ldp.html
author John Arwe
Mon, 08 Sep 2014 13:12:31 -0400
changeset 800 89d99b066aca
parent 775 abf21d123f9a
child 801 a4623989a4b9
permissions -rw-r--r--
Clarify Link context URIs, member creation media types, prep for other changes
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
     1
<!DOCTYPE html>
194
b6d66196a02d Fixed biblirefs, consistency items and moved editor todo into comments
sspeiche
parents: 192
diff changeset
     2
<!-- 
480
96f2d9c4a742 Updated LDPC DELETE language and cleanup todos
sspeiche
parents: 479
diff changeset
     3
	TODO: Search for them within this document.
96f2d9c4a742 Updated LDPC DELETE language and cleanup todos
sspeiche
parents: 479
diff changeset
     4
	TODO: Once companion documents (best practices, primer) have URLs, link to them.  Search on "companion".
495
559a77692da5 Fixed up some specref references
sspeiche
parents: 494
diff changeset
     5
	TODO: Add new "discovery of server capabilities" non-norm section
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
     6
    TODO: Consider adding Venn diagram for differences of LDPCs
194
b6d66196a02d Fixed biblirefs, consistency items and moved editor todo into comments
sspeiche
parents: 192
diff changeset
     7
 -->
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
     8
<html>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
     9
  <head>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    10
    <title>Linked Data Platform 1.0</title>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    11
    <meta http-equiv='Content-Type' content='text/html;charset=utf-8'/>
719
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    12
        <!-- Test coverage: The following allows the spec to be annotated with information
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    13
         from the test suite to help with understanding the coverage of each requirement. -->
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    14
    <link rel="stylesheet" type="text/css" media="all" href="coverage.css">
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    15
    <style type="text/css" media="print">
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    16
        .coverage {
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    17
            page-break-inside: avoid;
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    18
        }
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    19
    </style>
720
d189b4e804e2 Load JQuery over ssl
Steve Speicher <sspeiche@gmail.com>
parents: 719
diff changeset
    20
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
719
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    21
    <script src="coverage.js"></script>
e3d3c9068612 Added test coverage annotations
Steve Speicher <sspeiche@gmail.com>
parents: 662
diff changeset
    22
    
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    23
    <!-- 
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    24
      === NOTA BENE ===
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    25
      For the three scripts below, if your spec resides on dev.w3 you can check them
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    26
      out in the same tree and use relative links so that they'll work offline,
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    27
     -->
443
02e1a65a8776 Set maxTocLevel=2 properly with fix from respec
sspeiche
parents: 439
diff changeset
    28
    <script src='https://www.w3.org/Tools/respec/respec-w3c-common' class='remove' async></script> 
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    29
    <script class='remove'>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    30
      var respecConfig = {
522
b3fd53a7b048 Prepare for LC2
sspeiche
parents: 521
diff changeset
    31
          // specification status (e.g. ED, WD, LC, NOTE, etc.). If in doubt use ED.
655
4127dd3a8fea CR prep, gettings test suite URIs aligned
sspeiche
parents: 653
diff changeset
    32
          specStatus:           "CR",
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    33
          
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    34
          // the specification's short name, as in http://www.w3.org/TR/short-name/
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    35
          shortName:            "ldp",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    36
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    37
          // if your specification has a subtitle that goes below the main
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    38
          // formal title, define it here
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    39
          // subtitle   :  "an excellent document",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    40
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    41
          // if you wish the publication date to be other than today, set this
659
775deb8e635f CR prep, fixing pubrules checker problems
sspeiche
parents: 657
diff changeset
    42
          publishDate:  "2014-06-19",
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    43
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    44
          // if the specification's copyright date is a range of years, specify
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    45
          // the start date here:
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    46
          // copyrightStart: "2005"
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    47
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    48
          // if there is a previously published draft, uncomment this and set its YYYY-MM-DD date
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    49
          // and its maturity status
539
8ff6773d4daa Set publication status and history for post 2nd LC edits
sspeiche
parents: 527
diff changeset
    50
          previousPublishDate:  "2014-03-11",
274
8db905ebe0ba Basic preparation for edits unto LC draft
sspeiche
parents: 238
diff changeset
    51
          previousMaturity:  	"LC",
539
8ff6773d4daa Set publication status and history for post 2nd LC edits
sspeiche
parents: 527
diff changeset
    52
          previousURI: 			"http://www.w3.org/TR/2014/WD-ldp-20140311/",
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    53
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    54
          // if there a publicly available Editor's Draft, this is the link
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    55
          edDraftURI:           "http://www.w3.org/2012/ldp/hg/ldp.html",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    56
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    57
          // if this is a LCWD, uncomment and set the end of its review period
655
4127dd3a8fea CR prep, gettings test suite URIs aligned
sspeiche
parents: 653
diff changeset
    58
          //lcEnd: "2014-04-02",
4127dd3a8fea CR prep, gettings test suite URIs aligned
sspeiche
parents: 653
diff changeset
    59
          crEnd: "2014-07-17",
4127dd3a8fea CR prep, gettings test suite URIs aligned
sspeiche
parents: 653
diff changeset
    60
          
4127dd3a8fea CR prep, gettings test suite URIs aligned
sspeiche
parents: 653
diff changeset
    61
          testSuiteURI: "https://dvcs.w3.org/hg/ldpwg/raw-file/tip/tests/ldp-testsuite.html",
4127dd3a8fea CR prep, gettings test suite URIs aligned
sspeiche
parents: 653
diff changeset
    62
          implementationReportURI: "https://dvcs.w3.org/hg/ldpwg/raw-file/tip/tests/reports/ldp.html",
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
    63
          
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
    64
          // Only include h1 and h2 level
443
02e1a65a8776 Set maxTocLevel=2 properly with fix from respec
sspeiche
parents: 439
diff changeset
    65
          maxTocLevel: 2,
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    66
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    67
          // if you want to have extra CSS, append them to this list
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    68
          // it is recommended that the respec.css stylesheet be kept
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    69
          //extraCSS:             ["https://dvcs.w3.org/hg/ldpwg/css/respec.css"],
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    70
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    71
          // editors, add as many as you like
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    72
          // only "name" is required
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    73
          editors:  [
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    74
              { name: "Steve Speicher", url: "http://stevespeicher.blogspot.com",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    75
                company: "IBM Corporation", companyURL: "http://ibm.com/" },
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
    76
              { name: "John Arwe", url: "https://www.ibm.com/developerworks/mydeveloperworks/groups/service/html/allcommunities?userid=120000CAW7",
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
    77
                company: "IBM Corporation", companyURL: "http://ibm.com/" },
237
6871b9ac5339 Fixed various link checker bugs
sspeiche
parents: 235
diff changeset
    78
			  {name: "Ashok Malhotra", url: "mailto:ashok.malhotra@oracle.com",
99
Ashok Malhotra <Ashok.Malhotra@Oracle.com>
parents: 98
diff changeset
    79
			    company: "Oracle Corporation", companyURL: "http://www.oracle.com" },
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    80
          ],
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    81
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    82
          // authors, add as many as you like. 
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    83
          // This is optional, uncomment if you have authors as well as editors.
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    84
          // only "name" is required. Same format as editors.
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    85
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    86
          //authors:  [
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    87
          //    { name: "Your Name", url: "http://example.org/",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    88
          //      company: "Your Company", companyURL: "http://example.com/" },
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    89
          //],
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    90
          
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    91
          // name of the WG
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    92
          wg:           "Linked Data Platform Working Group",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    93
          
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    94
          // URI of the public WG page
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    95
          wgURI:        "http://www.w3.org/2012/ldp",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    96
          
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    97
          // name (without the @w3c.org) of the public mailing to which comments are due
234
992015a0d3cd Setting all LC status items for prep for publication
sspeiche
parents: 233
diff changeset
    98
          wgPublicList: "public-ldp-comments",
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
    99
          
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   100
          // URI of the patent status for this WG, for Rec-track documents
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   101
          // !!!! IMPORTANT !!!!
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   102
          // This is important for Rec-track documents, do not copy a patent URI from a random
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   103
          // document unless you know what you're doing. If in doubt ask your friendly neighbourhood
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   104
          // Team Contact.
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   105
          wgPatentURI:  "http://www.w3.org/2004/01/pp-impl/55082/status",
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   106
          doRDFa: "1.1",
386
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   107
			localBiblio:  {
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   108
				"RFC2817": {
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   109
					title:    "Upgrading to TLS Within HTTP/1.1"
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   110
				,   href:     "http://tools.ietf.org/html/rfc2817"
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   111
				,   authors:  [
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   112
						"R. Khare"
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   113
					,   "S. Lawrence"
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   114
					]
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   115
				,   status:   "Proposed Standard"
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   116
				,   publisher:  "IETF"
412
b5f309858d98 Resolve ACTION-113 Update spec to reflect 11/04 resolution to remove 303 and have client use first/next links to detect paging
John Arwe
parents: 410
diff changeset
   117
				},
497
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   118
				"LDP-PAGING": {
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   119
					title:    "Linked Data Platform Paging"
525
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   120
				,   href:     "https://dvcs.w3.org/hg/ldpwg/raw-file/default/ldp-paging.html"
497
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   121
				,   authors:  [
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   122
						"S. Speicher", "J. Arwe", "A. Malhotra"
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   123
					]
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   124
				,   status:   "Editor's Working Draft"
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   125
				,   publisher:  "W3C"
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   126
				},
550
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   127
				"POWDER": {
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   128
					title:    "Protocol for Web Description Resources (POWDER): Description Resources"
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   129
				,   href:     "http://www.w3.org/TR/2009/REC-powder-dr-20090901/"
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   130
				,   authors:  [
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   131
						"Phil Archer", "Kevin Smith", "Andrea Perego"
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   132
					]
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   133
				,   status:   "W3C Recommendation"
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   134
				,   publisher:  "W3C"
58d6a84e5f10 add in powder's describedby content
John Arwe
parents: 549
diff changeset
   135
				},
634
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   136
				"Accept-Post": {
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   137
					title:    "The Accept-Post HTTP Header"
660
a504108d0b51 CR prep, fixing pubrules checker problems- take2
sspeiche
parents: 659
diff changeset
   138
				,   href:     "http://tools.ietf.org/html/draft-wilde-accept-post"
634
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   139
				,   authors:  [
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   140
						"J. Arwe", "S. Speicher", "E. Wilde"
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   141
					]
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   142
				,   status:   "Internet Draft"
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   143
				,   publisher:  "IETF"
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   144
				},
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   145
				"LDP-Tests": {
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   146
					title:    "Linked Data Platform 1.0 Test Cases"
659
775deb8e635f CR prep, fixing pubrules checker problems
sspeiche
parents: 657
diff changeset
   147
				,   href:     "https://dvcs.w3.org/hg/ldpwg/raw-file/tip/tests/ldp-testsuite.html"
634
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   148
				,   authors:  [
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   149
						"R. Garcia-Castro", "F. Serena"
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   150
					]
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   151
				,   status:   "Editor's Draft of Working Group Note"
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   152
				,   publisher:  "W3C"
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   153
				},
386
b7c514f96add Resolve ACTION-108 move restatements of HTTP et al. out of normative sections
John Arwe
parents: 385
diff changeset
   154
			},
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   155
      };
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   156
    </script>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   157
    <style type="text/css">
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   158
    	div.rule {padding-top: 1em;}
124
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   159
    	div.ldp-issue-open {
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   160
	    	border-color: #E05252;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   161
			background: #FBE9E9;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   162
			padding: 0.5em;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   163
			margin: 1em 0;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   164
			position: relative;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   165
			clear: both;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   166
			border-left-width: .5em;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   167
			border-left-style: solid;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   168
    	}
124
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   169
    	div.ldp-issue-pending {
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   170
	    	border-color: #FAF602;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   171
			background: #F7F6BC;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   172
			padding: 0.5em;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   173
			margin: 1em 0;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   174
			position: relative;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   175
			clear: both;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   176
			border-left-width: .5em;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   177
			border-left-style: solid;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   178
    	}
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   179
    	div.ldp-issue-closed {
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   180
	    	border-color: #009900;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   181
			background: #BCF7CF;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   182
			padding: 0.5em;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   183
			margin: 1em 0;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   184
			position: relative;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   185
			clear: both;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   186
			border-left-width: .5em;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   187
			border-left-style: solid;
6f1d7304f03f create different styles to differentiate issues based on their status: open, pending, closed
Arnaud Le Hors <lehors@us.ibm.com>
parents: 122
diff changeset
   188
    	}
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   189
    	div.ldp-issue-title {
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   190
    	    color: #E05252;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   191
    	    padding-right: 1em;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   192
            min-width: 7.5em;
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   193
    	}
184
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   194
		.atrisk {
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   195
			padding:    1em;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   196
			margin: 1em 0em 0em;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   197
			border: 1px solid #f00;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   198
			background: #ffc;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   199
		}
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   200
		.atrisktext {
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   201
			/* content:    "Feature At Risk"; */
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   202
			display:    block;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   203
			width:  150px;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   204
			margin: -1.5em 0 0.5em 0;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   205
			font-weight:    bold;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   206
			border: 1px solid #f00;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   207
			background: #fff;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   208
			padding:    3px 1em;
30f00f94855a copy at-risk markup from turtle spec
John Arwe
parents: 183
diff changeset
   209
		}
437
631936d65086 Fixed formating with >h2 formatting
sspeiche
parents: 436
diff changeset
   210
		.normal { 
631936d65086 Fixed formating with >h2 formatting
sspeiche
parents: 436
diff changeset
   211
			font-weight: normal;
631936d65086 Fixed formating with >h2 formatting
sspeiche
parents: 436
diff changeset
   212
			font: normal 100% sans-serif;
631936d65086 Fixed formating with >h2 formatting
sspeiche
parents: 436
diff changeset
   213
		}
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   214
		.indented { 
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   215
			margin-left: +3em;
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   216
		}
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   217
		tr:nth-of-type(odd),.oddrow { 
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   218
			background:#F2F2F2; /* light grey, just enough to differentiate from white */
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   219
		}
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   220
		td { 
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   221
			padding:0 +1ex 0 +1ex; /* add a bit of space from rule/edge to text */
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   222
		}
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   223
		
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   224
    </style>
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   225
    <style type="text/css" media="all">
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   226
    	code {
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   227
    	    font-weight:bold;
120
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   228
			font-size:larger;
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   229
    	}
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   230
		 /* ReSpec uses color ff4500 for code elements, which does not print well on some black & white printers
120
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   231
		    and is a little hard to read for some folks even on-line. 
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   232
			The default code font size was also somewhat too small/hard to read.
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   233
		*/
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   234
    </style>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   235
  </head>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   236
<body>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   237
<section id='abstract'>
215
da72115eb40b Various updates per review of Raul
sspeiche
parents: 213
diff changeset
   238
This document describes a set of best practices and simple approach for a read-write Linked Data architecture, based on
78
539b6b098ee8 Comments received from David Woods: abstract, paging informative (part 1)
sspeiche
parents: 77
diff changeset
   239
HTTP access to web resources that describe their state using the <abbr title="Resource Description Framework">RDF</abbr>
539b6b098ee8 Comments received from David Woods: abstract, paging informative (part 1)
sspeiche
parents: 77
diff changeset
   240
data model.
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   241
</section>
525
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   242
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   243
 <section id='sotd'>
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   244
   <p>
657
ee78ccdc54ec Updated status of this doc for CR
sspeiche
parents: 655
diff changeset
   245
   	 This is the Candidate Recommendation document where the Working Group has addressed all
ee78ccdc54ec Updated status of this doc for CR
sspeiche
parents: 655
diff changeset
   246
   	 raised issues and seeks to gather implementation feedback.  For changes since last publication, see <a href="#history" class="sectionRef"></a>. 
634
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   247
	 A test suite is available at [[LDP-Tests]].
525
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   248
   </p>
634
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   249
   <p>The following features are At Risk:</p>
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   250
   <ol>
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   251
   <li>The <a href="#header-accept-post">HTTP Accept-Post header</a>, 
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   252
		that allows clients to determine which media types a server accepts on POST requests.
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   253
	</li>
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   254
   <li>The requirement that LDP clients be <a href="#atrisk-paging">paging-aware</a>.
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   255
	</li>
1aaf16a1b67e address comments from CR transition call
John Arwe
parents: 601
diff changeset
   256
   </ol>
525
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   257
 </section>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   258
 
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   259
<section class="informative" id="intro">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   260
<h1>Introduction</h1>
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   261
	<p>This specification describes the use
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   262
	of HTTP for accessing, updating, creating and deleting resources from
486
974b4886835b change all unicode 00A0 (non-breaking space) to blank (0020)
John Arwe
parents: 485
diff changeset
   263
	servers that expose their resources as Linked Data.  It provides clarifications
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   264
	and extensions of the rules of Linked Data [[LINKED-DATA]]:</p>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   265
	<ol>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   266
		<li>Use URIs as names for things</li>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   267
		<li>Use HTTP URIs so that people can look up those names</li>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   268
		<li>When someone looks up a URI, provide useful information, using the standards
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   269
			(RDF*, <abbr title="SPARQL Protocol and RDF Query Language">SPARQL</abbr>)
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   270
		</li>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   271
		<li>Include links to other URIs, so that they can discover more things</li>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   272
	</ol>
415
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   273
	<p>This specification discusses standard HTTP and RDF techniques  
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   274
	used when constructing clients and servers that 
395
0408e1e5bbf8 ACTION-105: Update spec to reflect 9/30 resolution moving Paging links to HTTP headers (partial: does not include sort criteria changes yet)
John Arwe
parents: 393
diff changeset
   275
	create, read, and write <a title="Linked Data Platform Resource">Linked Data Platform Resources</a>.
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   276
	A companion document discusses best practices that you 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   277
	should use, and anti-patterns you should avoid, when constructing these clients and servers.
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   278
	</p> 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   279
	<p>This specification defines a special type of <a>Linked Data Platform Resource</a>: a 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   280
	<a title="Linked Data Platform Container">Container</a>.  Containers are very useful 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   281
	in building application models involving collections of resources, often homogeneous ones. 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   282
	For example, universities offer a collection of classes 
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   283
	and a collection of faculty members, each faculty member teaches a collection of courses, and so on. 
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   284
	This specification discusses how to work with containers.  Resources can be added to containers  
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   285
	using standard HTTP operations like 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   286
	POST (see <a href="#ldpc-HTTP_POST" class="sectionRef"></a>).</p>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   287
	<p>The intention of this specification is to enable additional rules and layered groupings of rules as 
204
04f24555e6aa Added wording re. model to Introduction
Ashok Malhotra <Ashok.Malhotra@Oracle.com>
parents: 202
diff changeset
   288
	additional specifications.  The scope is intentionally narrow to provide a set of key rules for 
04f24555e6aa Added wording re. model to Introduction
Ashok Malhotra <Ashok.Malhotra@Oracle.com>
parents: 202
diff changeset
   289
	reading and writing Linked Data that most, if not all, other specifications will depend upon and 
208
0cd38b1b5d41 Various editorial cleanups in intro
sspeiche
parents: 207
diff changeset
   290
	implementations will support.</p>
497
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   291
	<p>This specification provides some approaches to deal with large resources.  An extension to this specification
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   292
	provides the ability to break large resource representations into multiple paged responses [[LDP-PAGING]].</p>
439
28beff0a4f89 Updated reference to LDP BPG editor's draft and added ref to LDP-UCR
sspeiche
parents: 438
diff changeset
   293
	<p>For context and background, it could be useful to read <a href="#bib-LDP-UCR">Linked Data Platform Use Case and Requirements</a> [[LDP-UCR]] 
28beff0a4f89 Updated reference to LDP BPG editor's draft and added ref to LDP-UCR
sspeiche
parents: 438
diff changeset
   294
	and <a href="#base-specs" class="sectionRef"></a>.</p>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   295
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   296
	
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   297
<section id="terms">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   298
<h1>Terminology</h1>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   299
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   300
<p>Terminology is based on W3C's Architecture of the World Wide Web [[!WEBARCH]] and 
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   301
	Hyper-text Transfer Protocol ([[!RFC7230]], [[!RFC7231]], [[!RFC7232]]).
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   302
</p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   303
  <dl class="glossary">
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   304
	<dt>Link</dt>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   305
	<dd>A relationship between two resources when one resource (representation) refers to the other resource by means
496
94420c5678ae Reference cleanup and tweak LDP-RS term
sspeiche
parents: 495
diff changeset
   306
		of a URI [[WEBARCH]].
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   307
		<p></p></dd>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   308
							
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   309
	<dt>Linked Data</dt>
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   310
	<dd>As defined by Tim Berners-Lee [[LINKED-DATA]].<p></p></dd>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   311
	
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   312
	<dt>Client</dt>
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   313
	<dd>A program that establishes connections for the purpose of sending one or more HTTP requests [[!RFC7230]].<p></p></dd>
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   314
	
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   315
	<dt>Server</dt>
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   316
	<dd>A program that accepts connections in order to service HTTP requests by sending HTTP responses. 
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   317
		<p>
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   318
		The terms "client" and "server" refer only to the roles that these programs perform for a particular connection.  
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   319
		The same program might act as a client on some connections and a server on others.
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   320
		</p>
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   321
		<p>
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   322
		HTTP enables the use of intermediaries to satisfy requests through a
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   323
		chain of connections.  There are three common forms of HTTP
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   324
		intermediary: proxy, gateway, and tunnel.  In some cases, a single
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   325
		intermediary might act as an origin server, proxy, gateway, or
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   326
		tunnel, switching behavior based on the nature of each request.
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   327
		[[!RFC7230]]. 
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   328
		</p>
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   329
	</dd>
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   330
	
331
2e0bbaef0442 fixed a few minor respec errors
sspeiche
parents: 325
diff changeset
   331
	<dt><dfn>Linked Data Platform Resource</dfn> (<abbr title="Linked Data Platform Resource">LDPR</abbr>)</dt>
461
64c0ca32c9e6 Cleanup from Action-123 add LDPR-RR and LDPR-BR
John Arwe
parents: 460
diff changeset
   332
	<dd>A HTTP resource whose state is represented in any way that conforms to the simple lifecycle
215
da72115eb40b Various updates per review of Raul
sspeiche
parents: 213
diff changeset
   333
		patterns and conventions in <a href="#ldpr" class="sectionRef"></a>.<p></p></dd>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   334
		
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   335
	<dt><dfn>Linked Data Platform RDF Source</dfn> (<abbr title="Linked Data Platform RDF Source">LDP-RS</abbr>)</dt>
496
94420c5678ae Reference cleanup and tweak LDP-RS term
sspeiche
parents: 495
diff changeset
   336
	<dd>An <a title="Linked Data Platform Resource">LDPR</a> whose state is fully represented in RDF, corresponding to
549
084cb71ce842 removal of named graphs, per today's WG resolution
John Arwe
parents: 548
diff changeset
   337
	an RDF graph. See also the term
495
559a77692da5 Fixed up some specref references
sspeiche
parents: 494
diff changeset
   338
	<a href="http://www.w3.org/TR/rdf11-concepts/#dfn-rdf-source">RDF Source</a> from [[!rdf11-concepts]].
448
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   339
	<p></p></dd>	
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   340
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   341
	<dt><dfn>Linked Data Platform Non-RDF Source</dfn> (<abbr title="Linked Data Platform Non-RDF Source">LDP-NR</abbr>)</dt>
514
7e329a35960e A vs an fun
sspeiche
parents: 513
diff changeset
   342
	<dd>An <a title="Linked Data Platform Resource">LDPR</a> whose state is <em>not</em> represented in RDF.
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   343
	For example, these can be binary or text documents that do not have useful RDF representations.
448
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   344
	<p></p></dd>
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   345
		
331
2e0bbaef0442 fixed a few minor respec errors
sspeiche
parents: 325
diff changeset
   346
	<dt><dfn>Linked Data Platform Container</dfn> (<abbr title="Linked Data Platform Container">LDPC</abbr>)</dt>
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   347
	<dd>A LDP-RS representing a collection of linked
496
94420c5678ae Reference cleanup and tweak LDP-RS term
sspeiche
parents: 495
diff changeset
   348
	documents (<a href="http://www.w3.org/TR/rdf11-concepts/#dfn-rdf-document">RDF Document</a> [[!rdf11-concepts]] or information resources [[!WEBARCH]])
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   349
	that responds to client requests for creation, modification, and/or enumeration of its linked members and documents, 
461
64c0ca32c9e6 Cleanup from Action-123 add LDPR-RR and LDPR-BR
John Arwe
parents: 460
diff changeset
   350
	and that conforms to the simple lifecycle
64c0ca32c9e6 Cleanup from Action-123 add LDPR-RR and LDPR-BR
John Arwe
parents: 460
diff changeset
   351
	patterns and conventions in <a href="#ldpc" class="sectionRef"></a>.
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   352
	<p></p></dd>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   353
	
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   354
	<dt><dfn>Linked Data Platform Basic Container</dfn> (<abbr title="Linked Data Platform Basic Container">LDP-BC</abbr>)</dt>
514
7e329a35960e A vs an fun
sspeiche
parents: 513
diff changeset
   355
	<dd>An <a title="Linked Data Platform Container">LDPC</a> that defines a simple link to
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   356
	its <a title="Containment">contained</a> documents (information resources) [[!WEBARCH]].
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   357
	<p></p></dd>
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   358
	
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   359
	<dt><dfn>Linked Data Platform Direct Container</dfn> (<abbr title="Linked Data Platform Direct Container">LDP-DC</abbr>)</dt>
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   360
	<dd>An <a title="Linked Data Platform Container">LDPC</a> that adds the concept of <a title="Membership">membership</a>, allowing the flexibility of choosing what form its 
461
64c0ca32c9e6 Cleanup from Action-123 add LDPR-RR and LDPR-BR
John Arwe
parents: 460
diff changeset
   361
	<a title="Membership triples">membership triples</a> take, and allows <a title="Membership">members</a> to be 
496
94420c5678ae Reference cleanup and tweak LDP-RS term
sspeiche
parents: 495
diff changeset
   362
	any resources [[!WEBARCH]], not only documents.
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   363
	<p></p></dd>
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   364
	
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   365
	<dt><dfn>Linked Data Platform Indirect Container</dfn> (<abbr title="Linked Data Platform Indirect Container">LDP-IC</abbr>)</dt>
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   366
	<dd>An <a title="Linked Data Platform Container">LDPC</a> similar to a <a title="Linked Data Platform Direct Container">LDP-DC</a>
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   367
	that is also capable of having <a title="Membership">members</a> whose URIs are based
461
64c0ca32c9e6 Cleanup from Action-123 add LDPR-RR and LDPR-BR
John Arwe
parents: 460
diff changeset
   368
	on the content of its <a title="Containment">contained</a> documents rather than the URIs assigned to those documents.
451
f68e4a59fba1 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 450
diff changeset
   369
	<p></p></dd>
491
16d872a712b6 Adopted container hierarchy and merged Indirect Container into Container
sspeiche
parents: 489
diff changeset
   370
		 
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   371
	<dt><dfn>Membership</dfn></dt>
601
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   372
	<dd>The relationship linking an LDPC and its member LDPRs, 
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   373
	which can be different resources than its <a title="Containment">contained</a> documents.  
601
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   374
	The LDPC often assists with managing the membership triples, whether or not the LDPC's
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   375
	URI occurs in them.
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   376
	<p></p></dd>
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
   377
120
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   378
	<dt><dfn>Membership triples</dfn></dt>
601
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   379
	<dd>A set of triples that lists an LDPC's members.
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   380
		A LDPC's membership triples all have one of the following patterns:
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   381
		<table class="indented">
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   382
		<tr>
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   383
		<td style="background:#DDDDDD"> <var>membership-constant-URI</var> </td>
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   384
		<td style="background:#FFFFFF"> <var>membership-predicate</var> </td>
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   385
		<td style="background:#CCFFFF"> <var>member-derived-URI</var> </td>
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   386
		</tr>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   387
		<tr>
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   388
		<td style="background:#CCFFFF"> <var>member-derived-URI</var> </td>
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   389
		<td style="background:#FFFFFF"> <var>membership-predicate</var> </td>
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   390
		<td style="background:#DDDDDD"> <var>membership-constant-URI</var> </td>
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   391
		</tr>
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   392
		</table>
415
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   393
		The difference between the two is simply which position member-derived-URI occupies, which is usually
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   394
		driven by the choice of <var>membership-predicate</var>.  Most predicates have a natural forward direction
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   395
		inherent in their name, and existing vocabularies contain useful examples that read naturally in
453
a70c321daf12 ACTION-120 (Part 3) Added ldp:member
sspeiche
parents: 452
diff changeset
   396
		each direction.  <code>ldp:member</code> and <code>dcterms:isPartOf</code> are representative examples.
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   397
		<p>
503
d13ec755f468 Adjusted term membership triples and membership predicate
sspeiche
parents: 502
diff changeset
   398
		Each linked container exposes properties (see <a href="#ldpc-general" class="sectionRef"></a>)
415
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   399
		that allow clients to determine which pattern it
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   400
		uses, what the actual <var>membership-predicate</var> and <var>membership-constant-URI</var> values are, 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   401
		and (for containers that allow the creation of new members) what value is used
415
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   402
		for the <var>member-derived-URI</var> based on the client's input to the 
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   403
		creation process.</p>
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   404
	<p></p></dd>
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   405
	
120
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   406
	<dt><dfn>Membership predicate</dfn></dt>
601
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   407
	<dd>The predicate of all an LDPC's <a title="Membership triples">membership triples</a>.
120
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   408
	<p></p></dd>
edf269bcce8a Issue-64 change ?non-member-properties into Link header with extension relation type
John Arwe
parents: 116
diff changeset
   409
	
465
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   410
	<dt><dfn>Containment</dfn></dt>
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   411
	<dd>The relationship binding an LDPC to LDPRs whose lifecycle it controls and is aware of.  The
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   412
	lifecycle of the contained LDPR is limited by the lifecycle of the containing LDPC;
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   413
	that is, a contained LDPR cannot be created (through LDP-defined means) before its containing LDPC exists.
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   414
	<p></p></dd>
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   415
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   416
	<dt><dfn>Containment triples</dfn></dt>
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   417
	<dd>
561
ceeb37eb8f71 Clarify definitions of membership and containment triples to address Martin Nally comment
John Arwe
parents: 559
diff changeset
   418
	A set of triples, maintained by the LDPC, that lists documents created by the LDPC but not yet deleted.
465
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   419
	These triples <strong>always</strong> have the form: <var>( LDPC URI, ldp:contains , document-URI )</var>.
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   420
	<p></p></dd>
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
   421
554
5a4fe2b38a2a rename empty container triples to minimal container triples
John Arwe
parents: 553
diff changeset
   422
	<dt><dfn>Minimal-container triples</dfn></dt>
474
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
   423
	<dd>
601
5fc4b4b9efc2 LDP: RS>LDPC in membership definitions; paging: incorporate todo list in prolog and fix respec messages
John Arwe
parents: 600
diff changeset
   424
	The portion of an LDPC's triples that would be present when the container is empty.  Currently, this definition
561
ceeb37eb8f71 Clarify definitions of membership and containment triples to address Martin Nally comment
John Arwe
parents: 559
diff changeset
   425
	is equivalent to all the LDPC's triples minus its containment triples, 
ceeb37eb8f71 Clarify definitions of membership and containment triples to address Martin Nally comment
John Arwe
parents: 559
diff changeset
   426
	and minus its membership triples (if either are considered part of its state), 
ceeb37eb8f71 Clarify definitions of membership and containment triples to address Martin Nally comment
John Arwe
parents: 559
diff changeset
   427
	but if future versions of LDP define additional classes of triples then this definition
474
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
   428
	would expand to subtract out those classes as well.
412
b5f309858d98 Resolve ACTION-113 Update spec to reflect 11/04 resolution to remove 303 and have client use first/next links to detect paging
John Arwe
parents: 410
diff changeset
   429
	<p></p></dd>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   430
  </dl>
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   431
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   432
<section id="conventions">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   433
<h2>Conventions Used in This Document</h2>
512
28fb37e65361 Added namespace definition
sspeiche
parents: 511
diff changeset
   434
	<p>The namespace for LDP is <code>http://www.w3.org/ns/ldp#</code>.</p>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   435
	<p>Sample resource representations are provided in <code>text/turtle</code>
495
559a77692da5 Fixed up some specref references
sspeiche
parents: 494
diff changeset
   436
		format [[turtle]].</p>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   437
	<p>Commonly used namespace prefixes:</p>
93
598be81efe5f Expanded on wording for 4.3 to be more consistent
sspeiche
parents: 92
diff changeset
   438
	<pre style="word-wrap: break-word; white-space: pre-wrap;">	@prefix dcterms: &lt;http://purl.org/dc/terms/&gt;.
522
b3fd53a7b048 Prepare for LC2
sspeiche
parents: 521
diff changeset
   439
	@prefix foaf:    &lt;http://xmlns.com/foaf/0.1/&gt;.
486
974b4886835b change all unicode 00A0 (non-breaking space) to blank (0020)
John Arwe
parents: 485
diff changeset
   440
	@prefix rdf:     &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;.
974b4886835b change all unicode 00A0 (non-breaking space) to blank (0020)
John Arwe
parents: 485
diff changeset
   441
	@prefix ldp:     &lt;http://www.w3.org/ns/ldp#&gt;.
974b4886835b change all unicode 00A0 (non-breaking space) to blank (0020)
John Arwe
parents: 485
diff changeset
   442
	@prefix xsd:     &lt;http://www.w3.org/2001/XMLSchema#&gt;.</pre>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   443
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   444
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   445
    
71
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   446
<section id='conformance'>
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   447
72
73a5766e4794 ISSUE-29 - Use relative URIs in examples
sspeiche
parents: 71
diff changeset
   448
<p>The status of the sections of Linked Data Platform 1.0 (this document) is as follows:</p>
71
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   449
<ul>
463
ae72388dbb82 start action-127 paging use of [23]xx response code; also changed 'informative' to 'non-normative' so sandro is happy[ier]
John Arwe
parents: 462
diff changeset
   450
  <li>1. Introduction: <b>non-normative</b></li>
222
1db581afd1ec Added informative section 4.1 , therefore shifting all sections by one 4.1->4.2, etc
sspeiche
parents: 221
diff changeset
   451
  <li>2. Terminology: <b>normative</b></li>
71
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   452
  <li>3. Conformance: <b>normative</b></li>
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   453
  <li>4. Linked Data Platform Resources: <b>normative</b></li>
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   454
  <li>5. Linked Data Platform Containers: <b>normative</b></li>
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   455
  <li>6. Notable information from normative references: <b>non-normative</b></li>
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   456
  <li>7. HTTP Header Definitions: <b>normative</b></li>
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   457
  <li>8. Security Considerations: <b>non-normative</b></li>
463
ae72388dbb82 start action-127 paging use of [23]xx response code; also changed 'informative' to 'non-normative' so sandro is happy[ier]
John Arwe
parents: 462
diff changeset
   458
  <li>A. Acknowledgements: <b>non-normative</b></li> 
525
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   459
  <li>B. Change History: <b>non-normative</b></li>
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   460
  <li>C.1 Normative references: <b>normative</b></li>
238e04f1e4f1 LC prep, custom SOTD and history sections
sspeiche
parents: 522
diff changeset
   461
  <li>C.2 Non-normative references: <b>non-normative</b></li>
71
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   462
</ul>
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   463
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   464
<p>A conforming <b><dfn>LDP client</dfn></b> is a conforming HTTP client [[!RFC7230]] that follows the rules defined by LDP in
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   465
<a href="#ldpr" class="sectionRef"></a> and also
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   466
<a href="#ldpc" class="sectionRef"></a>.
372
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   467
</p>
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   468
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   469
<p>A conforming <b><dfn>LDP server</dfn></b> is a conforming HTTP server [[!RFC7230]] that follows the rules defined by LDP in 
372
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   470
<a href="#ldpr" class="sectionRef"></a> when it is serving LDPRs, and also
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   471
<a href="#ldpc" class="sectionRef"></a> when it is serving LDPCs.
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   472
LDP does not constrain its behavior when serving other HTTP resources.
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   473
</p>
71
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   474
</section>
5a2794d3ab13 ISSUE-31 Added a more complete conformance section, motived by SPARQL 1.1
sspeiche
parents: 69
diff changeset
   475
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   476
<section id="ldpr">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   477
<h1>Linked Data Platform Resources</h1>
222
1db581afd1ec Added informative section 4.1 , therefore shifting all sections by one 4.1->4.2, etc
sspeiche
parents: 221
diff changeset
   478
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   479
<section class="informative" id="ldpr-informative">
466
7b840138bdf1 editorial cleanup; substantive hits to ldpc delete, remove reqt for direct containers to materialize insertedContentRelation (since it's value is fixed)
John Arwe
parents: 465
diff changeset
   480
<h2>Introduction</h2>
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   481
	<p>Linked Data Platform Resources (<dfn><abbr title="Linked Data Platform Resources">LDPRs</abbr></dfn>) are HTTP resources
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   482
		that conform to the simple patterns and conventions in this section.
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   483
		HTTP requests to access, modify, create or delete LDPRs are accepted
372
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   484
		and processed by <a title="LDP server">LDP servers</a>. Most LDPRs are domain-specific resources
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   485
		that contain data for an entity in some domain, which could be
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   486
		commercial, governmental, scientific, religious, or other.</p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   487
	<p>Some of the rules defined in this document provide
33
3c8c101f3f97 2012-12-28 - Fixed Typos. Separated some compound rules like 4.1.5. Rewording for clarity: 4.1.10,
John Arwe <johnarwe@us.ibm.com>
parents: 21
diff changeset
   488
		clarification and refinement of the base Linked Data rules [[LINKED-DATA]];
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   489
		others address additional needs.</p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   490
	<p>The rules for Linked Data Platform Resources address basic
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   491
		questions such as:</p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   492
	<ul>
231
38d1a7faf1c4 Various editorial comments from PA
sspeiche
parents: 230
diff changeset
   493
		<li>What resource representations should be used?</li>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   494
		<li>How is optimistic collision detection handled for updates?</li>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   495
		<li>What should client expectations be for changes to linked-to resources,
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   496
				such as type changes?</li>
547
d34ef0884d9e Fixed LC-2840 clarity on burden of constraint
sspeiche
parents: 542
diff changeset
   497
		<li>How can the server make it easy for the client to create resources?</li>
464
77fd28c9eb94 action-127 use tag [23]xx status code for paging; also change paging to be for LDP-RRs as a consequence of issue-89 vocab changes
John Arwe
parents: 463
diff changeset
   498
		<li>How	do I GET the representation of a large resource broken up into pages?</li>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   499
	</ul>
463
ae72388dbb82 start action-127 paging use of [23]xx response code; also changed 'informative' to 'non-normative' so sandro is happy[ier]
John Arwe
parents: 462
diff changeset
   500
	<p>Additional non-normative guidance is available in the <a
439
28beff0a4f89 Updated reference to LDP BPG editor's draft and added ref to LDP-UCR
sspeiche
parents: 438
diff changeset
   501
			href="https://dvcs.w3.org/hg/ldpwg/raw-file/default/ldp-bp/ldp-bp.html"
28beff0a4f89 Updated reference to LDP BPG editor's draft and added ref to LDP-UCR
sspeiche
parents: 438
diff changeset
   502
			class="external"
28beff0a4f89 Updated reference to LDP BPG editor's draft and added ref to LDP-UCR
sspeiche
parents: 438
diff changeset
   503
			title="LDP Best Practices and Guidelines"
28beff0a4f89 Updated reference to LDP BPG editor's draft and added ref to LDP-UCR
sspeiche
parents: 438
diff changeset
   504
			rel="nofollow">LDP Best Practices and Guidelines editor's draft</a> that addresses
37
3e92cccfe6a3 edits to 4., 4.1.2, 4.1.6, http method support (aside from GET on LDPRs, and HEAD, HTTP governs), 5.2.1 clarify, 5.3.2/5.3.3 allow 3xx
John Arwe <johnarwe@us.ibm.com>
parents: 33
diff changeset
   505
		questions such as:</p>
3e92cccfe6a3 edits to 4., 4.1.2, 4.1.6, http method support (aside from GET on LDPRs, and HEAD, HTTP governs), 5.2.1 clarify, 5.3.2/5.3.3 allow 3xx
John Arwe <johnarwe@us.ibm.com>
parents: 33
diff changeset
   506
	<ul>
3e92cccfe6a3 edits to 4., 4.1.2, 4.1.6, http method support (aside from GET on LDPRs, and HEAD, HTTP governs), 5.2.1 clarify, 5.3.2/5.3.3 allow 3xx
John Arwe <johnarwe@us.ibm.com>
parents: 33
diff changeset
   507
		<li>What literal value types should be used?</li>
3e92cccfe6a3 edits to 4., 4.1.2, 4.1.6, http method support (aside from GET on LDPRs, and HEAD, HTTP governs), 5.2.1 clarify, 5.3.2/5.3.3 allow 3xx
John Arwe <johnarwe@us.ibm.com>
parents: 33
diff changeset
   508
		<li>Are there some typical vocabularies that should be reused?</li>
3e92cccfe6a3 edits to 4., 4.1.2, 4.1.6, http method support (aside from GET on LDPRs, and HEAD, HTTP governs), 5.2.1 clarify, 5.3.2/5.3.3 allow 3xx
John Arwe <johnarwe@us.ibm.com>
parents: 33
diff changeset
   509
	</ul>
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   510
	<p>The following sections define the conformance rules for LDP servers when serving LDPRs.
497
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   511
	Companion non-normative documents describe additional guidelines for use when interacting with LDPRs. 
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   512
	</p>
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   513
	<p>LDP-RS's representations may be too big, one strategy is to break up the response representation
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   514
	into client consumable chunks called pages. A separate LDP specification outlines the conformance
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   515
	rules around pagination [[LDP-PAGING]].
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   516
	</p>
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   517
	<p>A LDP server can manage two kinds of <a title="Linked Data Platform Resources">LDPRs</a>, those resources whose state 
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   518
	is represented using RDF (LDP-RS) and those using other formats (LDP-NR).  LDP-RSs have the unique
461
64c0ca32c9e6 Cleanup from Action-123 add LDPR-RR and LDPR-BR
John Arwe
parents: 460
diff changeset
   519
	quality that their representation is based on RDF, which addresses a number of use cases from web metadata, open data 
496
94420c5678ae Reference cleanup and tweak LDP-RS term
sspeiche
parents: 495
diff changeset
   520
	models, machine processable information, and automated processing by software agents [[!rdf11-concepts]].  LDP-NRs are almost anything
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   521
	on the Web today: images, HTML pages, word processing documents, spreadsheets, etc. and LDP-RSs hold 
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   522
	metadata associated with LDP-NRs in some cases.
448
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   523
	</p>
451
f68e4a59fba1 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 450
diff changeset
   524
    <figure id="fig-ldpr-types">
448
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   525
        <img src="images/ldpr1.png" alt="Sample separation of Linked Data Platform Resource" />
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   526
        <figcaption>Samples of different types of LDPRs</figcaption>
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   527
    </figure>
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   528
    <p>The LDP-NRs and LDP-RSs are simply sub-types of LDPRs, as illustrated in <a href="#fig-ldpr-class"></a>.</p>  
448
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   529
    <figure id="fig-ldpr-class">
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   530
       <img src="images/ldpr2.png" alt="Class Diagram of Linked Data Platform Resource" />
491
16d872a712b6 Adopted container hierarchy and merged Indirect Container into Container
sspeiche
parents: 489
diff changeset
   531
       <figcaption>Class relationship of types of Linked Data Platform Resources</figcaption>
448
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   532
     </figure>
72e366f1195f ACTION-123 Added concepts of LDP-RDF-Resource and LDP-Binary-Resource
sspeiche
parents: 447
diff changeset
   533
	
222
1db581afd1ec Added informative section 4.1 , therefore shifting all sections by one 4.1->4.2, etc
sspeiche
parents: 221
diff changeset
   534
</section>
1db581afd1ec Added informative section 4.1 , therefore shifting all sections by one 4.1->4.2, etc
sspeiche
parents: 221
diff changeset
   535
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   536
<section id="ldpr-resource">
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   537
<h2>Resource</h2>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   538
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   539
<section id="ldpr-general">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   540
<h2>General</h2>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   541
		
637
87b108186dd5 clean up lingering 2616 references, adjust accept-post BNF for bis changes
John Arwe
parents: 636
diff changeset
   542
	<section id="ldpr-gen-http"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST at least be HTTP/1.1 conformant servers [[!RFC7230]].
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   543
	</h2></section><!-- Was 4.2.1 / #ldpr-4_2_1 -->
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   544
	
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   545
	<section id="ldpr-gen-binary"><h2 class="normal"><a title="LDP server">LDP servers</a> MAY host a mixture of <a title="Linked Data Platform RDF Source">LDP-RSs</a>
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   546
	and <a title="Linked Data Platform Non-RDF Source">LDP-NRs</a>. For example, it
372
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   547
		is common for <a title="LDP server">LDP servers</a> to need to host binary or text resources
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   548
		that do not have useful RDF representations.</h2></section><!-- Was 4.2.3 / #ldpr-4_2_3 -->
69
0f9825dea52b Updating some simple formatting, reorganizing open issues and todos
sspeiche
parents: 68
diff changeset
   549
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   550
	<section id="ldpr-gen-etags"><h2 class="normal"><a title="LDP server">LDP server</a> responses MUST use entity tags (either 
579
fc520a8e75eb Clarify MUST etags on responses with representations and HEAD
sspeiche
parents: 566
diff changeset
   551
		weak or strong ones) as response <code>ETag</code> header values, for responses that contain resource representations or
580
d17c3d23800e Clarify MUST etags on responses with representations and HEAD
sspeiche
parents: 579
diff changeset
   552
		successful responses to HTTP <code>HEAD</code> requests.
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   553
	</h2></section><!-- Was 4.2.8 / #ldpr-4_2_8 -->
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   554
	
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   555
	<section id="ldpr-gen-linktypehdr"><h2 class="normal"><a title="LDP server">LDP servers</a>
434
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   556
		exposing LDPRs 
149
3f5f825f1155 issue-57 How can a client determine that it is in communication with an LDP server?
John Arwe
parents: 134
diff changeset
   557
		MUST advertise their LDP support by exposing a HTTP <code>Link</code> header
454
4a28a15ee8fd ACTION-120 (complete) Updated LDPC general, GET and POST sections
sspeiche
parents: 453
diff changeset
   558
		with a target URI of <code>http://www.w3.org/ns/ldp#Resource</code>, and
402
935e1e08d2bb Fix some typos around paging, move to single quotes for link relations per 5988
John Arwe
parents: 395
diff changeset
   559
		a link relation type of <code>type</code> (that is, <code>rel='type'</code>)
149
3f5f825f1155 issue-57 How can a client determine that it is in communication with an LDP server?
John Arwe
parents: 134
diff changeset
   560
		in all responses to requests made 
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   561
		to an LDPR's HTTP <code>Request-URI</code> [[!RFC5988]]. 
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   562
	</h2></section><!-- Was 4.2.10 / #ldpr-4_2_10 -->
434
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   563
	<blockquote>
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   564
		<p>
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   565
		Note: 
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   566
		The HTTP <code>Link</code> header is the method by which servers assert their support for the LDP specification 
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   567
		on a specific resource in a way that clients can inspect dynamically at run-time.   
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   568
		This is <strong>not</strong> equivalent to the
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
   569
		presence of a <var>(subject-URI, <code>rdf:type</code>, <code>ldp:Resource</code>)</var> triple in an LDP-RS.
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   570
		The presence of the header asserts that the server complies with the LDP specification's constraints on 
434
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   571
		HTTP interactions with LDPRs, that is
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   572
		it asserts that the resource <a href="#ldpr-gen-etags">has Etags</a>, <a href="#ldpr-options-must">supports OPTIONS</a>, and so on,
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   573
		which is not true of all Web resources.
434
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   574
		</p>
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   575
		<p>
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   576
		Note: 
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   577
		<a href="#ldpr-gen-binary">A LDP server can host a mixture of LDP-RSs and LDP-NRs</a>, and therefore there is no implication
192
221002315344 Removed 4.1.5 and various formatting issues
sspeiche
parents: 191
diff changeset
   578
		that LDP support advertised on one HTTP <code>Request-URI</code> means that other 
221002315344 Removed 4.1.5 and various formatting issues
sspeiche
parents: 191
diff changeset
   579
		resources on the same server are also LDPRs.  Each HTTP <code>Request-URI</code> needs to be 
434
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   580
		individually inspected, in the absence of outside information.
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   581
		</p>
83b656184387 Action-122 close ISSUE-91, by adding that for an LDPC the link header is type=LDPC
John Arwe
parents: 433
diff changeset
   582
	</blockquote>
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   583
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   584
	<section id="ldpr-gen-defbaseuri"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST assign the default 
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   585
		base-URI for [[!RFC3987]] relative-URI resolution to be the HTTP 
224
39ca65760446 Removed 5.4.8.1 and added 4.2.12 to better handle base/rel URI
sspeiche
parents: 223
diff changeset
   586
		<code>Request-URI</code> when the resource already exists, and to the URI of the created resource when the request results 
39ca65760446 Removed 5.4.8.1 and added 4.2.12 to better handle base/rel URI
sspeiche
parents: 223
diff changeset
   587
		in the creation of a new resource.
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   588
	</h2></section><!-- Was 4.2.12 / #ldpr-4_2_12 -->
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   589
	
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   590
	<section id="ldpr-gen-pubclireqs"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST 
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   591
		publish any constraints on <a title="LDP client">LDP clients’</a> ability to 
800
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   592
		create or update LDPRs, by adding a Link header with
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   593
		an appropriate context URI,
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   594
		a link relation of <code>describedby</code>,
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   595
		and a target URI identifying a set of constraints
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   596
		[[!RFC5988]], to all responses to requests that fail due to violation of 
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   597
		those constraints.  For example, a server that refuses resource creation 
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   598
		requests via HTTP PUT, POST, or PATCH would return this <code>Link</code> header on its 
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   599
		4xx responses to such requests.
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   600
		The same <code>Link</code> header MAY be provided on other responses.  LDP neither 
504
065e49b91d0b Corrected rel=meta to be rel=describedBy
sspeiche
parents: 503
diff changeset
   601
		defines nor constrains the representation of the link's target resource.  Natural language 
065e49b91d0b Corrected rel=meta to be rel=describedBy
sspeiche
parents: 503
diff changeset
   602
		constraint documents are therefore permitted, 
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   603
		although machine-readable ones facilitate better client interactions.
800
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   604
		The appropriate context URI can vary based on the request's semantics and method;
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   605
		unless the response is otherwise
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   606
		constrained, the default (the effective request URI) SHOULD be used.
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   607
	</h2></section><!-- Was 4.2.13 / #ldpr-4_2_13 -->
152
938e7d21cc10 issue-78 inferencing levels add 4.1.13
John Arwe
parents: 151
diff changeset
   608
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   609
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   610
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   611
<section id="ldpr-HTTP_GET">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   612
<h2>HTTP GET</h2>
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   613
	<section id="ldpr-get-must"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST support the HTTP <code>GET</code> Method for LDPRs.
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   614
	</h2></section><!-- Was 4.3.1 / #ldpr-4_3_1 -->
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   615
	
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   616
	<section id="ldpr-get-options"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST support the HTTP response headers defined in 
228
ec118c66c122 Moved 4.7.2 (from HEAD) to 4.3.2 (GET), shifted rest of GET section by one
sspeiche
parents: 227
diff changeset
   617
		<a href="#ldpr-HTTP_OPTIONS" class="sectionRef"></a>.
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   618
	</h2></section><!-- Was 4.3.2 / #ldpr-4_3_2 -->
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   619
	
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   620
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   621
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   622
<section id="ldpr-HTTP_POST">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   623
<h2>HTTP POST</h2>
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   624
	<p>
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   625
		Per [[!RFC7231]], this HTTP method is optional and 
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   626
		this specification does not require <a title="LDP server">LDP servers</a> to support it.
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   627
		When a LDP server supports this method, 
485
195cdbad4852 Updated LDPR Post reference to Put, which had implied that clients could PUT (to an LDPC) to create an LDPR
John Arwe
parents: 484
diff changeset
   628
		this specification imposes no new requirements for LDPRs.
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   629
	</p>
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
   630
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   631
	<p>Clients can create LDPRs via <code>POST</code> (<a href="#ldpc-HTTP_POST" class="sectionRef"></a>) to a LDPC, 
485
195cdbad4852 Updated LDPR Post reference to Put, which had implied that clients could PUT (to an LDPC) to create an LDPR
John Arwe
parents: 484
diff changeset
   632
		via <code>PUT</code> (<a href="#ldpr-HTTP_PUT" class="sectionRef"></a>), or any other methods allowed
195cdbad4852 Updated LDPR Post reference to Put, which had implied that clients could PUT (to an LDPC) to create an LDPR
John Arwe
parents: 484
diff changeset
   633
		for HTTP resources.  Any server-imposed constraints on LDPR creation or update  
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   634
		<a href="#ldpr-gen-pubclireqs">must be advertised</a> to clients.
480
96f2d9c4a742 Updated LDPC DELETE language and cleanup todos
sspeiche
parents: 479
diff changeset
   635
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   636
	</p>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   637
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   638
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   639
<section id="ldpr-HTTP_PUT">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   640
<h2>HTTP PUT</h2>
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   641
	<p>
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   642
		Per [[!RFC7231]], this HTTP method is optional and 
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   643
		this specification does not require <a title="LDP server">LDP servers</a> to support it.
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   644
		When a LDP server supports this method, 
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   645
		this specification imposes the following new requirements for LDPRs.
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   646
	</p>
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   647
		
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   648
	<p>
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   649
		Any server-imposed constraints on LDPR creation or update  
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   650
		<a href="#ldpr-gen-pubclireqs">must be advertised</a> to clients.
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   651
	</p>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   652
		
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   653
	<section id="ldpr-put-replaceall"><h2 class="normal">If a HTTP <code>PUT</code> is accepted on an existing resource, 
389
f1dbb042137b Resolve ACTION-109 Update spec to reflect 10/21 resolution for ignoring triples on PUT
John Arwe
parents: 388
diff changeset
   654
		<a title="LDP server">LDP servers</a> MUST
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   655
		replace the entire persistent state of the identified resource with
61
2f8a2d58e65c ISSUE-11 - 4.4.1 Relaxed the MUST ignore dc:modified/creator to MAY
sspeiche
parents: 60
diff changeset
   656
		the entity representation in the body of the request. 
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   657
		<a title="LDP server">LDP servers</a> MAY ignore server-managed properties such as <code>dcterms:modified</code> 
61
2f8a2d58e65c ISSUE-11 - 4.4.1 Relaxed the MUST ignore dc:modified/creator to MAY
sspeiche
parents: 60
diff changeset
   658
		and <code>dcterms:creator</code> if they are not under
372
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   659
		client control. Any <a title="LDP server">LDP servers</a> that wish
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   660
		to support a more sophisticated merge of data provided by the client
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   661
		with existing state stored on the server for a resource MUST use HTTP
192
221002315344 Removed 4.1.5 and various formatting issues
sspeiche
parents: 191
diff changeset
   662
		<code>PATCH</code>, not HTTP <code>PUT</code>.
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   663
	</h2></section><!-- Was 4.5.1 / #ldpr-4_5_1 -->
519
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   664
		
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   665
	<section id="ldpr-put-simpleupdate"><h2 class="normal"><a title="LDP server">LDP servers</a> SHOULD allow clients to update resources without
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   666
		requiring detailed knowledge of server-specific constraints.  
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   667
		This is a consequence of the requirement to enable simple creation and modification of LDPRs.
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   668
	</h2></section><!-- Was 4.5.7 / #ldpr-4_5_7 -->	
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   669
519
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   670
	<section id="ldprs-put-servermanagedprops"><h2 class="normal">
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   671
		If an otherwise valid HTTP <code>PUT</code> request is received 
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   672
		that attempts to change properties the server does not allow clients to modify, 
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   673
		<a title="LDP server">LDP servers</a> MUST 
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   674
		fail the request by responding with a 4xx range status code (typically
519
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   675
		409 Conflict). 
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   676
		<a title="LDP server">LDP servers</a> SHOULD provide a corresponding response body containing
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   677
		information about which properties could not be
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   678
		persisted.
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   679
		The format of the 4xx response body is not constrained by LDP.
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   680
	</h2></section><!-- Was 4.5.1.1 / #ldpr-4_5_1_1 -->
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   681
	<blockquote>
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   682
		Non-normative note: Clients might provide properties equivalent to those already in the resource's state,
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   683
		e.g. as part of a GET/update representation/PUT sequence, and those PUT requests are intended to work as long as the 
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   684
		server-managed properties 
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   685
		are identical on the GET response and the subsequent PUT request.
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   686
		This is in contrast to other cases like write-once properties that the server does not allow clients to modify once set; 
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   687
		write-once properties are under client control, they are not <a href="#ldpr-put-replaceall">server-managed</a>.
519
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   688
	</blockquote>
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   689
	
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   690
	<section id="ldprs-put-failed"><h2 class="normal">
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   691
		If an otherwise valid HTTP <code>PUT</code> request is received that contains properties the server 
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   692
		chooses not to persist, e.g. unknown content,
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   693
		<a title="LDP server">LDP servers</a> MUST respond with an appropriate 4xx range status code
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   694
		[[!RFC7231]].  
519
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   695
		<a title="LDP server">LDP servers</a> SHOULD provide a corresponding response body containing
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   696
		information about which properties could not be
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   697
		persisted.
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   698
		The format of the 4xx response body is not constrained by LDP. LDP servers
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   699
		expose these application-specific constraints as described in <a href="#ldpr-general" class="sectionRef"></a>.
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   700
	</h2></section><!-- Was 4.5.4 / #ldpr-4_5_4 -->
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   701
	
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   702
	<section id="ldpr-put-precond"><h2 class="normal"><a title="LDP client">LDP clients</a> SHOULD use the HTTP <code>If-Match</code>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   703
		header and HTTP <code>ETags</code> to ensure it isn’t
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   704
		modifying a resource that has changed since the client last retrieved
372
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   705
		its representation. <a title="LDP server">LDP servers</a> SHOULD require the HTTP <code>If-Match</code> header and HTTP <code>ETags</code>
d85ca5c8cb68 Preparing for profiles - conformance section updates; add link to IETF draft
John Arwe
parents: 370
diff changeset
   706
		to detect collisions. <a title="LDP server">LDP servers</a> MUST respond with status code 412
122
14197f56039e Issue-74 resolution - 428 precondition required
John Arwe
parents: 120
diff changeset
   707
		(Condition Failed) if <code>ETag</code>s fail to match when there are no other
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   708
		errors with the request [[!RFC7232]].  <a title="LDP server">LDP servers</a> that require conditional requests MUST respond with status code 428
122
14197f56039e Issue-74 resolution - 428 precondition required
John Arwe
parents: 120
diff changeset
   709
		(Precondition Required) when the absence of a precondition is the only reason for rejecting the request [[!RFC6585]].
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   710
	</h2></section><!-- Was 4.5.2 / #ldpr-4_5_2 -->
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   711
	
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   712
	<section id="ldpr-put-create"><h2 class="normal"><a title="LDP server">LDP servers</a> MAY choose to allow the creation of new resources using HTTP <code>PUT</code>.
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   713
	</h2></section><!-- Was 4.5.6 / #ldpr-4_5_6 -->
519
0a61b68f0a67 Tweaked LDPR PUT clauses to better match new defn of LDPR
sspeiche
parents: 518
diff changeset
   714
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   715
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   716
		
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   717
<section id="ldpr-HTTP_DELETE">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   718
<h2>HTTP DELETE</h2>
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   719
	<p>
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   720
		Per [[!RFC7231]], this HTTP method is optional and 
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   721
		this specification does not require <a title="LDP server">LDP servers</a> to support it.
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   722
		When a LDP server supports this method, 
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   723
		this specification imposes no new blanket requirements for LDPRs.
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   724
	</p>
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   725
		
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   726
	<p>Additional requirements on HTTP <code>DELETE</code> for LDPRs within containers can be found in
466
7b840138bdf1 editorial cleanup; substantive hits to ldpc delete, remove reqt for direct containers to materialize insertedContentRelation (since it's value is fixed)
John Arwe
parents: 465
diff changeset
   727
	<a href="#ldpc-HTTP_DELETE" class="sectionRef"></a>.
7b840138bdf1 editorial cleanup; substantive hits to ldpc delete, remove reqt for direct containers to materialize insertedContentRelation (since it's value is fixed)
John Arwe
parents: 465
diff changeset
   728
	</p>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   729
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   730
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   731
<section id="ldpr-HTTP_HEAD">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   732
<h2>HTTP HEAD</h2>
515
9f5b3854a5bb Fixed a number of broken links
sspeiche
parents: 514
diff changeset
   733
	<p>Note that certain LDP mechanisms rely on HTTP headers, and HTTP generally requires that
192
221002315344 Removed 4.1.5 and various formatting issues
sspeiche
parents: 191
diff changeset
   734
		<code>HEAD</code> responses include the same headers as <code>GET</code> responses.  
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   735
		Thus, implementers should also carefully read sections <a href="#ldpr-HTTP_GET"></a> 
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   736
		and <a href="#ldpr-HTTP_OPTIONS"></a>.</p>
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   737
	<section id="ldpr-head-must"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST support the HTTP <code>HEAD</code> method.
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   738
	</h2></section><!-- Was 4.7.1 / #ldpr-4_7_1 -->
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   739
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   740
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   741
<section id="ldpr-HTTP_PATCH">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   742
<h2>HTTP PATCH</h2>
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   743
	<p>
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   744
		Per [[!RFC5789]], this HTTP method is optional and 
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   745
		this specification does not require <a title="LDP server">LDP servers</a> to support it.
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   746
		When a LDP server supports this method, 
475
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   747
		this specification imposes the following new requirements for LDPRs.
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   748
	</p>
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   749
		
e36ed82a31a7 Put final stake in heart of 'informative' (waves to Sandro), update boilerplate for readability per Arnaud
John Arwe
parents: 474
diff changeset
   750
	<p>
393
8197019f4604 ACTION-110 Update spec to reflect 10/21 resolution for normative changes to align vanilla/chocolate
John Arwe
parents: 389
diff changeset
   751
		Any server-imposed constraints on LDPR creation or update  
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   752
		<a href="#ldpr-gen-pubclireqs">must be advertised</a> to clients.
500
c52f08081c8a Removed rule on PATCH create, as it doesn't add any substantive over RFC5789
sspeiche
parents: 498
diff changeset
   753
	</p>
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   754
	
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   755
	<section id="ldpr-patch-acceptpatch"><h2 class="normal"><a title="LDP server">LDP servers</a> that support <code>PATCH</code> MUST
158
8af0b25f2748 issue-32 MUST support OPTIONS
John Arwe
parents: 152
diff changeset
   756
		include an <code>Accept-Patch</code> HTTP response header [[!RFC5789]] on HTTP <code>OPTIONS</code>
8af0b25f2748 issue-32 MUST support OPTIONS
John Arwe
parents: 152
diff changeset
   757
		requests, listing patch document media type(s) supported by the server.
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   758
	</h2></section><!-- Was 4.8.4 / #ldpr-4_8_4 -->
186
a3471f4667d8 Removed closed issues that required no new spec changes: 50, 56, 16, 19, 17
sspeiche
parents: 185
diff changeset
   759
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   760
</section>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   761
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   762
<section id="ldpr-HTTP_OPTIONS">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   763
<h2>HTTP OPTIONS</h2>
158
8af0b25f2748 issue-32 MUST support OPTIONS
John Arwe
parents: 152
diff changeset
   764
	<p>This specification imposes the following new requirements on HTTP <code>OPTIONS</code> for LDPRs 
637
87b108186dd5 clean up lingering 2616 references, adjust accept-post BNF for bis changes
John Arwe
parents: 636
diff changeset
   765
		beyond those in [[!RFC7231]].  Other sections of this specification, for example 
167
ae4592939639 issue-80 Add Accept-Post
John Arwe
parents: 158
diff changeset
   766
		<a href="#ldpr-HTTP_PATCH">PATCH</a>,
481
beb136ede044 Removed LDPR Paging HTTP OPTIONS section (no longer needed) and more cleanup of todos
sspeiche
parents: 480
diff changeset
   767
		<a href="#header-accept-post">Accept-Post</a>,
158
8af0b25f2748 issue-32 MUST support OPTIONS
John Arwe
parents: 152
diff changeset
   768
		add other requirements on <code>OPTIONS</code> responses.
8af0b25f2748 issue-32 MUST support OPTIONS
John Arwe
parents: 152
diff changeset
   769
		</p>
8af0b25f2748 issue-32 MUST support OPTIONS
John Arwe
parents: 152
diff changeset
   770
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   771
	<section id="ldpr-options-must"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST support the HTTP <code>OPTIONS</code> method.
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   772
	</h2></section><!-- Was 4.9.1 / #ldpr-4_9_1 -->
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   773
		
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   774
	<section id="ldpr-options-allow"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST indicate their support for HTTP Methods by
158
8af0b25f2748 issue-32 MUST support OPTIONS
John Arwe
parents: 152
diff changeset
   775
		responding to a HTTP <code>OPTIONS</code> request on the LDPR’s URL with the HTTP
192
221002315344 Removed 4.1.5 and various formatting issues
sspeiche
parents: 191
diff changeset
   776
		Method tokens in the HTTP response header <code>Allow</code>.
435
e9efbc3a3ba8 First attempt at correcting section ordering and anchors
sspeiche
parents: 434
diff changeset
   777
	</h2></section><!-- Was 4.9.2 / #ldpr-4_9_2 -->
134
917946ac571e ISSUE-33 Moved 5.1.3 Paging (LDPC) to 4.8 (LDPR)
sspeiche
parents: 130
diff changeset
   778
174
72ce83f4ec7f issue-58 actions 88,89 (new predicates)
John Arwe
parents: 173
diff changeset
   779
</section> <!-- h2 -->
72ce83f4ec7f issue-58 actions 88,89 (new predicates)
John Arwe
parents: 173
diff changeset
   780
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   781
</section> <!-- ldpr-resource -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   782
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   783
<section id="ldprs">
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   784
<h2>RDF Source</h2>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   785
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   786
<p>The following section contains normative clauses for <a title="">Linked Data Platform RDF Source</a>.</p>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   787
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   788
<section id="ldprs-general">
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   789
<h2>General</h2>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   790
516
b46f235b5fcc Fixed biblio and dfn references
sspeiche
parents: 515
diff changeset
   791
	<section id="ldprs-are-ldpr"><h2 class="normal">Each <a title="Linked Data Platform RDF Source">LDP RDF Source</a> MUST also be 
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   792
		a conforming <a title="Linked Data Platform Resource">LDP Resource</a> as defined in <a href="#ldpr-resource" class="sectionRef"></a>, along with the
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   793
		restrictions in this section. <a title="">LDP client</a>s MAY infer the following triple: one
553
3d27d1a1d553 change subclassof to rdf:type for MAY inferred triples
John Arwe
parents: 552
diff changeset
   794
		whose subject is the <a title="Linked Data Platform RDF Source">LDP-RS</a>, 
3d27d1a1d553 change subclassof to rdf:type for MAY inferred triples
John Arwe
parents: 552
diff changeset
   795
		whose predicate is <code>rdf:type</code>, 
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   796
		and whose object is <code>ldp:Resource</code>, 
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   797
		but there is no requirement to materialize this triple in the LDP-RS representation.
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   798
	</h2></section>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   799
	
800
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   800
	<section id="ldprs-gen-atleast1rdftype"><h2 class="normal"><a title="Linked Data Platform RDF Source">LDP-RSs</a> representations SHOULD 
89d99b066aca Clarify Link context URIs, member creation media types, prep for other changes
John Arwe
parents: 775
diff changeset
   801
		have at least one <code>rdf:type</code>
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   802
		set explicitly.  This makes the representations much more useful to
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   803
		client applications that don’t support inferencing.
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   804
	</h2></section><!-- Was 4.2.5 / #ldpr-4_2_5 -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   805
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   806
	<section id="ldprs-rdftype"><h2 class="normal">The representation of a LDP-RS MAY have an <code>rdf:type</code>
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   807
		of <code>ldp:RDFSource</code> for <a title="">Linked Data Platform RDF Source</a>.
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   808
	</h2></section><!-- Was 5.2.7 / #ldpc-5_2_7 -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   809
		
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   810
	<section id="ldprs-gen-rdf"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST provide an RDF representation for <a title="Linked Data Platform RDF Source">LDP-RSs</a>. 
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   811
	The HTTP <code>Request-URI</code> of the LDP-RS is typically the subject of most triples in the response.
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   812
	</h2></section><!-- Was 4.2.2 / #ldpr-4_2_2 -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   813
	
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   814
	<section id="ldprs-gen-reusevocab"><h2 class="normal"><a title="Linked Data Platform RDF Source">LDP-RSs</a> SHOULD reuse existing vocabularies instead of creating
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   815
		their own duplicate vocabulary terms.  In addition to this general rule, some specific cases are
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   816
		covered by other conformance rules.
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   817
	</h2></section><!-- Was 4.2.4 / #ldpr-4_2_4 -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   818
	
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   819
	<section id="ldprs-gen-reusevocabsuchas"><h2 class="normal"><a title="Linked Data Platform RDF Source">LDP-RSs</a> predicates SHOULD use standard vocabularies such as Dublin Core
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   820
		[[!DC-TERMS]], RDF [[!rdf11-concepts]] and RDF Schema [[!rdf-schema]], whenever
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   821
		possible.
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   822
	</h2></section><!-- Was 4.2.4.1 / #ldpr-4_2_4_1 -->
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   823
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   824
	<section id="ldp-cli-multitype"><h2 class="normal">In the absence of special knowledge of the application or domain, 
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   825
		<a title="LDP client">LDP clients</a> MUST assume that any LDP-RS can have multiple <code>rdf:type</code> triples with different objects.
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   826
	</h2></section> <!-- Was 4.3.5 / #ldpr-4_3_5 -->
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   827
	
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   828
	<section id="ldpr-cli-typeschange"><h2 class="normal">In the absence of special knowledge of the application or domain, 
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   829
		<a title="LDP client">LDP clients</a> MUST assume that the <code>rdf:type</code> values
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   830
		of a given LDP-RS can change over time.
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   831
	</h2></section> <!-- Was 4.3.6 / #ldpr-4_3_6 -->
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   832
	
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   833
	<section id="ldpr-cli-openpreds"><h2 class="normal"><a title="LDP client">LDP clients</a> SHOULD always assume that the set of predicates for a
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   834
		LDP-RS of a particular type at an arbitrary server is open, in the
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   835
		sense that different resources of the same type may not all have the
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   836
		same set of predicates in their triples, and the set of predicates that
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   837
		are used in the state of any one LDP-RS is not limited to any pre-defined
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   838
		set.
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   839
	</h2></section> <!-- Was 4.5.3 / #ldpr-ldpr-4_5_3 -->
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   840
		
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   841
	<section id="ldprs-gen-noinferencing"><h2 class="normal"><a title="LDP server">LDP servers</a>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   842
		MUST NOT require LDP clients to implement inferencing in order to recognize the subset
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   843
		of content defined by LDP.  Other specifications built on top of LDP may require clients
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   844
		to implement inferencing [[!rdf11-concepts]].  The practical implication is that all content defined by LDP
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   845
		must be explicitly represented, unless noted otherwise within this document.
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   846
	</h2></section><!-- Was 4.2.11 / #ldpr-4_2_11 -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   847
	
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   848
	<section id="ldpr-cli-preservetriples"><h2 class="normal">
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   849
		A <a title="LDP client">LDP client</a> MUST preserve all triples retrieved from a LDP-RS using HTTP <code>GET</code> that
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   850
		it doesn’t change whether it understands the predicates or not, when
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   851
		its intent is to perform an update using HTTP <code>PUT</code>.  The use of HTTP
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   852
		<code>PATCH</code> instead of HTTP <code>PUT</code> for update avoids this burden for clients
636
46b0ed651256 updated to use RFC numbers newly assigned to http-bis and prefer header
John Arwe
parents: 634
diff changeset
   853
		[[!RFC5789]].
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   854
	</h2></section> <!-- Was 4.5.5 / #ldpr-ldpr-4_5_5 -->
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   855
	
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   856
	<section id="ldpr-cli-can-hint"><h2 class="normal">
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   857
		<a title="LDP client">LDP clients</a> MAY 
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   858
		provide LDP-defined hints that allow servers to optimize the content of responses.
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   859
		<a href="#prefer-parameters" class="sectionRef"></a> defines hints that apply to 
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   860
		<a title="Linked Data Platform RDF Source">LDP-RSs</a>.
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   861
	</h2></section> 
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   862
	
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   863
	<section id="ldpr-cli-hints-ignorable"><h2 class="normal">
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   864
		<a title="LDP client">LDP clients</a> MUST 
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   865
		be capable of processing responses formed by a LDP server that ignores hints,
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   866
		including LDP-defined hints.
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   867
	</h2></section>
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   868
	
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   869
	<div class="atrisk" id="atrisk-paging"><p class="atrisktext">Feature At Risk</p>
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   870
	<p>The LDP Working Group proposes incorporation of the following clause to make LDP clients paging aware:</p>
527
b86124412c7a html5 validation fixes
sspeiche
parents: 525
diff changeset
   871
	<section id="ldpr-cli-paging"><h2 class="normal">
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   872
		<a title="LDP client">LDP clients</a> SHOULD 
552
4d99968383f2 editorial changes - "an" to "a" etc
John Arwe
parents: 551
diff changeset
   873
		be capable of processing successful HTTP <code>GET</code> responses formed by a LDP server
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   874
		that independently initiated paging, returning a page of representation instead of full resource
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   875
		representation [[!LDP-PAGING]].
527
b86124412c7a html5 validation fixes
sspeiche
parents: 525
diff changeset
   876
	</h2>
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   877
	</section> 
527
b86124412c7a html5 validation fixes
sspeiche
parents: 525
diff changeset
   878
	</div>
518
f64cf213ec81 Folded #ldpclients section into #ldprs
sspeiche
parents: 517
diff changeset
   879
	
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   880
</section> <!-- ldprs-general -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   881
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   882
<section id="ldprs-HTTP_GET">
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   883
<h2>HTTP GET</h2>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   884
	<section id="ldprs-get-turtle"><h2 class="normal"><a title="LDP server">LDP servers</a> MUST provide a <code>text/turtle</code>
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   885
		representation of the requested <a title="Linked Data Platform RDF Source">LDP-RS</a> whenever HTTP content negotiation
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   886
		does not force another outcome [[!turtle]].  In other words, if the server receives a <code>GET</code> request whose <code>Request-URI</code>
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   887
		identifies a <a title="">LDP-RS</a>, and either <code>text/turtle</code> has the highest relative quality
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   888
		factor (<code>q=</code> value) in the 
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   889
		Accept request header or that header is absent, then an <a title="">LDP server</a> has to respond with Turtle.
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   890
	</h2></section><!-- Was 4.3.3 / #ldpr-4_3_3 -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   891
600
67d13fb3a21f changes motivated by joe ross's comments
John Arwe
parents: 585
diff changeset
   892
	<section id="ldprs-get-jsonld"><h2 class="normal"><a title="LDP server">LDP servers</a> SHOULD offer a <code>application/ld+json</code>
565
76006e897d7f Servers should offer/accept JSON-LD representations of LDP-RSs
John Arwe
parents: 564
diff changeset
   893
		representation of the requested <a title="Linked Data Platform RDF Source">LDP-RS</a> [[!JSON-LD]].
76006e897d7f Servers should offer/accept JSON-LD representations of LDP-RSs
John Arwe
parents: 564
diff changeset
   894
	</h2></section><!-- new -->
76006e897d7f Servers should offer/accept JSON-LD representations of LDP-RSs
John Arwe
parents: 564
diff changeset
   895
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   896
</section> <!-- ldprs-HTTP_GET -->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   897
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   898
</section> <!-- ldprs RDF Source-->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   899
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   900
<section id="ldpnr">
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   901
<h2>Non-RDF Source</h2>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   902
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   903
<p>The following section contains normative clauses for <a title="">Linked Data Platform Non-RDF Source</a>.</p>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   904
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   905
<section id="ldpnr-general">
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   906
<h2>General</h2>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   907
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   908
	<section id="ldpnr-are-ldpr"><h2 class="normal">Each <a title="Linked Data Platform Non-RDF Source">LDP Non-RDF Source</a> MUST also be 
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   909
		a conforming <a title="Linked Data Platform Resource">LDP Resource</a> in <a href="#ldpr-resource" class="sectionRef"></a>.  
548
ab2a3418fb01 minor editorial fixes
John Arwe
parents: 547
diff changeset
   910
		<a title="Linked Data Platform Non-RDF Source">LDP Non-RDF Sources</a> may not be able to fully express their
583
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   911
		state using RDF [[rdf11-concepts]]. 
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   912
	</h2></section>
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   913
	
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   914
	<section id="ldpnr-type"><h2 class="normal"><a title="LDP server">LDP servers</a> exposing an <a title="Linked Data Platform Non-RDF Source">LDP Non-RDF Source</a> 
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   915
		MAY advertise this by exposing a HTTP <code>Link</code> header
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   916
		with a target URI of <code>http://www.w3.org/ns/ldp#NonRDFSource</code>, and
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   917
		a link relation type of <code>type</code> (that is, <code>rel='type'</code>)
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   918
		in responses to requests made 
196b408851fd Added usage for ldp:NonLDPSource
sspeiche
parents: 580
diff changeset
   919
		to the LDP-NR's HTTP <code>Request-URI</code> [[!RFC5988]].  
513
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   920
	</h2></section>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   921
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   922
</section> <!-- ldpnr Non-RDF Source-->
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   923
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   924
</section>
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   925
2df2933649d4 Split out different kinds of LDPRs into their own subsection
sspeiche
parents: 512
diff changeset
   926
</section> <!-- ldpr h1 -->
174
72ce83f4ec7f issue-58 actions 88,89 (new predicates)
John Arwe
parents: 173
diff changeset
   927
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   928
<section id="ldpc">
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   929
<h1>Linked Data Platform Containers</h1>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   930
333
3c2aaaea1f73 Fixed vanishing section ref problem
sspeiche
parents: 331
diff changeset
   931
<section class="informative" id="ldpc-informative">		
466
7b840138bdf1 editorial cleanup; substantive hits to ldpc delete, remove reqt for direct containers to materialize insertedContentRelation (since it's value is fixed)
John Arwe
parents: 465
diff changeset
   932
<h2>Introduction</h2>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   933
	<p>Many HTTP applications and sites have organizing
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   934
		concepts that partition the overall space of resources into smaller
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   935
		containers. Blog posts are grouped into blogs, wiki pages are grouped
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   936
		into wikis, and products are grouped into catalogs. Each resource
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   937
		created in the application or site is created within an instance of
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   938
		one of these container-like entities, and users can list the existing
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   939
		artifacts within one. Containers answer some basic questions, which
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   940
		are:</p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   941
	<ol>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   942
		<li>To which URLs can I POST to create new resources?</li>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   943
		<li>Where can I GET a list of existing resources?</li>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   944
		<li>How do I get information about the members along with the container?</li>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   945
		<li>How	can I ensure the resource data is easy to query?</li>
497
67f04abb73e6 Factored out paging and sorting into separate spec LDP-Paging
sspeiche
parents: 496
diff changeset
   946
		<li>How	is the order of the container entries expressed? [[LDP-PAGING]]</li>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   947
	</ol>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   948
	<p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   949
		This document defines the representation and behavior of containers
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   950
		that address these issues. There are multiple types of containers defined
509
3b515a98338d fixed typos, removed empty section, fixed mixed set of "an LDP" and "a LDP"
Arnaud Le Hors <lehors@us.ibm.com>
parents: 508
diff changeset
   951
		to support a variety of use cases, all that support a base set of capabilities.
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   952
		The contents of a container is
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   953
		defined by a set of triples in its representation (and state) called
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   954
		the <a title="Containment triples">containment triples</a> that follow a fixed pattern.
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   955
		Additional types of containers allow for the set of members of a container to be
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   956
		defined by a set of triples in its representation called
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   957
		the <a title="Membership triples">membership triples</a> that follow a consistent pattern
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   958
		(see the linked-to definition for the possible patterns). 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   959
		The membership triples of a container all
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   960
		have the same predicate, called the membership predicate, 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   961
		and either the subject or the object is also a consistent value
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   962
		– the remaining position of the membership
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   963
		triples (the one that varies) define the members of the container. 
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   964
		In the simplest cases, the
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
   965
		consistent value will be the LDPC resource's URI, but it does not
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   966
		have to be. The membership predicate is also variable and will often
453
a70c321daf12 ACTION-120 (Part 3) Added ldp:member
sspeiche
parents: 452
diff changeset
   967
		be a predicate from the server application vocabulary or the <code>ldp:member</code> predicate.
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   968
	</p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   969
	<p>This document includes a set of guidelines for
415
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   970
		creating new resources and adding them to the list of
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
   971
		resources linked to a container. It goes on to explain how to learn about a set of related
415
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   972
		resources, regardless of how they were created or added to the container's membership.
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   973
		It also defines behavior when resources created using a container are later deleted;
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   974
		deleting containers removes membership information and
12864dde579d Resolve ACTION-112 Update spec to reflect 10/28 resolution for Issue-81 part 1: new predicate names
John Arwe
parents: 414
diff changeset
   975
		possibly performs some cleanup tasks on unreferenced member resources.</p>
104
78fd14175304 ISSUE-59 5.3.2 limited rdf:type of ldp:Container, removed 5.6.3, reworded 5.6.2, updated 1.
sspeiche
parents: 102
diff changeset
   976
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   977
	<p>The following illustrates a very simple
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   978
		container with only three members and some information about the
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   979
		container (the fact that it is a container and a brief title):</p>
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   980
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   981
<em>Request</em> to <code>http://example.org/c1/</code>:
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   982
<pre class="example" id="ldpc-ex-simple-req">GET /c1/ HTTP/1.1
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   983
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   984
Accept: text/turtle</pre>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   985
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   986
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   987
<pre class="example" id="ldpc-ex-simple">HTTP/1.1 200 OK
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   988
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   989
Date: Thu, 12 Jun 2014 18:26:59 GMT
653
71bc4ab13849 Fixed ETag headers to be strong and quoted
sspeiche
parents: 647
diff changeset
   990
ETag: "8caab0784220148bfe98b738d5bb6d13"
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   991
Accept-Post: text/turtle, application/ld+json
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   992
Allow: POST,GET,OPTIONS,HEAD,PUT
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   993
Link: &lt;http://www.w3.org/ns/ldp#BasicContainer&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   994
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
646
d97c97e51f86 Updated examples in Prefer section to be in request/response format
sspeiche
parents: 644
diff changeset
   995
Transfer-Encoding: chunked
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
   996
<!-- @base <http://example.org/c1/>. -->
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   997
@prefix dcterms: &lt;http://purl.org/dc/terms/&gt;.
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   998
@prefix ldp: &lt;http://www.w3.org/ns/ldp#&gt;.
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
   999
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1000
&lt;http://example.org/c1/&gt;
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1001
   a ldp:BasicContainer;
486
974b4886835b change all unicode 00A0 (non-breaking space) to blank (0020)
John Arwe
parents: 485
diff changeset
  1002
   dcterms:title "A very simple container";
974b4886835b change all unicode 00A0 (non-breaking space) to blank (0020)
John Arwe
parents: 485
diff changeset
  1003
   ldp:contains &lt;r1&gt;, &lt;r2&gt;, &lt;r3&gt;.</pre>
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1004
 
522
b3fd53a7b048 Prepare for LC2
sspeiche
parents: 521
diff changeset
  1005
 <!-- TODO: consider if basic container diagram helps, if so...add for other cases too
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1006
   	<figure id="fig-ldpc-basic">
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1007
        <img src="images/ldpc-basic.png" alt="Sample Linked Data Platform Basic Container" />
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1008
        <figcaption>Sample of Linked Data Platform Basic Container</figcaption>
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1009
    </figure>
522
b3fd53a7b048 Prepare for LC2
sspeiche
parents: 521
diff changeset
  1010
     -->
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1011
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1012
	<p>The preceding example is very straightforward: there are containment triples
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1013
	whose subject is the container, whose predicate is  
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1014
	<code>ldp:contains</code>, and whose objects are the URIs of the contained resources,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1015
	and there is no distinction between member resources and contained resources. 
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1016
	A POST to this container will create a new resource
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1017
	and add it to the list of contained resources by adding a new containment triple
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1018
	to the container.  This type of container is called a
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1019
	<a title="">Linked Data Platform Basic Container</a>.  </p>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1020
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1021
	<p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1022
	Sometimes you have to build on existing models incrementally, so you have fewer degrees of
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1023
	freedom in the resource model.  In these situations, it can be useful to help clients map
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1024
	LDP patterns onto existing vocabularies, or to include members not created via the container; 
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1025
	<a title="Linked Data Platform Direct Container">LDP Direct Containers</a>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1026
	meet those kinds of needs.  Direct Containers allow membership triples to use a subject
373
0562f8c4d4d4 Cleanup of known cases where text assumed "normal" membership triple pattern, did not consider the flipped/MO cases
John Arwe
parents: 372
diff changeset
  1027
	other than the container itself as the consistent membership value, and/or to use
467
0eed67a3db4e Simplified some of the container examples
sspeiche
parents: 466
diff changeset
  1028
	a  predicate from an application's domain model as the membership predicate. Let's
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1029
	start with a pre-existing domain resource for a person's net worth, as illustrated below:</p>
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1030
			
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1031
<em>Request</em> to <code>http://example.org/netWorth/nw1</code>:
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1032
<pre class="example" id="ldpc-ex-membership-partial-req">GET /netWorth/nw1 HTTP/1.1
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1033
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1034
Accept: text/turtle</pre>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1035
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1036
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1037
<pre class="example" id="ldpc-ex-membership-partial">HTTP/1.1 200 OK
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1038
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1039
Date: Thu, 12 Jun 2014 18:26:59 GMT
653
71bc4ab13849 Fixed ETag headers to be strong and quoted
sspeiche
parents: 647
diff changeset
  1040
ETag: "0f6b5bd8dc1f754a1238a53b1da34f6b"
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1041
Link: &lt;http://www.w3.org/ns/ldp#RDFSource&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1042
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1043
Allow: GET,OPTIONS,HEAD,PUT,DELETE
646
d97c97e51f86 Updated examples in Prefer section to be in request/response format
sspeiche
parents: 644
diff changeset
  1044
Transfer-Encoding: chunked
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1045
<!-- @base <http://example.org/netWorth/nw1>. -->
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1046
@prefix ldp: &lt;http://www.w3.org/ns/ldp#&gt;.
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1047
@prefix o: &lt;http://example.org/ontology#&gt;.
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1048
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1049
&lt;http://example.org/netWorth/nw1&gt;
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1050
   a o:NetWorth;
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1051
   o:netWorthOf &lt;http://example.org/users/JohnZSmith&gt;;
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1052
   o:asset 
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1053
      &lt;assets/a1&gt;,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1054
      &lt;assets/a2&gt;;
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1055
   o:liability 
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1056
      &lt;liabilities/l1&gt;,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1057
      &lt;liabilities/l2&gt;,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1058
      &lt;liabilities/l3&gt;.
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1059
</pre>
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1060
	<p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1061
	In the preceding example, there is a <code>rdf:type</code> of <code>o:NetWorth</code> indicating the
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1062
	resource represents an instance of a person's net worth and a <code>o:netWorthOf</code> predicate indicating 
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1063
	the associated person.  There are two sets of same-subject, same-predicate triples; one for assets and
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1064
	one for liabilities.  Existing domain-specific applications exist that depend on those types and 
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1065
	predicates, so changing them <em>incompatibly</em> would be frowned upon.
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1066
	</p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1067
	
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1068
	<p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1069
	It would be helpful to be able to use LDP patterns to manage the assets and liabilities-related triples.
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1070
	Doing so using a Basic Container would require duplicating much of the information with different types and
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1071
	predicates, which would be onerous for large resources.  <a title="Linked Data Platform Direct Container">Direct Containers</a>
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1072
	provide a middle ground, by giving LDP clients a way to map existing domain-specific resources to LDP's
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1073
	types and interaction models.  
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1074
	In this specific example, 
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1075
	it would be helpful to be able to manage the assets and liabilities triples consistently, for example
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1076
	by using LDP containers.
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1077
	One way to do this is to create two containers, one to manage assets and another liabilities, 
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1078
	as separate HTTP resources.  Existing clients have no need to interact with those containers,
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1079
	whereas LDP-enabled clients now have container URLs that they can interact with.  The existing
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1080
	resource remains unchanged so that existing clients continue to function normally.
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1081
	This is illustrated in the set of related examples, one example per HTTP resource, starting with
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1082
	the LDP-RS example from before:
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1083
	</p>
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1084
	
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1085
<em>Request</em> to <code>http://example.org/netWorth/nw1</code>:
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1086
<pre class="example" id="ldpc-ex-membership-full-req">GET /netWorth/nw1 HTTP/1.1
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1087
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1088
Accept: text/turtle</pre>
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1089
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1090
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1091
<pre class="example" id="ldpc-ex-membership-full">HTTP/1.1 200 OK
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1092
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1093
Date: Thu, 12 Jun 2014 18:26:59 GMT
653
71bc4ab13849 Fixed ETag headers to be strong and quoted
sspeiche
parents: 647
diff changeset
  1094
ETag: "0f6b5bd8dc1f754a1238a53b1da34f6b"
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1095
Link: &lt;http://www.w3.org/ns/ldp#RDFSource&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1096
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1097
Allow: GET,OPTIONS,HEAD,PUT,DELETE
646
d97c97e51f86 Updated examples in Prefer section to be in request/response format
sspeiche
parents: 644
diff changeset
  1098
Transfer-Encoding: chunked
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1099
<!-- @base <http://example.org/netWorth/nw1>. -->
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1100
@prefix ldp: &lt;http://www.w3.org/ns/ldp#&gt;.
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1101
@prefix o: &lt;http://example.org/ontology#&gt;.
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1102
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1103
&lt;http://example.org/netWorth/nw1&gt;
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1104
   a o:NetWorth;
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1105
   o:netWorthOf &lt;http://example.org/users/JohnZSmith&gt;;
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1106
   o:asset 
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1107
      &lt;assets/a1&gt;,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1108
      &lt;assets/a2&gt;;
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1109
   o:liability 
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1110
      &lt;liabilities/l1&gt;,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1111
      &lt;liabilities/l2&gt;,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1112
      &lt;liabilities/l3&gt;.
456
6130538abdf0 ACTION-124 LDPR-RR as named graphs
sspeiche
parents: 454
diff changeset
  1113
</pre>
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1114
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1115
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1116
	<p>The structure of the net worth resource is completely unchanged, so any existing 
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1117
	domain-specific applications continue to work without impact.
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1118
	LDP clients, on the other hand, have no way to understand that the asset and
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1119
	liability triples correspond in any way to LDP containers.  For that, they need the
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1120
	next two resources.
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1121
	</p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1122
	<p>The first container is a <a title="Linked Data Platform Direct Container">LDP Direct Container</a> to manage assets.  
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1123
	Direct Containers add the concept of <a title="Membership">membership</a>
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1124
	and flexibility on how to specify the <a title="Membership triples">membership triples</a>.
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1125
	</p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1126
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1127
<em>Request</em> to <code>http://example.org/netWorth/nw1/assets/</code>:
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1128
<pre class="example" id="ldpc-ex-membership-subj-req">GET /netWorth/nw1/assets/ HTTP/1.1
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1129
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1130
Accept: text/turtle</pre>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1131
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1132
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1133
<pre class="example" id="ldpc-ex-membership-subj">HTTP/1.1 200 OK
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1134
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1135
Date: Thu, 12 Jun 2014 18:26:59 GMT
653
71bc4ab13849 Fixed ETag headers to be strong and quoted
sspeiche
parents: 647
diff changeset
  1136
ETag: "6df36eef2631a1795bfe9ab76760ea75"
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1137
Accept-Post: text/turtle, application/ld+json
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1138
Allow: POST,GET,OPTIONS,HEAD
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1139
Link: &lt;http://www.w3.org/ns/ldp#DirectContainer&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1140
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
646
d97c97e51f86 Updated examples in Prefer section to be in request/response format
sspeiche
parents: 644
diff changeset
  1141
Transfer-Encoding: chunked
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1142
<!-- @base <http://example.org/netWorth/nw1/assets/>. -->      
456
6130538abdf0 ACTION-124 LDPR-RR as named graphs
sspeiche
parents: 454
diff changeset
  1143
@prefix ldp: &lt;http://www.w3.org/ns/ldp#&gt;.
6130538abdf0 ACTION-124 LDPR-RR as named graphs
sspeiche
parents: 454
diff changeset
  1144
@prefix dcterms: &lt;http://purl.org/dc/terms/&gt;.
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1145
@prefix o: &lt;http://example.org/ontology#&gt;.
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1146
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1147
&lt;http://example.org/netWorth/nw1/assets/&gt;
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1148
   a ldp:DirectContainer;
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1149
   dcterms:title "The assets of JohnZSmith";
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1150
   ldp:membershipResource &lt;http://example.org/netWorth/nw1&gt;;
488
6bc3c9a2b2f7 Adopted new predicate names: ldp:membershipResource, ldp:hasMemberRelation and ldp:isMemberOfRelation
sspeiche
parents: 487
diff changeset
  1151
   ldp:hasMemberRelation o:asset;
456
6130538abdf0 ACTION-124 LDPR-RR as named graphs
sspeiche
parents: 454
diff changeset
  1152
   ldp:contains &lt;a1&gt;, &lt;a2&gt;.
6130538abdf0 ACTION-124 LDPR-RR as named graphs
sspeiche
parents: 454
diff changeset
  1153
</pre>
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1154
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1155
	<p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1156
	In the preceding asset container, the consistent membership value 
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1157
	(<a title="Membership triples">membership-constant-URI</a>, still in the subject position) is not the
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1158
	container itself – it is the (separate) net worth resource. The
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1159
	membership predicate is <code>o:asset</code>,
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1160
	from the domain model. A POST of an asset representation to the asset container will create a new
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1161
	asset and add it to net-worth's list of	assets by adding a new membership triple
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1162
	to the resource and a containment triple to the container. 
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1163
	</p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1164
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1165
	<p>The second container is a <a title="Linked Data Platform Direct Container">LDP Direct Container</a> to manage liabilities.  
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1166
	</p>
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1167
<em>Request</em> to <code>http://example.org/netWorth/nw1/liabilities/</code>:
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1168
<pre class="example" id="ldpc-ex-membership-full-liabcont-req">GET /netWorth/nw1/liabilities/ HTTP/1.1
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1169
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1170
Accept: text/turtle</pre>
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1171
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1172
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1173
<pre class="example" id="ldpc-ex-membership-full-liabcont">HTTP/1.1 200 OK
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1174
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1175
Date: Thu, 12 Jun 2014 18:26:59 GMT
653
71bc4ab13849 Fixed ETag headers to be strong and quoted
sspeiche
parents: 647
diff changeset
  1176
ETag: "9f50da01f792281ddcfebe9788372d07"
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1177
Link: &lt;http://www.w3.org/ns/ldp#DirectContainer&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1178
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1179
Accept-Post: text/turtle, application/ld+json
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1180
Allow: POST,GET,OPTIONS,HEAD
646
d97c97e51f86 Updated examples in Prefer section to be in request/response format
sspeiche
parents: 644
diff changeset
  1181
Transfer-Encoding: chunked
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1182
<!-- @base <http://example.org/netWorth/nw1/liabilities/>. -->
456
6130538abdf0 ACTION-124 LDPR-RR as named graphs
sspeiche
parents: 454
diff changeset
  1183
@prefix ldp: &lt;http://www.w3.org/ns/ldp#&gt;.
6130538abdf0 ACTION-124 LDPR-RR as named graphs
sspeiche
parents: 454
diff changeset
  1184
@prefix dcterms: &lt;http://purl.org/dc/terms/&gt;.
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1185
@prefix o: &lt;http://example.org/ontology#&gt;.
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1186
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1187
&lt;http://example.org/netWorth/nw1/liabilities/&gt;
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1188
   a ldp:DirectContainer;
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1189
   dcterms:title "The liabilities of JohnZSmith";
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1190
   ldp:membershipResource &lt;http://example.org/netWorth/nw1&gt;;
488
6bc3c9a2b2f7 Adopted new predicate names: ldp:membershipResource, ldp:hasMemberRelation and ldp:isMemberOfRelation
sspeiche
parents: 487
diff changeset
  1191
   ldp:hasMemberRelation o:liability;
460
1f6e06fd7272 typo: added missing brackets in example 7
Arnaud Le Hors <lehors@us.ibm.com>
parents: 459
diff changeset
  1192
   ldp:contains &lt;l1&gt;, &lt;l2&gt;, &lt;l3&gt;.
87
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1193
</pre>
671fe85a872b Inserted examples 2&3, a more complete NetWorth resource
sspeiche
parents: 86
diff changeset
  1194
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1195
	<p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1196
	The preceding liability container is completely analogous to the asset container above, simply
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1197
	managing liabilities instead of assets and using the <code>o:liability</code> predicate.
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1198
	</p>
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1199
	<p>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1200
	To add a another liability, a client would POST something like this to the liability container:
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1201
	</p>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1202
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1203
<em>Request</em> to <code>http://example.org/netWorth/nw1/liabilities/</code>:
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1204
<pre class="example" id="ldpc-ex-membership-add-new-liability-req">POST /netWorth/nw1/liabilities/ HTTP/1.1
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1205
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1206
Accept: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1207
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1208
Content-Length: 63
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1209
<!-- @base is here only so it's easier to paste into validators for checking -->
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1210
@prefix o: &lt;http://example.org/ontology#&gt;.
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1211
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1212
&lt;&gt;
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1213
   a o:Liability.
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1214
   # plus any other properties that the domain says liabilities have
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1215
</pre>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1216
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1217
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1218
<pre class="example" id="ldpc-ex-membership-add-new-liability">HTTP/1.1 201 Created
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1219
Location: http://example.org/netWorth/nw1/liabilities/l4
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1220
Date: Thu, 12 Jun 2014 19:56:13 GMT
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1221
Link: &lt;http://www.w3.org/ns/ldp#DirectContainer&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1222
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1223
</pre>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1224
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1225
	<p>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1226
	Assuming the server successfully processes this request and assigns the URI
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1227
	<code>&lt;http://example.org/netWorth/nw1/liabilities/l4&gt;</code> to the 
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1228
	newly created liability resource, at least two new triples would be added.
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1229
	</p>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1230
	<ol>
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1231
	<li>In the net worth resource, <code>&lt;http://example.org/netWorth/nw1&gt; o:liability &lt;liabilities/l4&gt;</code></li>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1232
	<li>In the liability container, <code>&lt;http://example.org/netWorth/nw1/liabilities/&gt; ldp:contains &lt;l4&gt;</code>.</li>
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1233
	</ol>
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1234
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1235
	<p>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1236
	You might wonder why we chose to create two new containers instead of making
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1237
	<code>http://example.org/netWorth/nw1</code> itself a container.
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1238
	A single net worth container would be a fine design if <code>http://example.org/netWorth/nw1</code>
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1239
	had only assets or only liabilities (basically: only a single predicate to manage), 
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1240
	but since it has separate predicates for assets and liabilities an ambiguity arises:
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1241
	it is unspecified whether a client's creation request (POST)
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1242
	should add a new <code>o:asset</code> or <code>o:liability</code> triple. 
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1243
	Having separate <code>http://example.org/netWorth/nw1/assets/</code> 
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1244
	and <code>http://example.org/netWorth/nw1/liabilities/</code> containers
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1245
	allows both assets and liabilities to be created 
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1246
	and linked to the net-worth resource using the appropriate predicate.  Similar ambiguities arise
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1247
	if the client wishes to list the members and/or contained resources.
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1248
	</p>
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1249
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1250
	<p>Continuing in the multiple containers direction, we will now extend our net worth example to add a container for
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1251
	advisors (people) that have managed the assets and liabilities.  We have decided
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1252
	to identify these advisors with URLs that contain a fragment (hash) to represent
462
3a7f9b05bad8 proofing through 454
John Arwe
parents: 461
diff changeset
  1253
	these real-world resources, not the documents that describe them.</p>
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1254
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1255
<em>Request</em> to <code>http://example.org/netWorth/nw1</code>:
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1256
<pre class="example" id="ldpc-ex-membership-full-elab-req">GET /netWorth/nw1 HTTP/1.1
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1257
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1258
Accept: text/turtle</pre>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1259
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1260
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1261
<pre class="example" id="ldpc-ex-membership-full-elab">HTTP/1.1 200 OK
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1262
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1263
Date: Thu, 12 Jun 2014 18:26:59 GMT
653
71bc4ab13849 Fixed ETag headers to be strong and quoted
sspeiche
parents: 647
diff changeset
  1264
ETag: "e8d129f45ca31848fb56213844a32b49"
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1265
Link: &lt;http://www.w3.org/ns/ldp#DirectContainer&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1266
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1267
Allow: GET,OPTIONS,HEAD,PUT,DELETE
646
d97c97e51f86 Updated examples in Prefer section to be in request/response format
sspeiche
parents: 644
diff changeset
  1268
Transfer-Encoding: chunked
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1269
<!-- @base <http://example.org/netWorth/nw1>. -->
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1270
@prefix ldp: &lt;http://www.w3.org/ns/ldp#&gt;.
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1271
@prefix dcterms: &lt;http://purl.org/dc/terms/&gt;.
486
974b4886835b change all unicode 00A0 (non-breaking space) to blank (0020)
John Arwe
parents: 485
diff changeset
  1272
@prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt;.
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1273
@prefix o: &lt;http://example.org/ontology#&gt;.
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1274
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1275
&lt;http://example.org/netWorth/nw1&gt;
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1276
   a o:NetWorth;
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1277
   o:netWorthOf &lt;http://example.org/users/JohnZSmith&gt;;
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1278
   o:advisor
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1279
   	 &lt;advisors/bob#me&gt;,     # URI of a person
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1280
   	 &lt;advisors/marsha#me&gt;.
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1281
   	 
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1282
&lt;advisors/&gt;
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1283
   a ldp:IndirectContainer;
465
26eb1d6d4fd6 fixing things found proofing SS updates and a few of Arnaud's email comments
John Arwe
parents: 464
diff changeset
  1284
   dcterms:title "The asset advisors of JohnZSmith";
488
6bc3c9a2b2f7 Adopted new predicate names: ldp:membershipResource, ldp:hasMemberRelation and ldp:isMemberOfRelation
sspeiche
parents: 487
diff changeset
  1285
   ldp:membershipResource &lt;&gt;;
6bc3c9a2b2f7 Adopted new predicate names: ldp:membershipResource, ldp:hasMemberRelation and ldp:isMemberOfRelation
sspeiche
parents: 487
diff changeset
  1286
   ldp:hasMemberRelation o:advisor;
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1287
   ldp:insertedContentRelation foaf:primaryTopic;
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1288
   ldp:contains
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1289
   	 &lt;bob&gt;,     # URI of a document a.k.a. an information resource
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1290
   	 &lt;marsha&gt;.  # describing a person
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1291
</pre>	
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1292
	
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1293
	<p>To handle this type of indirection, the triple with predicate of <code>ldp:insertedContentRelation</code> and object of 
468
f960af656afb Simplified some of the container examples
sspeiche
parents: 467
diff changeset
  1294
	<code>foaf:primaryTopic</code> informs clients that when POSTing to this container, they need to include a triple of the
462
3a7f9b05bad8 proofing through 454
John Arwe
parents: 461
diff changeset
  1295
	form <code>(&lt;&gt;, foaf:primaryTopic, topic-URI)</code> to inform the server which URI to use 
3a7f9b05bad8 proofing through 454
John Arwe
parents: 461
diff changeset
  1296
	(<code>topic-URI</code>) in the new membership triple.</p>
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1297
	
563
4e61db8dbfa2 Update narrative on net worth example (#s 2-5, section 5.1, at time of writing)
John Arwe
parents: 562
diff changeset
  1298
	<p>This type of container is referred to as a <a title="Linked Data Platform Indirect Container">LDP Indirect Container</a>. 
514
7e329a35960e A vs an fun
sspeiche
parents: 513
diff changeset
  1299
	It is similar to an <a title="Linked Data Platform Direct Container">LDP Direct Container</a> 
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1300
	but it provides an indirection to add (via a create request) as a member any resource, 
566
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1301
	including a URI representing a real-world object.  Create requests to 
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1302
	<a title="Linked Data Platform Direct Container">LDP Direct Containers</a> 
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1303
	can only add information resources [[WEBARCH]] - the documents they create - as members.
cfc0c8b396a8 fix typos
John Arwe
parents: 565
diff changeset
  1304
	</p>
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1305
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1306
	<p>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1307
	To add a another advisor, a client would POST something like this to the advisors container:
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1308
	</p>
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1309
<em>Request</em> to <code>http://example.org/netWorth/nw1/advisors/</code>:
659
775deb8e635f CR prep, fixing pubrules checker problems
sspeiche
parents: 657
diff changeset
  1310
<pre class="example" id="ldpc-ex-membership-add-new-advisor-req">POST /netWorth/nw1/advisors/ HTTP/1.1
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1311
Host: example.org
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1312
Accept: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1313
Content-Type: text/turtle
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1314
Slug: george
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1315
Content-Length: 72
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1316
<!-- @base <http://example.org/netWorth/nw1/advisors/george>. -->
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1317
@prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt;.
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1318
@prefix o: &lt;http://example.org/ontology#&gt;.
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1319
&lt;&gt;
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1320
   a o:Advisor;
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1321
   foaf:primaryTopic &lt;#me&gt;.
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1322
   # plus any other properties that the domain says advisors have
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1323
</pre>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1324
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1325
<em>Response:</em>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1326
<pre class="example" id="ldpc-ex-membership-add-new-advisor">HTTP/1.1 201 Created
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1327
Location: http://example.org/netWorth/nw1/advisors/george
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1328
Date: Thu, 12 Jun 2014 19:56:13 GMT
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1329
Link: &lt;http://www.w3.org/ns/ldp#RDFSource&gt;; rel="type",
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1330
      &lt;http://www.w3.org/ns/ldp#Resource&gt;; rel="type"
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1331
</pre>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1332
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1333
	<p>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1334
	Assuming the server successfully processes this request and assigns the URI
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1335
	<code>&lt;http://example.org/netWorth/nw1/advisors/george&gt;</code> to the 
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1336
	newly created advisor resource, at least two new triples would be added.
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1337
	</p>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1338
	<ol>
644
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1339
	<li>In the net worth resource, <code>&lt;http://example.org/netWorth/nw1&gt; o:advisor &lt;advisors/george#me&gt;</code></li>
afe041e0f7fc Updated examples in container sections to be in request/response format
sspeiche
parents: 637
diff changeset
  1340
	<li>In the advisors container, <code>&lt;http://example.org/netWorth/nw1/advisors/&gt; ldp:contains &lt;george&gt;</code></li>
564
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1341
	</ol>
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1342
cba76c3813b9 More example revisions, and fix bug in advisors example
John Arwe
parents: 563
diff changeset
  1343
	<p>In summary, <a href="#fig-ldpc-types"></a> illustrates the LDP-defined container types: Basic, Direct, and Indirect, along
491
16d872a712b6 Adopted container hierarchy and merged Indirect Container into Container
sspeiche
parents: 489
diff changeset
  1344
	with their class relationship to types of LDPRs.</p>
450
e8d84dbc86dc ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 449
diff changeset
  1345
	
e8d84dbc86dc ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 449
diff changeset
  1346
	 <figure id="fig-ldpc-types">
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1347
        <img src="images/ldpc-hierarchy.png" alt="Types of Linked Data Platform Containers" />
491
16d872a712b6 Adopted container hierarchy and merged Indirect Container into Container
sspeiche
parents: 489
diff changeset
  1348
        <figcaption>Class relationship of types of Linked Data Platform Containers</figcaption>
450
e8d84dbc86dc ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 449
diff changeset
  1349
    </figure>
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1350
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1351
	<p>The following table illustrates some differences between <a title="membership">membership</a> and 
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1352
	<a title="containment">containment</a> triples.  For details on the normative behavior, see appropriate sections
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1353
	below.
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1354
	</p>
527
b86124412c7a html5 validation fixes
sspeiche
parents: 525
diff changeset
  1355
	<table style="border: 1px solid gray" id="ldpc-mbrcntdiff">
554
5a4fe2b38a2a rename empty container triples to minimal container triples
John Arwe
parents: 553
diff changeset
  1356
		<thead><tr><th rowspan="2">Completed Request</th><th style="background:#FFFFFF;" colspan="2">Effects</th></tr>
479
c116a0ec33d8 Resolved a few editoral TODO's
John Arwe
parents: 477
diff changeset
  1357
		       <tr class="oddrow"><th>Membership</th><th>Containment</th></tr></thead>
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1358
		<tr><td>LDPR created in LDP-BC</td><td>New triple: (LDPC, ldp:contains, LDPR)</td><td>Same</td></tr>
489
a33c03215d88 Adopted new resource types: LDP RDF Source (LDP-RS) (was LDP RDF Resource) and LDP Non-RDF Source (LDP-NR) (was LDP Binary Resource)
sspeiche
parents: 488
diff changeset
  1359
		<tr><td>LDPR created in LDP-DC</td><td>New triple links LDP-RS to created LDPR. LDP-RS URI may be same as LDP-DC</td>
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1360
			<td>New triple: (LDPC, ldp:contains, LDPR)</td></tr>
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1361
		<tr><td>LDPR created in LDP-IC</td><td>New triple links LDP-RS to content indicated URI</td>
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1362
			<td>New triple: (LDPC, ldp:contains, LDPR)</td></tr>
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1363
		<tr><td>LDPR is deleted</td><td>Membership triple may be removed</td><td>(LDPC, ldp:contains, LDPR) triple is removed
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1364
			</td></tr>
452
c4b538b7e57f ACTION-120 (Part 2) Added concepts of containers (basic, direct and indirect) to LDPC intro
sspeiche
parents: 451
diff changeset
  1365
		<tr><td>LDPC is deleted</td><td>Triples and member resources may be removed</td><td>Triples of form 
476
330d6aac4572 Updated membership info table
sspeiche
parents: 475
diff changeset
  1366
			(LDPC, ldp:contains, LDPR) and contained LDPRs may be removed</td></tr>
449
623bbfdea989 ACTION-120 (Part 1) Added concepts of containers (basic, direct and indirect)
sspeiche
parents: 448
diff changeset
  1367
	</table>
506
c828dbebaebb Split out different kinds of LDPCs into their own subsection
sspeiche
parents: 505
diff changeset
  1368
554
5a4fe2b38a2a rename empty container triples to minimal container triples
John Arwe
parents: 553
diff changeset
  1369
<section id="ldpc-get_minimal-container_props"><h2 class="normal">Retrieving Only Minimal-Container Triples
5a4fe2b38a2a rename empty container triples to minimal container triples
John Arwe
parents: 553
diff changeset
  1370
	</h2><!-- Was 5.1.1 / #ldpc-get_minimal-container_props -->
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1371
	<p>The representation of a container
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1372
		that has many members will be large. There are several important
474
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1373
		cases where clients need to access only the subset of the container's properties 
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1374
		that are unrelated to member resources and unrelated to contained documents, for
514
7e329a35960e A vs an fun
sspeiche
parents: 513
diff changeset
  1375
		example to determine the membership triple pattern and membership predicate of an 
554
5a4fe2b38a2a rename empty container triples to minimal container triples
John Arwe
parents: 553
diff changeset
  1376
		LDP-DC.  LDP calls these <a title="Minimal-container triples">minimal-container triples</a>,
474
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1377
		because they are what remains when the container has zero members and zero contained resources.
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1378
		Since retrieving the whole container representation to
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1379
		get this information may be onerous for clients and cause unnecessary
474
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1380
		overhead on servers, we define a way to retrieve only
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1381
		these property values (and more generally, a way to retrieve only the 
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1382
		subset of properties used to address other major clusters of use cases).
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1383
		LDP adds parameters to the HTTP <code>Prefer</code> header's 
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1384
		<code>return=representation</code> preference for this 
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1385
		(see <a href="#prefer-parameters" class="sectionRef"></a> for details).
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1386
	</p>
a074b88f9b68 ACTION-132: Use Prefer in place of non-member properties resource
John Arwe
parents: 473
diff changeset
  1387
	<p>The example listed here only shows
554
5a4fe2b38a2a rename empty container triples to minimal container triples
John Arwe
parents: 553
diff changeset
  1388
		a simple case where few minimal-container triples are
12
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1389
		retrieved. In real world situations more complex cases are likely, such as those that add other predicates to
a3be44430b37 ISSUE-8 rename from LDBP to LDP and add remainder of open issues
sspeiche
parents:
diff changeset
  1390
		containers, for example providing validation information and
495
559a77692da5 Fixed up some specref references
sspeiche
parents: 494
diff changeset