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--- a/rdf-primer/example-context.json Sun Dec 22 17:21:34 2013 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,28 +0,0 @@
-{
- "@context": {
- "foaf": "http://xmlns.com/foaf/0.1/",
- "xsd": "http://www.w3.org/2001/XMLSchema#",
- "schema": "http://schema.org/",
- "dcterms": "http://purl.org/dc/terms/",
- "wd": "http://www.wikidata.org/entity/",
- "@base": "http://example.org/",
- "uri": "@id",
- "type": "@type",
- "Person": "foaf:Person",
- "born": {
- "@id": "schema:birthDate",
- "@type": "xsd:date"
- },
- "friends": {
- "@id": "foaf:knows",
- "@type": "@id"
- },
- "interest": "http://xmlns.com/foaf/0.1/topic_interest",
- "subject_of": {
- "@reverse": "dcterms:subject",
- "@type": "@id"
- },
- "creator": "dcterms:creator",
- "title": "dcterms:title",
- "name": "foaf:name"
-}
--- a/rdf-primer/examples/mona-lisa.nt Sun Dec 22 17:21:34 2013 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,5 +0,0 @@
-<http://example.org/#bob> <http://example.org/#knows> <http://example.org/#alice>.
-<http://example.org/#bob> <http://example.org/#birth-date> "1990-07-04"^^<http://www.w3.org/2001/XMLSchema#date>.
-<http://example.org/#da-vinci> <http://example.org/#created> <http://example.org/#the-mona-lisa>.
-<http://example.org/#the-mona-lisa> <http://example.org/#on-display-in> <http://example.org/#the-louvre>.
-<http://example.org/#bob> <http://example.org/#likes> <http://example.org/#the-mona-lisa>.
--- a/rdf-primer/sample-graph.svg Sun Dec 22 17:21:34 2013 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,46 +0,0 @@
-<?xml version="1.0"?>
-<svg width="640" height="480" xmlns="http://www.w3.org/2000/svg" xmlns:se="http://svg-edit.googlecode.com">
- <!-- Created with SVG-edit - http://svg-edit.googlecode.com/ -->
- <defs>
- <marker refY="50" refX="50" markerHeight="5" markerWidth="5" viewBox="0 0 100 100" se_type="rightarrow" orient="auto" markerUnits="strokeWidth" id="se_marker_end_svg_31">
- <path stroke-width="10" stroke="#bf0000" fill="#bf0000" d="m100,50l-100,40l30,-40l-30,-40z"/>
- </marker>
- <marker refY="50" refX="50" markerHeight="5" markerWidth="5" viewBox="0 0 100 100" se_type="rightarrow" orient="auto" markerUnits="strokeWidth" id="se_marker_end_svg_32">
- <path stroke-width="10" stroke="#bf0000" fill="#bf0000" d="m100,50l-100,40l30,-40l-30,-40z"/>
- </marker>
- <marker refY="50" refX="50" markerHeight="5" markerWidth="5" viewBox="0 0 100 100" se_type="rightarrow" orient="auto" markerUnits="strokeWidth" id="se_marker_end_svg_33">
- <path stroke-width="10" stroke="#bf0000" fill="#bf0000" d="m100,50l-100,40l30,-40l-30,-40z"/>
- </marker>
- <marker refY="50" refX="50" markerHeight="5" markerWidth="5" viewBox="0 0 100 100" se_type="rightarrow" orient="auto" markerUnits="strokeWidth" id="se_marker_end_svg_34">
- <path stroke-width="10" stroke="#bf0000" fill="#bf0000" d="m100,50l-100,40l30,-40l-30,-40z"/>
- </marker>
- <marker refY="50" refX="50" markerHeight="5" markerWidth="5" viewBox="0 0 100 100" se_type="rightarrow" orient="auto" markerUnits="strokeWidth" id="se_marker_end_svg_35">
- <path stroke-width="10" stroke="#bf0000" fill="#bf0000" d="m100,50l-100,40l30,-40l-30,-40z"/>
- </marker>
- <marker refY="50" refX="50" markerHeight="5" markerWidth="5" viewBox="0 0 100 100" se_type="rightarrow" orient="auto" markerUnits="strokeWidth" id="se_marker_end_svg_36">
- <path stroke-width="10" stroke="#bf0000" fill="#bf0000" d="m100,50l-100,40l30,-40l-30,-40z"/>
- </marker>
- </defs>
- <g>
- <title>Layer 1</title>
- <polyline marker-end="url(#se_marker_end_svg_36)" se:connector="svg_30 svg_17" fill="none" stroke-width="2" stroke="#bf0000" points="477.978 345 405.933 317 333.888 289" id="svg_36"/>
- <polyline marker-end="url(#se_marker_end_svg_35)" se:connector="svg_29 svg_17" fill="none" stroke-width="2" stroke="#bf0000" points="504.424 145 411.388 198 318.353 251" id="svg_35"/>
- <polyline marker-end="url(#se_marker_end_svg_34)" se:connector="svg_15 svg_17" fill="none" stroke-width="2" stroke="#bf0000" points="162 188.287 209.2 219.643 256.4 251" id="svg_34"/>
- <polyline marker-end="url(#se_marker_end_svg_33)" se:connector="svg_15 svg_16" fill="none" stroke-width="2" stroke="#bf0000" points="162 162.305 220.533 125.153 279.066 88" id="svg_33"/>
- <polyline marker-end="url(#se_marker_end_svg_32)" se:connector="svg_15 svg_28" fill="none" stroke-width="2" stroke="#bf0000" points="136.362 189 113.007 247 89.651 305" id="svg_32"/>
- <polyline marker-end="url(#se_marker_end_svg_31)" se:connector="svg_15 svg_27" fill="none" stroke-width="2" stroke="#bf0000" points="131.193 161 99.9298 120.5 68.6667 80" id="svg_31"/>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_15" y="183" x="142" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#00007f">Bob</text>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_16" y="77" x="309" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">Alice</text>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_17" y="278" x="285" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#00007f">the Mona Lisa</text>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_27" y="69" x="54" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#00007f">person</text>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_28" y="332" x="82" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#00007f">4 July 1990</text>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_29" y="139" x="529" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#00007f">Leonardo da Vinci</text>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" id="svg_30" y="367" x="514" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">This video document</text>
- <text xml:space="preserve" text-anchor="middle" font-family="serif" font-size="20" id="svg_37" y="134" x="79" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">is a</text>
- <text id="svg_38" xml:space="preserve" text-anchor="middle" font-family="serif" font-size="20" y="249.5" x="65" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">is born on</text>
- <text id="svg_39" xml:space="preserve" text-anchor="middle" font-family="serif" font-size="20" y="101.5" x="201" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">is a friend of</text>
- <text id="svg_40" xml:space="preserve" text-anchor="middle" font-family="serif" font-size="20" y="196.5" x="240" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">is interested in</text>
- <text id="svg_41" xml:space="preserve" text-anchor="middle" font-family="serif" font-size="20" y="207.5" x="490" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">is the creator of</text>
- <text id="svg_42" xml:space="preserve" text-anchor="middle" font-family="serif" font-size="20" y="336.5" x="355" stroke-linecap="null" stroke-linejoin="null" stroke-dasharray="null" stroke-width="0" stroke="#000000" fill="#003f7f">is about</text>
- </g>
-</svg>
--- a/rdf-schema/Overview.html Sun Dec 22 17:21:34 2013 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1630 +0,0 @@
-<!DOCTYPE html>
-<html lang="en" typeof="bibo:Document w3p:PER" about="" property="dcterms:language" content="en" prefix="bibo: http://purl.org/ontology/bibo/ w3p: http://www.w3.org/2001/02pd/rec54#" xmlns="http://www.w3.org/1999/xhtml">
-<head>
- <meta http-equiv="content-type" content="text/html; charset=utf-8" />
- <title>RDF Schema 1.1</title>
-
-
-
- <style type="text/css">
- figure { text-align: center; }
- table td, table th { border: 1px solid #ddd; padding: 0.2em 0.5em; }
- </style>
- <style>/*****************************************************************
- * ReSpec 3 CSS
- * Robin Berjon - http://berjon.com/
- *****************************************************************/
-
-/* --- INLINES --- */
-em.rfc2119 {
- text-transform: lowercase;
- font-variant: small-caps;
- font-style: normal;
- color: #900;
-}
-
-h1 acronym, h2 acronym, h3 acronym, h4 acronym, h5 acronym, h6 acronym, a acronym,
-h1 abbr, h2 abbr, h3 abbr, h4 abbr, h5 abbr, h6 abbr, a abbr {
- border: none;
-}
-
-dfn {
- font-weight: bold;
-}
-
-a.internalDFN {
- color: inherit;
- border-bottom: 1px solid #99c;
- text-decoration: none;
-}
-
-a.externalDFN {
- color: inherit;
- border-bottom: 1px dotted #ccc;
- text-decoration: none;
-}
-
-a.bibref {
- text-decoration: none;
-}
-
-cite .bibref {
- font-style: normal;
-}
-
-code {
- color: #ff4500;
-}
-
-/* --- TOC --- */
-.toc a, .tof a {
- text-decoration: none;
-}
-
-a .secno, a .figno {
- color: #000;
-}
-
-ul.tof, ol.tof {
- list-style: none outside none;
-}
-
-.caption {
- margin-top: 0.5em;
- font-style: italic;
-}
-
-/* --- TABLE --- */
-table.simple {
- border-spacing: 0;
- border-collapse: collapse;
- border-bottom: 3px solid #005a9c;
-}
-
-.simple th {
- background: #005a9c;
- color: #fff;
- padding: 3px 5px;
- text-align: left;
-}
-
-.simple th[scope="row"] {
- background: inherit;
- color: inherit;
- border-top: 1px solid #ddd;
-}
-
-.simple td {
- padding: 3px 10px;
- border-top: 1px solid #ddd;
-}
-
-.simple tr:nth-child(even) {
- background: #f0f6ff;
-}
-
-/* --- DL --- */
-.section dd > p:first-child {
- margin-top: 0;
-}
-
-.section dd > p:last-child {
- margin-bottom: 0;
-}
-
-.section dd {
- margin-bottom: 1em;
-}
-
-.section dl.attrs dd, .section dl.eldef dd {
- margin-bottom: 0;
-}
-</style><style>/* --- EXAMPLES --- */
-div.example-title {
- min-width: 7.5em;
- color: #b9ab2d;
-}
-div.example-title span {
- text-transform: uppercase;
-}
-aside.example, div.example, div.illegal-example {
- padding: 0.5em;
- margin: 1em 0;
- position: relative;
- clear: both;
-}
-div.illegal-example { color: red }
-div.illegal-example p { color: black }
-aside.example, div.example {
- padding: .5em;
- border-left-width: .5em;
- border-left-style: solid;
- border-color: #e0cb52;
- background: #fcfaee;
-}
-
-aside.example div.example {
- border-left-width: .1em;
- border-color: #999;
- background: #fff;
-}
-aside.example div.example div.example-title {
- color: #999;
-}
-</style><style>/* --- ISSUES/NOTES --- */
-div.issue-title, div.note-title {
- padding-right: 1em;
- min-width: 7.5em;
- color: #b9ab2d;
-}
-div.issue-title { color: #e05252; }
-div.note-title { color: #2b2; }
-div.issue-title span, div.note-title span {
- text-transform: uppercase;
-}
-div.note, div.issue {
- margin-top: 1em;
- margin-bottom: 1em;
-}
-.note > p:first-child, .issue > p:first-child { margin-top: 0 }
-.issue, .note {
- padding: .5em;
- border-left-width: .5em;
- border-left-style: solid;
-}
-div.issue, div.note {
- padding: 1em 1.2em 0.5em;
- margin: 1em 0;
- position: relative;
- clear: both;
-}
-span.note, span.issue { padding: .1em .5em .15em; }
-
-.issue {
- border-color: #e05252;
- background: #fbe9e9;
-}
-.note {
- border-color: #52e052;
- background: #e9fbe9;
-}
-
-
-</style><link rel="stylesheet" href="https://www.w3.org/StyleSheets/TR/W3C-PER" />
-<!--[if lt IE 9]><script src='https://www.w3.org/2008/site/js/html5shiv.js'></script><![endif]-->
-</head>
- <body class="h-entry" role="document" id="respecDocument"><div class="head" role="contentinfo" id="respecHeader">
- <p>
-
- <a href="http://www.w3.org/"><img width="72" height="48" alt="W3C" src="https://www.w3.org/Icons/w3c_home" /></a>
-
- </p>
- <h1 property="dcterms:title" id="title" class="title p-name">RDF Schema 1.1</h1>
-
- <h2 content="2014-01-08T23:00:00.000Z" datatype="xsd:dateTime" property="dcterms:issued" id="w3c-proposed-edited-recommendation-09-january-2014"><abbr title="World Wide Web Consortium">W3C</abbr> Proposed Edited Recommendation <time datetime="2014-01-09" class="dt-published">09 January 2014</time></h2>
- <dl>
-
- <dt>This version:</dt>
- <dd><a href="http://www.w3.org/TR/2014/PER-rdf-schema-20140109/" class="u-url">http://www.w3.org/TR/2014/PER-rdf-schema-20140109/</a></dd>
- <dt>Latest published version:</dt>
- <dd><a href="http://www.w3.org/TR/rdf-schema/">http://www.w3.org/TR/rdf-schema/</a></dd>
-
-
- <dt>Latest editor's draft:</dt>
- <dd><a href="https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-schema/index.html">https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-schema/index.html</a></dd>
-
-
-
-
-
- <dt>Previous version:</dt>
- <dd><a href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/" rel="dcterms:replaces">http://www.w3.org/TR/2004/REC-rdf-schema-20040210/</a></dd>
-
-
- <dt>Editors:</dt>
- <dd inlist="" rel="bibo:editor" class="p-author h-card vcard"><span typeof="foaf:Person"><a href="http://danbri.org/" content="Dan Brickley" property="foaf:name" rel="foaf:homepage" class="u-url url p-name fn">Dan Brickley</a>, Google</span>
-</dd>
-<dd inlist="" rel="bibo:editor" class="p-author h-card vcard"><span typeof="foaf:Person"><span class="p-name fn" property="foaf:name">R.V. Guha</span>, Google</span>
-</dd>
-
-
-
-
-
- <dt>Previous Editors:</dt>
-
-
-
- <dd>
-
- Brian McBride
-
- </dd>
-
-
-
-
-
-
- </dl>
-
-
- <p>
-
- This document is also available in this non-normative format:
-
- <a href="diff.html" rel="alternate">diff w.r.t. 2004 Recommendation</a>
- </p>
-
-
-
-
- <p class="copyright">
- <a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> ©
- 2004-2014
-
- <a href="http://www.w3.org/"><abbr title="World Wide Web Consortium">W3C</abbr></a><sup>®</sup>
- (<a href="http://www.csail.mit.edu/"><abbr title="Massachusetts Institute of Technology">MIT</abbr></a>,
- <a href="http://www.ercim.eu/"><abbr title="European Research Consortium for Informatics and Mathematics">ERCIM</abbr></a>,
- <a href="http://www.keio.ac.jp/">Keio</a>, <a href="http://ev.buaa.edu.cn/">Beihang</a>),
-
- All Rights Reserved.
-
- <abbr title="World Wide Web Consortium">W3C</abbr> <a href="http://www.w3.org/Consortium/Legal/ipr-notice#Legal_Disclaimer">liability</a>,
- <a href="http://www.w3.org/Consortium/Legal/ipr-notice#W3C_Trademarks">trademark</a> and
-
- <a href="http://www.w3.org/Consortium/Legal/copyright-documents">document use</a>
-
- rules apply.
- </p>
-
-
- <hr />
-</div>
- <div class="head" role="contentinfo" id="respecHeader">
- <section id="abstract" class="introductory" property="dcterms:abstract" datatype="" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter"><h2 aria-level="1" role="heading" id="h2_abstract">Abstract</h2>
- <p>The Resource Description Framework (RDF) is a language for
- representing information about resources in the World Wide Web. RDF
- Schema provides a data-modelling vocabulary for RDF data. RDF Schema
- is an extension of the basic RDF vocabulary. </p>
- </section><section class="introductory" id="sotd" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter"><h2 aria-level="1" role="heading" id="h2_sotd">Status of This Document</h2>
-
-
-
- <p>
- <em>This section describes the status of this document at the time of its publication.
- Other documents may supersede this document. A list of current <abbr title="World Wide Web Consortium">W3C</abbr> publications and the
- latest revision of this technical report can be found in the <a href="http://www.w3.org/TR/"><abbr title="World Wide Web Consortium">W3C</abbr> technical reports index</a> at
- http://www.w3.org/TR/.</em>
- </p>
- This document is an edited version of the 2004 RDF
- Schema Recommendation. The purpose of this revision is to make this
- document available as part of the RDF 1.1 document set. Changes are
- limited to revised references, terminology updates, and adaptations to
- the introduction. The title of the document was changed from "RDF
- Vocabulary Description Language 1.0: RDF Schema" to "RDF Schema 1.1".
- The technical content of the document is unchanged. Details of the changes
- are listed in the <a href="#PER-changes">Changes</a> section.
- <p>
- This document was published by the <a href="http://www.w3.org/2011/rdf-wg/">RDF Working Group</a> as a Proposed Edited Recommendation.
-
- This document is intended to become a <abbr title="World Wide Web Consortium">W3C</abbr> Recommendation.
-
-
- If you wish to make comments regarding this document, please send them to
- <a href="mailto:public-rdf-comments@w3.org">public-rdf-comments@w3.org</a>
- (<a href="mailto:public-rdf-comments-request@w3.org?subject=subscribe">subscribe</a>,
- <a href="http://lists.w3.org/Archives/Public/public-rdf-comments/">archives</a>).
-
-
-
-
- All comments are welcome.
-
- </p>
-
-
- <p>
- Publication as a Proposed Edited Recommendation does not imply endorsement by the <abbr title="World Wide Web Consortium">W3C</abbr>
- Membership. This is a draft document and may be updated, replaced or obsoleted by other
- documents at any time. It is inappropriate to cite this document as other than work in
- progress.
- </p>
-
-
- <p>
-
- This document was produced by a group operating under the
- <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/" rel="w3p:patentRules" about="" id="sotd_patent">5 February 2004 <abbr title="World Wide Web Consortium">W3C</abbr> Patent
- Policy</a>.
-
-
-
-
- <abbr title="World Wide Web Consortium">W3C</abbr> maintains a <a rel="disclosure" href="http://www.w3.org/2004/01/pp-impl/46168/status">public list of any patent
- disclosures</a>
-
- made in connection with the deliverables of the group; that page also includes
- instructions for disclosing a patent. An individual who has actual knowledge of a patent
- which the individual believes contains
- <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/#def-essential">Essential
- Claim(s)</a> must disclose the information in accordance with
- <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/#sec-Disclosure">section
- 6 of the <abbr title="World Wide Web Consortium">W3C</abbr> Patent Policy</a>.
-
-
- </p>
-
-
-
-
-</section><section id="toc"><h2 class="introductory" aria-level="1" role="heading" id="h2_toc">Table of Contents</h2><ul class="toc" role="directory" id="respecContents"><li class="tocline"><a href="#ch_introduction" class="tocxref"><span class="secno">1. </span>Introduction</a></li><li class="tocline"><a href="#ch_classes" class="tocxref"><span class="secno">2. </span>Classes</a><ul class="toc"><li class="tocline"><a href="#ch_resource" class="tocxref"><span class="secno">2.1 </span>rdfs:Resource</a></li><li class="tocline"><a href="#ch_class" class="tocxref"><span class="secno">2.2 </span>rdfs:Class</a></li><li class="tocline"><a href="#ch_literal" class="tocxref"><span class="secno">2.3 </span>rdfs:Literal</a></li><li class="tocline"><a href="#ch_datatype" class="tocxref"><span class="secno">2.4 </span>rdfs:Datatype</a></li><li class="tocline"><a href="#ch_langstring" class="tocxref"><span class="secno">2.5 </span>rdf:langString</a></li><li class="tocline"><a href="#ch_html" class="tocxref"><span class="secno">2.6 </span>rdf:HTML</a></li><li class="tocline"><a href="#ch_xmlliteral" class="tocxref"><span class="secno">2.7 </span>rdf:XMLLiteral</a></li><li class="tocline"><a href="#ch_property" class="tocxref"><span class="secno">2.8 </span>rdf:Property</a></li></ul></li><li class="tocline"><a href="#ch_properties" class="tocxref"><span class="secno">3. </span>Properties</a><ul class="toc"><li class="tocline"><a href="#ch_range" class="tocxref"><span class="secno">3.1 </span>rdfs:range</a></li><li class="tocline"><a href="#ch_domain" class="tocxref"><span class="secno">3.2 </span>rdfs:domain</a></li><li class="tocline"><a href="#ch_type" class="tocxref"><span class="secno">3.3 </span>rdf:type</a></li><li class="tocline"><a href="#ch_subclassof" class="tocxref"><span class="secno">3.4 </span>rdfs:subClassOf</a></li><li class="tocline"><a href="#ch_subpropertyof" class="tocxref"><span class="secno">3.5 </span>rdfs:subPropertyOf</a></li><li class="tocline"><a href="#ch_label" class="tocxref"><span class="secno">3.6 </span>rdfs:label</a></li><li class="tocline"><a href="#ch_comment" class="tocxref"><span class="secno">3.7 </span>rdfs:comment</a></li></ul></li><li class="tocline"><a href="#ch_domainrange" class="tocxref"><span class="secno">4. </span>Using the Domain and Range vocabulary</a></li><li class="tocline"><a href="#ch_othervocab" class="tocxref"><span class="secno">5. </span>Other vocabulary</a><ul class="toc"><li class="tocline"><a href="#ch_containervocab" class="tocxref"><span class="secno">5.1 </span>Container Classes and Properties</a><ul class="toc"><li class="tocline"><a href="#ch_container" class="tocxref"><span class="secno">5.1.1 </span>rdfs:Container</a></li><li class="tocline"><a href="#ch_bag" class="tocxref"><span class="secno">5.1.2 </span>rdf:Bag</a></li><li class="tocline"><a href="#ch_seq" class="tocxref"><span class="secno">5.1.3 </span>rdf:Seq</a></li><li class="tocline"><a href="#ch_alt" class="tocxref"><span class="secno">5.1.4 </span>rdf:Alt</a></li><li class="tocline"><a href="#ch_containermembershipproperty" class="tocxref"><span class="secno">5.1.5 </span>rdfs:ContainerMembershipProperty</a></li><li class="tocline"><a href="#ch_member" class="tocxref"><span class="secno">5.1.6 </span>rdfs:member</a></li></ul></li><li class="tocline"><a href="#ch_collectionvocab" class="tocxref"><span class="secno">5.2 </span>RDF Collections</a><ul class="toc"><li class="tocline"><a href="#ch_list" class="tocxref"><span class="secno">5.2.1 </span>rdf:List</a></li><li class="tocline"><a href="#ch_first" class="tocxref"><span class="secno">5.2.2 </span>rdf:first</a></li><li class="tocline"><a href="#ch_rest" class="tocxref"><span class="secno">5.2.3 </span>rdf:rest</a></li><li class="tocline"><a href="#ch_nil" class="tocxref"><span class="secno">5.2.4 </span>rdf:nil</a></li></ul></li><li class="tocline"><a href="#ch_reificationvocab" class="tocxref"><span class="secno">5.3 </span>Reification Vocabulary</a><ul class="toc"><li class="tocline"><a href="#ch_statement" class="tocxref"><span class="secno">5.3.1 </span>rdf:Statement</a></li><li class="tocline"><a href="#ch_subject" class="tocxref"><span class="secno">5.3.2 </span>rdf:subject</a></li><li class="tocline"><a href="#ch_predicate" class="tocxref"><span class="secno">5.3.3 </span>rdf:predicate</a></li><li class="tocline"><a href="#ch_object" class="tocxref"><span class="secno">5.3.4 </span>rdf:object</a></li></ul></li><li class="tocline"><a href="#ch_utilvocab" class="tocxref"><span class="secno">5.4 </span>Utility Properties</a><ul class="toc"><li class="tocline"><a href="#ch_seealso" class="tocxref"><span class="secno">5.4.1 </span>rdfs:seeAlso</a></li><li class="tocline"><a href="#ch_isdefinedby" class="tocxref"><span class="secno">5.4.2 </span>rdfs:isDefinedBy</a></li><li class="tocline"><a href="#ch_value" class="tocxref"><span class="secno">5.4.3 </span>rdf:value</a></li></ul></li></ul></li><li class="tocline"><a href="#ch_summary" class="tocxref"><span class="secno">6. </span>RDF Schema summary</a><ul class="toc"><li class="tocline"><a href="#ch_sumclasses" class="tocxref"><span class="secno">6.1 </span>RDF classes</a></li><li class="tocline"><a href="#ch_sumproperties" class="tocxref"><span class="secno">6.2 </span>RDF properties</a></li></ul></li><li class="tocline"><a href="#ch_acknowledgements" class="tocxref"><span class="secno">A. </span>Acknowledgments</a></li><li class="tocline"><a href="#changes" class="tocxref"><span class="secno">B. </span>Change history</a><ul class="toc"><li class="tocline"><a href="#PER-changes" class="tocxref"><span class="secno">B.1 </span>Changes for Proposed Edited Recommendation in 2013</a></li><li class="tocline"><a href="#2004-changes" class="tocxref"><span class="secno">B.2 </span>Changes history of the 2004 Recommendation</a></li></ul></li><li class="tocline"><a href="#references" class="tocxref"><span class="secno">C. </span>References</a><ul class="toc"><li class="tocline"><a href="#normative-references" class="tocxref"><span class="secno">C.1 </span>Normative references</a></li><li class="tocline"><a href="#informative-references" class="tocxref"><span class="secno">C.2 </span>Informative references</a></li></ul></li></ul></section>
-
- </div>
- <section id="ch_introduction" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_ch_introduction"><span class="secno">1. </span>Introduction</h2>
-
- <p>The Resource Description Framework (RDF) is a general-purpose language
- for
- representing information in the Web.</p>
- <p>RDF Schema provides a data-modelling vocabulary for RDF data.
- It is complemented by several companion documents which
- describe the basic concepts and abstract stntax of RDF
- [<cite><a class="bibref" href="#bib-RDF11-CONCEPTS">RDF11-CONCEPTS</a></cite>], the formal semantics of RDF [<cite><a class="bibref" href="#bib-RDF11-MT">RDF11-MT</a></cite>], and
- various concrete syntaxes for RDF, such as Turtle [<cite><a class="bibref" href="#bib-TURTLE">TURTLE</a></cite>],
- TriG, [<cite><a class="bibref" href="#bib-TRIG">TRIG</a></cite>], and JSON-LD [<cite><a class="bibref" href="#bib-JSON-LD">JSON-LD</a></cite>]. The RDF Primer
- [<cite><a class="bibref" href="#bib-RDF11-PRIMER">RDF11-PRIMER</a></cite>] provides an informal introduction and
- examples of the use of the concepts specified in this document.</p>
- <p>This document is intended to provide a clear specification of RDF
- Schema to those who find the formal semantics
- specification [<cite><a class="bibref" href="#bib-RDF11-MT">RDF11-MT</a></cite>]
- daunting. Thus, this document duplicates material also specified in the
- RDF
- Semantics specification. Where there is disagreement between this
- document
- and the RDF Semantics specification, the RDF Semantics specification
- should
- be taken to be correct.</p>
-
-<!--
-<p>RDF properties may be thought of as attributes of resources and inthis sense correspond to traditional attribute-value pairs. RDF
-properties also represent relationships between resources.</p>
-<p>RDF however, provides no mechanisms for describing these properties, nordoes it provide any mechanisms for describing the relationships between these
-properties and other resources. That is the role of the RDF vocabularydescription language, RDF Schema. RDF Schema defines classes and properties
-that may be used to describe classes, properties and other resources.</p>
-<p>This document does not specify a vocabulary of descriptive properties suchas "author". Instead it specifies mechanisms that may be used to name and
-describe properties and the classes of resource they describe.</p>-->
-
- <p>
- RDF Schema is a <a href="http://www.w3.org/TR/rdf11-mt/#semantic-extensions-and-entailment-regimes">semantic
- extension</a> of RDF. It provides mechanisms for describing groups of
- related resources and the relationships between these resources. RDF
- Schema is written in RDF
- using the terms described in this document. These resources are used to
- determine characteristics of other resources, such as the <a href="#ch_domain">domains</a>
- and <a href="#ch_range">ranges</a> of properties.
- </p>
- <p>The RDF Schema class and property system is similar to the type
- systems of object-oriented programming languages such as Java. RDF
- Schema differs from many such systems in that instead of defining a
- class in
- terms of the properties its instances may have, RDF Schema
- describes properties in terms of the classes of
- resource to which they apply. This is the role of the <a href="#ch_domain">domain</a>
- and <a href="#ch_range">range</a>
- mechanisms described in this specification. For example, we could
- define the <code>eg:author</code> property to have a domain of <code>eg:Document</code>
- and a range of
- <code>eg:Person</code>, whereas a classical object oriented system might
- typically define a class <code>eg:Book</code> with an attribute called
- <code>eg:author</code> of type <code>eg:Person</code>. Using the RDF
- approach, it is easy for others to subsequently define additional
- properties with a domain of eg:<code>Document</code> or a range of
- <code>eg:Person</code>. This can be done without the need to re-define
- the original description of
- these classes. One benefit of the RDF property-centric approach is that
- it
- allows anyone to extend the description of existing resources, one of
- the
- architectural principles of the Web [<cite><a class="bibref" href="#bib-BERNERS-LEE98">BERNERS-LEE98</a></cite>].</p>
- <p>This specification does not attempt to enumerate all the possible forms
- of
- representing the meaning of RDF
- classes and properties. Instead, the RDF Schema strategy is
- to acknowledge that there are many techniques through which the meaning
- of
- classes and properties can be described. Richer vocabulary or 'ontology'
- languages such as OWL [<cite><a class="bibref" href="#bib-OWL2-OVERVIEW">OWL2-OVERVIEW</a></cite>], inference rule
- languages and other formalisms (for example temporal logics) will each
- contribute to our ability to capture meaningful generalizations about
- data in
- the Web.
-
-<!--
-RDF vocabulary designers can create and deploy Semantic Webapplications using the RDF Schema facilities,
-while exploring richer languages that share thisgeneral approach.
--->
-</p>
- <p>The language defined in this specification consists of a collection of
- RDF resources that can be used to describe other RDF resources in
- application-specific RDF vocabularies. The core vocabulary is defined in
- a namespace informally called <code>rdfs</code> here. That namespace is
- identified by the IRI</p>
- <blockquote>
- <code>http://www.w3.org/2000/01/rdf-schema#</code>
- </blockquote>
- and is conventionally associated with the prefix <code>rdfs:</code>. This
- specification also uses the prefix
- <code>rdf:</code> to refer to the RDF namespace
- <p></p>
- <blockquote>
- <code>http://www.w3.org/1999/02/22-rdf-syntax-ns#</code>
- </blockquote>
- <p>For convenience and readability, this specification uses an abbreviated
- form to represent IRIs. A name of the form prefix:suffix should be
- interpreted as a IRI consisting of the IRI associated
- with the prefix concatenated with the suffix.</p>
- </section>
- <section id="ch_classes" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_ch_classes"><span class="secno">2. </span>Classes</h2>
- <p>Resources may be divided into groups called classes. The members of a
- class are known as <em>instances</em> of the class. Classes are
- themselves
- resources. They are often identified by <a href="http://www.w3.org/TR/rdf11-concepts/#section-IRIs">IRIs</a>
- and
- may be described using RDF properties. The <code><a href="#ch_type">rdf:type</a></code>
- property may be used to state that a
- resource is an instance of a class.</p>
- <p>RDF distinguishes between a class and the set of its instances.
- Associated
- with each class is a set, called the class extension of the class, which
- is
- the set of the instances of the class. Two classes may have the same set
- of
- instances but be different classes. For example, the tax office may
- define
- the class of people living at the same address as the editor of this
- document. The Post Office may define the class of people whose address
- has
- the same zip code as the address of the author. It is possible for these
- classes to have exactly the same instances, yet to have different
- properties.
- Only one of the classes has the property that it was defined by the tax
- office, and only the other has the property that it was defined by the
- Post
- Office.</p>
- <p>A class may be a member of its own class extension and may be an
- instance of itself. </p>
- <p>The group of resources that are RDF Schema classes is itself a class
- called <a href="#ch_class"><code>rdfs:Class</code></a>.</p>
- <p id="def-subclass">
- If a class C is a <em>subclass</em> of a class C', then all instances
- of C will
- also be instances of C'. The <a href="#ch_subclassof"><code>rdfs:subClassOf</code></a>
- property may be used to state that one class is a subclass of another.
- The term super-class is used as the inverse of subclass. If a class C'
- is a super-class of a class C, then all instances of C are also
- instances of C'.
- </p>
- <p>The RDF Concepts and Abstract Syntax [<cite><a class="bibref" href="#bib-RDF11-CONCEPTS">RDF11-CONCEPTS</a></cite>] specification
- defines the RDF concept of an <a href="http://www.w3.org/TR/rdf11-concepts/#section-Datatypes">RDF
- datatype</a>. All datatypes are classes. The instances of a class that
- is a
- datatype are the members of the value space of the datatype.</p>
- <section id="ch_resource" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_resource"><span class="secno">2.1 </span>rdfs:Resource</h3>
- <p>All things described by RDF are called <em>resources</em>, and are
- instances of the class <code>rdfs:Resource</code>. This is the class
- of
- everything. All other classes are <a href="#def-subclass">subclasses</a>
- of
- this class. <code>rdfs:Resource</code> is an instance of <a href="#ch_class"><code>rdfs:Class</code></a>.</p>
- </section>
- <section id="ch_class" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_class"><span class="secno">2.2 </span>rdfs:Class</h3>
- <p>This is the class of resources that are RDF classes.
- <code>rdfs:Class</code> is an instance of <code>rdfs:Class.</code></p>
- </section>
- <section id="ch_literal" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_literal"><span class="secno">2.3 </span>rdfs:Literal</h3>
- <p>The class <code>rdfs:Literal</code> is the class of <a href="http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal">literal</a>
- values such as strings and integers. Property values such as textual
- strings are examples of RDF literals.</p>
- <p><code>rdfs:Literal</code> is an instance of <a href="#ch_class"><code>rdfs:Class</code></a>.
- rdfs:Literal is a <a href="#def-subclass">subclass</a> of <a href="#ch_resource">rdfs:Resource</a>.</p>
- </section>
- <section id="ch_datatype" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_datatype"><span class="secno">2.4 </span>rdfs:Datatype</h3>
- <p><code>rdfs:Datatype</code> is the class of datatypes. All instances
- of
- <code>rdfs:Datatype</code> correspond to the <a href="http://www.w3.org/TR/rdf11-concepts/#section-Datatypes">RDF
-model
- of a datatype</a> described in the RDF Concepts specification
- [<cite><a class="bibref" href="#bib-RDF11-CONCEPTS">RDF11-CONCEPTS</a></cite>].
- <code>rdfs:Datatype</code> is
- both an instance of and a <a href="#def-subclass">subclass</a> of <a href="#ch_class"><code>rdfs:Class</code></a>. Each instance of <code>rdfs:Datatype</code>
- is a <a href="#def-subclass">subclass</a> of rdfs:Literal.</p>
- </section>
- <section id="ch_langstring" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_langstring"><span class="secno">2.5 </span>rdf:langString</h3>
- <p>The class <code>rdf:langString</code> is the class of <a href="http://www.w3.org/TR/rdf11-concepts/#dfn-language-tagged-string">language-tagged
- string values</a>. <code>rdf:langString</code> is an instance of
- <code>rdfs:Datatype</code> and a <a href="#def-subclass">subclass</a>
- of <a href="#ch_literal"><code>rdfs:Literal</code></a>.</p>
- </section>
- <section class="informative" id="ch_html" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_html"><span class="secno">2.6 </span>rdf:HTML</h3><p><em>This section is non-normative.</em></p>
- <p>The class <code>rdf:HTML</code> is the class of <a href="http://www.w3.org/TR/rdf11-concepts/#section-html">HTML
-literal
- values</a>. <code>rdf:HTML</code> is an instance of
- <code>rdfs:Datatype</code> and a <a href="#def-subclass">subclass</a>
- of <a href="#ch_literal"><code>rdfs:Literal</code></a>.</p>
- </section>
- <section class="informative" id="ch_xmlliteral" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_xmlliteral"><span class="secno">2.7 </span>rdf:XMLLiteral</h3><p><em>This section is non-normative.</em></p>
- <p>The class <code>rdf:XMLLiteral</code> is the class of <a href="http://www.w3.org/TR/rdf11-concepts/#section-XMLLiteral">XML
-literal
- values</a>. <code>rdf:XMLLiteral</code> is an instance of
- <code>rdfs:Datatype</code> and a <a href="#def-subclass">subclass</a>
- of <a href="#ch_literal"><code>rdfs:Literal</code></a>.</p>
- </section>
- <section id="ch_property" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_property"><span class="secno">2.8 </span>rdf:Property</h3>
- <p><code>rdf:Property</code> is the class of RDF properties.
- <code>rdf:Property</code> is an instance of <a href="#ch_class"><code>rdfs:Class</code></a>.</p>
- </section>
- </section>
- <section id="ch_properties" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_ch_properties"><span class="secno">3. </span>Properties</h2>
- <p>The RDF Concepts and Abstract Syntax specification [<cite><a class="bibref" href="#bib-RDF11-CONCEPTS">RDF11-CONCEPTS</a></cite>]
- describes the concept of an RDF property as a relation between subject
- resources and object resources.</p>
- <p id="def-subproperty">
- This specification defines the concept of subproperty. The <a href="#ch_subclassof"><code>rdfs:subPropertyOf</code></a>
- property may be used to state that one property is a subproperty of
- another.
- If a property P is a subproperty of property P', then all pairs of
- resources which are related by P are also related by P'. The term
- super-property is often
- used as the inverse of subproperty. If a property P' is a super-property
- of a property P, then all pairs of resources which are related by P are
- also related by P'. This specification does not define a top
- property that is the super-property of all properties.
- </p>
- <div class="note"><div class="note-title" aria-level="2" role="heading" id="h_note_1"><span>Note</span></div><p class="">
- The basic facilities provided by <a href="#ch_domain"><code>rdfs:domain</code></a>
- and <a href="#ch_range"><code>rdfs:range</code></a> do not provide any
- direct way to indicate property restrictions that are local to a class.
- Although it is possible to combine use <a href="#ch_domain"><code>rdfs:domain</code></a>
- and <a href="#ch_range"><code>rdfs:range</code></a> with sub-property
- hierarchies, direct support for such declarations are provided by richer
- Web Ontology languages such as OWL [<cite><a class="bibref" href="#bib-OWL2-OVERVIEW">OWL2-OVERVIEW</a></cite>].
- </p></div>
- <section id="ch_range" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_range"><span class="secno">3.1 </span>rdfs:range</h3>
- <p><code>rdfs:range</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to state that
- the values of a property are instances of one or more classes.</p>
- <p>The triple</p>
- <blockquote> <code>P rdfs:range C</code>
- </blockquote>
- <p>states that P is an instance of the class <a href="#ch_property"><code>rdf:Property</code></a>,
- that C is an instance of the class <a href="#ch_class"><code>rdfs:Class</code></a>
- and that the resources denoted by the objects of triples whose
- predicate is P are instances of the class C.</p>
- <p>Where P has more than one rdfs:range property, then the resources
- denoted by the objects of triples with predicate P are instances of
- all the classes stated by the <code>rdfs:range</code> properties.</p>
- <p>The <code>rdfs:range</code> property can be applied to itself. The
- rdfs:range of <code>rdfs:range</code> is the class <a href="#ch_class"><code>rdfs:Class</code></a>.
- This states that any resource
- that is the value of an <code>rdfs:range</code> property is an
- instance of <a href="#ch_class"><code>rdfs:Class</code></a>.</p>
- <p>The <code>rdfs:range</code> property is applied to properties. This
- can be represented in RDF using the <a href="#ch_domain"><code>rdfs:domain</code></a>
- property. The <a href="#ch_domain"><code>rdfs:domain</code></a> of <code>rdfs:range</code>
- is
- the class <a href="#ch_property"><code>rdf:Property</code></a>. This
- states
- that any resource with an <code>rdfs:range</code> property is an
- instance of
- <code><a href="#ch_property">rdf:Property</a></code>.</p>
- </section>
- <section id="ch_domain" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_domain"><span class="secno">3.2 </span>rdfs:domain</h3>
- <p><code>rdfs:domain</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to state that
- any resource that has a given property is an instance of one or more
- classes.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>P rdfs:domain C</code>
- </blockquote>
- <p>states that P is an instance of the class <code><a href="#ch_property">rdf:Property</a></code>,
- that C is a instance of the class <code><a href="#ch_class">rdfs:Class</a></code>
- and that the resources denoted by the subjects of triples whose
- predicate is P are instances of the class C.</p>
- <p>Where a property P has more than one rdfs:domain property, then the
- resources denoted by subjects of triples with predicate P are
- instances of all the classes stated by the <code>rdfs:domain</code>
- properties.</p>
- <p>The <code>rdfs:domain</code> property may be applied to itself. The
- rdfs:domain of <code>rdfs:domain</code> is the class <a href="#ch_property"><code>rdf:Property</code></a>.
- This states that any
- resource with an <code>rdfs:domain</code> property is an instance of
- <code><a href="#ch_property">rdf:Property</a></code>.</p>
- <p>The <a href="#ch_range"><code>rdfs:range</code></a> of
- <code>rdfs:domain</code> is the class <code><a href="#ch_class">rdfs:Class</a></code>.
- This states that any resource that is the value of an <code>rdfs:domain</code>
- property is an
- instance of <code><a href="#ch_class">rdfs:Class</a></code>.</p>
- </section>
- <section id="ch_type" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_type"><span class="secno">3.3 </span>rdf:type</h3>
- <p><code>rdf:type</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to
- state that a resource is an instance of a class.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>R rdf:type C</code>
- </blockquote>
- <p>states that C is an instance of <a href="#ch_class"><code>rdfs:Class</code></a>
- and R is an instance of C.</p>
- <p>The <code><a href="#ch_domain">rdfs:domain</a></code> of
- <code>rdf:type</code> is <a href="#ch_resource">rdfs:Resource</a>.
- The <a href="#ch_range"><code>rdfs:range</code></a> of rdf:type is <a href="#ch_class"><code>rdfs:Class</code></a>.</p>
- </section>
- <section id="ch_subclassof" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_subclassof"><span class="secno">3.4 </span>rdfs:subClassOf</h3>
- <p>The property <code>rdfs:subClassOf</code> is an instance of <code><a href="#ch_property">rdf:Property</a></code> that is used to state
- that all the instances of one class are instances of another.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>C1 rdfs:subClassOf C2</code>
- </blockquote>
- <p>states that C1 is an instance of <code><a href="#ch_class">rdfs:Class</a></code>,
- C2 is an instance of <code><a href="#ch_class">rdfs:Class</a></code>
- and C1 is a <a href="#def-subclass">subclass</a> of C2. The <code>rdfs:subClassOf</code>
- property is transitive.</p>
- <p>The <a href="#ch_domain"><code>rdfs:domain</code></a> of
- <code>rdfs:subClassOf</code> is <code><a href="#ch_class">rdfs:Class</a></code>.
- The <a href="#ch_range"><code>rdfs:range</code></a> of <code>rdfs:subClassOf</code>
- is <a href="#ch_class"><code>rdfs:Class</code></a>.</p>
- </section>
- <section id="ch_subpropertyof" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_subpropertyof"><span class="secno">3.5 </span>rdfs:subPropertyOf</h3>
- <p>The property <code>rdfs:subPropertyOf</code> is an instance of <code><a href="#ch_property">rdf:Property</a></code> that is used to state
- that all resources related by one property are also related by
- another.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>P1 rdfs:subPropertyOf P2</code>
- </blockquote>
- <p>states that P1 is an instance of <code><a href="#ch_property">rdf:Property</a></code>,
- P2 is an instance of <code><a href="#ch_property">rdf:Property</a></code>
- and P1 is a <a href="#def-subproperty">subproperty</a> of P2. The
- <code>rdfs:subPropertyOf</code> property is transitive.</p>
- <p>The <a href="#ch_domain"><code>rdfs:domain</code></a> of
- <code>rdfs:subPropertyOf</code> is <code><a href="#ch_property">rdf:Property</a></code>.
- The <a href="#ch_range"><code>rdfs:range</code></a> of
- rdfs:subPropertyOf is <a href="#ch_property"><code>rdf:Property</code></a>.</p>
- </section>
- <section id="ch_label" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_label"><span class="secno">3.6 </span>rdfs:label</h3>
- <p><code>rdfs:label</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that may be used to provide a human-readable version of a resource's
- name.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>R rdfs:label L</code>
- </blockquote>
- <p>states that L is a human readable label for R.</p>
- <p>The <a href="#ch_domain"><code>rdfs:domain</code></a> of
- <code>rdfs:label</code> is <code><a href="#ch_resource">rdfs:Resource</a></code>.
- The <a href="#ch_range"><code>rdfs:range</code></a> of rdfs:label is
- <a href="#ch_literal"><code>rdfs:Literal</code></a>.</p>
- <p>Multilingual labels are supported using the <a href="http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal">language
- tagging</a> facility of RDF literals.</p>
- </section>
- <section id="ch_comment" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_comment"><span class="secno">3.7 </span>rdfs:comment</h3>
- <p><code>rdfs:comment</code> is an instance of <code><a href="#ch_property">rdf:Property</a></code>
- that may be used to provide a human-readable description of a
- resource.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>R rdfs:comment L</code>
- </blockquote>
- <p>states that L is a human readable description of R.</p>
- <p>The <a href="#ch_domain"><code>rdfs:domain</code></a> of
- <code>rdfs:comment</code> is <code><a href="#ch_resource">rdfs:Resource</a></code>.
- The <a href="#ch_range"><code>rdfs:range</code></a> of rdfs:comment
- is <a href="#ch_literal"><code>rdfs:Literal</code></a>.</p>
- <p>A textual comment helps clarify the meaning of RDF classes and
- properties.
- Such in-line documentation complements the use of both formal
- techniques
- (Ontology and rule languages) and informal (prose documentation,
- examples,
- test cases). A variety of documentation forms can be combined to
- indicate the
- intended meaning of the classes and properties described in an RDF
- vocabulary. Since RDF vocabularies are expressed as RDF graphs,
- vocabularies
- defined in other namespaces may be used to provide richer
- documentation.</p>
- <p>Multilingual documentation is supported through use of the <a href="http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal">language
- tagging</a> facility of RDF literals.</p>
- </section>
- </section>
- <section id="ch_domainrange" class="informative" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_ch_domainrange"><span class="secno">4. </span>Using the Domain and Range vocabulary</h2><p><em>This section is non-normative.</em></p>
- <p>This specification introduces an RDF vocabulary for describing the
- meaningful use of properties and classes in RDF data. For example, an
- RDF
- vocabulary might describe limitations on the types of values that are
- appropriate for some property, or on the classes to which it makes sense
- to
- ascribe such properties.</p>
- <p>RDF Schema provides a mechanism for describing this information, but
- does not say whether or how an application should use it. For example,
- while an RDF vocabulary can assert that an <code>author</code> property
- is used to
- indicate resources that are instances of the class <code>Person</code>,
- it
- does not say whether or how an application should act in processing that
- range information. Different applications will use this information in
- different ways. For example, data checking tools might use this to help
- discover errors in some data set, an interactive editor might suggest
- appropriate values, and a reasoning application might use it to infer
- additional information from instance data.</p>
- <p>RDF vocabularies can describe relationships between vocabulary items
- from
- multiple independently developed vocabularies. Since IRIs are used
- to identify classes and properties on the Web, it is possible to create
- new
- properties that have a <code>domain</code> or <code>range</code> whose
- value
- is a class defined in another namespace.</p>
- </section>
- <section id="ch_othervocab" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_ch_othervocab"><span class="secno">5. </span>Other vocabulary</h2>
- <p>Additional classes and properties, including constructs for
- representing
- containers and RDF statements, and for deploying RDF vocabulary
- descriptions
- in the World Wide Web, are defined in this section.</p>
- <section class="informative" id="ch_containervocab" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_containervocab"><span class="secno">5.1 </span>Container Classes and Properties</h3><p><em>This section is non-normative.</em></p>
- <p>RDF containers are resources that are used to represent collections.
- The same resource may appear in a container more than
- once. Unlike containment in the physical world, a container may be
- contained in itself.</p>
- <p>Three different kinds of container are defined. Whilst the formal
- semantics [<cite><a class="bibref" href="#bib-RDF11-MT">RDF11-MT</a></cite>] of all three classes of container are
- identical,
- different classes may be used to indicate informally further
- information. An rdf:Bag is used to indicate that the container is
- intended to be unordered. An rdf:Seq is used to indicate that the
- order indicated by the numerical order of the <a href="#ch_containermembershipproperty">container
- membership properties</a>
- of the container is intended to be significant. An rdf:Alt container
- is used
- to indicate that typical processing of the container will be to select
- one of
- the members.</p>
- <p>Just as a hen house may have the property that it is made of wood,
- that
- does not mean that all the hens it contains are made of wood, a
- property of a
- container is not necessarily a property of all of its members.</p>
- <p>RDF containers are defined by the following classes and properties.</p>
- <section id="ch_container" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_container"><span class="secno">5.1.1 </span>rdfs:Container</h4>
- <p>The <code>rdfs:Container</code> class is a super-class of the RDF
- Container classes, i.e. <code><a href="#ch_bag">rdf:Bag</a></code>,
- <code><a href="#ch_seq">rdf:Seq</a></code>, <code><a href="#ch_alt">rdf:Alt</a></code>.</p>
- </section>
- <section id="ch_bag" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_bag"><span class="secno">5.1.2 </span>rdf:Bag</h4>
- <p>The <code>rdf:Bag</code> class is the class of RDF 'Bag'
- containers. It is
- a <a href="#def-subclass">subclass</a> of <code><a href="#ch_container">rdfs:Container</a></code>.
- Whilst formally it is no
- different from an <code><a href="#ch_seq">rdf:Seq</a></code> or an
- <code><a href="#ch_alt">rdf:Alt</a></code>, the <code>rdf:Bag</code>
- class is used
- conventionally to indicate to a human reader that the container is
- intended
- to be unordered.</p>
- </section>
- <section id="ch_seq" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_seq"><span class="secno">5.1.3 </span>rdf:Seq</h4>
- <p>The <code>rdf:Seq</code> class is the class of RDF 'Sequence'
- containers.
- It is a <a href="#def-subclass">subclass</a> of <code><a href="#ch_container">rdfs:Container</a></code>.
- Whilst formally it is no
- different from an <code><a href="#ch_bag">rdf:Bag</a></code> or an
- <code><a href="#ch_alt">rdf:Alt</a></code>, the <code>rdf:Seq</code>
- class is used
- conventionally to indicate to a human reader that the numerical
- ordering of
- the <a href="#ch_containermembershipproperty">container membership
- properties</a> of the container is intended to be significant.</p>
- </section>
- <section id="ch_alt" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_alt"><span class="secno">5.1.4 </span>rdf:Alt</h4>
- <p>The <code>rdf:Alt</code> class is the class of RDF 'Alternative'
- containers. It is a <a href="#def-subclass">subclass</a> of <code><a href="#ch_container">rdfs:Container</a></code>. Whilst formally
- it is no
- different from an <code><a href="#ch_seq">rdf:Seq</a></code> or an
- <code><a href="#ch_bag">rdf:Bag</a></code>, the <code>rdf:Alt</code>
- class is used
- conventionally to indicate to a human reader that typical processing
- will be
- to select one of the members of the container. The first member of
- the
- container, i.e. the value of the <code><a href="#ch_containermembershipproperty">rdf:_1</a></code>
- property, is the
- default choice.</p>
- </section>
- <section id="ch_containermembershipproperty" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_containermembershipproperty"><span class="secno">5.1.5 </span>rdfs:ContainerMembershipProperty</h4>
- <p>The <code>rdfs:ContainerMembershipProperty</code> class has as
- instances
- the properties <code>rdf:_1, rdf:_2, rdf:_3 ...</code> that are
- used to state
- that a resource is a member of a container.
- <code>rdfs:ContainerMembershipProperty</code> is a <a href="#def-subclass">subclass</a>
- of <a href="#ch_property"><code>rdf:Property</code></a>. Each
- instance of
- <code>rdfs:ContainerMembershipProperty</code> is an <a href="#ch_subpropertyof"><code>rdfs:subPropertyOf</code></a>
- the <code><a href="#ch_member">rdfs:member</a></code> property.</p>
- <p>Given a container C, a triple of the form:</p>
- <blockquote> <code>C rdf:_nnn O</code>
- </blockquote>
- <p>where <code>nnn</code> is the decimal representation of an integer
- greater than 0 with
- no leading zeros, states that O is a member of the container C.</p>
- <p>Container membership properties may be applied to resources other
- than containers.</p>
- </section>
- <section id="ch_member" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_member"><span class="secno">5.1.6 </span>rdfs:member</h4>
- <p><code>rdfs:member</code> is an instance of <code><a href="#ch_property">rdf:Property</a></code>
- that is a super-property of all
- the container membership properties i.e. each container membership
- property
- has an <a href="#ch_subpropertyof"><code>rdfs:subPropertyOf</code></a>
- relationship to the property <code>rdfs:member</code>.</p>
- <p>The <a href="#ch_domain"><code>rdfs:domain</code></a> of
- <code>rdfs:member</code> is <code><a href="#ch_resource">rdfs:Resource</a></code>.
- The <a href="#ch_range"><code>rdfs:range</code></a> of <code>rdfs:member</code>
- is
- <code><a href="#ch_resource">rdfs:Resource</a></code>.</p>
- </section>
- </section>
- <section class="informative" id="ch_collectionvocab" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_collectionvocab"><span class="secno">5.2 </span>RDF Collections</h3><p><em>This section is non-normative.</em></p>
- <p>RDF containers are open in the sense that the core RDF specifications
- define no mechanism to state that there are no more members. The RDF
- Collection vocabulary of classes and properties can describe a closed
- collection, i.e. one that can have no more members.</p>
- <p>A collection is represented as a list of items, a representation that
- will be familiar to those with experience of Lisp and similar
- programming languages. There is a <a href="http://www.w3.org/TR/turtle/#collections">shorthand
- notation</a> in the Turtle syntax specification for representing
- collections.</p>
- <div class="note"><div class="note-title" aria-level="3" role="heading" id="h_note_2"><span>Note</span></div><p class="">
- RDFS does not require that there be only one first element of a
- list-like structure, or even that a list-like structure have a first
- element.
- </p></div>
- <section id="ch_list" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_list"><span class="secno">5.2.1 </span>rdf:List</h4>
- <p><code>rdf:List</code> is an instance of <a href="#ch_class"><code>rdfs:Class</code></a>
- that can be used to build descriptions of lists and other list-like
- structures.
- </p>
- </section>
- <section id="ch_first" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_first"><span class="secno">5.2.2 </span>rdf:first</h4>
- <p><code>rdf:first</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that can be used to build descriptions of lists and other list-like
- structures.
- </p>
- <p>A triple of the form:</p>
- <blockquote> <code>L rdf:first O</code>
- </blockquote>
- <p>states that there is a first-element relationship between L and O.</p>
- <p>
- The <a href="#ch_domain"><code>rdfs:domain</code></a> of <code>rdf:first</code>
- is <code><a href="#ch_list">rdf:List</a></code>. The <a href="#ch_range"><code>rdfs:range</code></a>
- of <code>rdf:first</code> is <code><a href="#ch_resource">rdfs:Resource</a></code>.
- </p>
- </section>
- <section id="ch_rest" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_rest"><span class="secno">5.2.3 </span>rdf:rest</h4>
- <p><code>rdf:rest</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that can be used to build descriptions of lists and other list-like
- structures.
- </p>
- <p>A triple of the form:</p>
- <blockquote> <code>L rdf:rest O</code>
- </blockquote>
- <p>states that there is a rest-of-list relationship between L and O.</p>
- <p>
- The <a href="#ch_domain"><code>rdfs:domain</code></a> of <code>rdf:rest</code>
- is <code><a href="#ch_list">rdf:List</a></code>. The <a href="#ch_range"><code>rdfs:range</code></a>
- of <code>rdf:rest</code> is <code><a href="#ch_list">rdf:List</a></code>.
- </p>
- </section>
- <section id="ch_nil" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_nil"><span class="secno">5.2.4 </span>rdf:nil</h4>
- <p>The resource <code>rdf:nil</code> is an instance of <code><a href="#ch_list">rdf:List</a></code>
- that can be used to represent an empty list or other list-like
- structure.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>L rdf:rest rdf:nil</code>
- </blockquote>
- <p>states that L is an instance of <code><a href="#ch_list">rdf:List</a></code>
- that has one item; that item can be indicated using the <code><a href="#ch_first">rdf:first</a></code>
- property.</p>
- </section>
- </section>
- <section class="informative" id="ch_reificationvocab" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">>
- <h3 aria-level="2" role="heading" id="h3_ch_reificationvocab"><span class="secno">5.3 </span>Reification Vocabulary</h3><p><em>This section is non-normative.</em></p>
-
-<!--
-<p>The 1999 RDF Model and Syntax Specification [[RDFMS]] defined a vocabulary for describing RDF statements without stating them.
-The 2004 RDF specification did not assign a normative formal semantics to this vocabulary. However, an intended meaning of
-this vocabulary (which generally clarifies the intent of the RDFMS definition) is described here.
-An informal introduction to the reification vocabulary, with examples, may be found in the <a
-href="http://www.w3.org/TR/2004/REC-rdf-primer-20040210/#reification">RDF2004 primer</a>.
-</p>-->
-
- <section id="ch_statement" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_statement"><span class="secno">5.3.1 </span>rdf:Statement</h4>
- <p><code>rdf:Statement</code> is an instance of <code><a href="#ch_class">rdfs:Class.</a></code>
- It is intended to represent the class of RDF statements. An RDF
- statement is the statement made by a token of an RDF triple. The
- subject of an RDF statement is the instance of <code><a href="#ch_resource">rdfs:Resource</a></code>
- identified by the subject of the triple. The predicate of an RDF
- statement is the instance of <code><a href="#ch_property">rdf:Property</a></code>
- identified by the predicate of the triple. The object of an RDF
- statement is the instance of <code><a href="#ch_resource">rdfs:Resource</a></code>
- identified by the object of the triple.
- <code>rdf:Statement</code> is in the domain of the properties <code><a href="#ch_predicate">rdf:predicate</a></code>, <code><a href="#ch_subject">rdf:subject</a></code>
- and <code><a href="#ch_object">rdf:object</a></code>. Different
- individual <code>rdf:Statement</code> instances may have the same
- values for their <code><a href="#ch_predicate">rdf:predicate</a></code>,
- <code><a href="#ch_subject">rdf:subject</a></code>
- and <code><a href="#ch_object">rdf:object</a></code> properties.
- </p>
- </section>
- <section id="ch_subject" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_subject"><span class="secno">5.3.2 </span>rdf:subject</h4>
- <p><code>rdf:subject</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to state the
- subject of a statement.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>S rdf:subject R</code>
- </blockquote>
- <p>states that S is an instance of <code><a href="#ch_statement">rdf:Statement</a></code>
- and that the subject of S is
- R.</p>
- <p class="schemacomment">The <a href="#ch_domain"><code>rdfs:domain</code></a>
- of <code>rdf:subject</code> is
- <code><a href="#ch_statement">rdf:Statement</a></code>. The <a href="#ch_range"><code>rdfs:range</code></a>
- of <code>rdf:subject</code> is
- <code><a href="#ch_resource">rdfs:Resource</a></code>.</p>
- </section>
- <section id="ch_predicate" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_predicate"><span class="secno">5.3.3 </span>rdf:predicate</h4>
- <p>rdf:predicate is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to state the
- predicate of a statement.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>S rdf:predicate P</code>
- </blockquote>
- <p>states that S is an instance of <code><a href="#ch_statement">rdf:Statement</a></code>,
- that P is an instance of
- <code><a href="#ch_property">rdf:Property</a></code> and that the
- predicate
- of S is P.</p>
- <p>The <a href="#ch_domain"><code>rdfs:domain</code></a> of
- <code>rdf:predicate</code> is <code><a href="#ch_statement">rdf:Statement</a></code>
- and the <a href="#ch_range"><code>rdfs:range</code></a> is <a href="#ch_resource"><code>rdfs:Resource</code></a>.</p>
- </section>
- <section id="ch_object" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_object"><span class="secno">5.3.4 </span>rdf:object</h4>
- <p>rdf:object is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to state the
- object of a statement.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>S rdf:object O</code>
- </blockquote>
- <p>states that S is an instance of <code><a href="#ch_statement">rdf:Statement</a></code>
- and that the object of S is
- O.</p>
- <p>The <a href="#ch_domain"><code>rdfs:domain</code></a> of
- <code>rdf:object</code> is <code><a href="#ch_statement">rdf:Statement</a></code>.
- The <a href="#ch_range"><code>rdfs:range</code></a> of <code>rdf:object</code>
- is
- <code><a href="#ch_resource">rdfs:Resource</a></code>.</p>
- </section>
- </section>
- <section id="ch_utilvocab" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_utilvocab"><span class="secno">5.4 </span>Utility Properties</h3>
- <p>The following utility classes and properties are defined in the RDF
- core
- namespaces.</p>
- <section id="ch_seealso" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_seealso"><span class="secno">5.4.1 </span>rdfs:seeAlso</h4>
- <p><code>rdfs:seeAlso</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to indicate a
- resource that might provide additional information about the subject
- resource.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>S rdfs:seeAlso O</code>
- </blockquote>
- <p>states that the resource O may provide additional information about
- S. It
- may be possible to retrieve representations of O from the Web, but
- this is
- not required. When such representations may be retrieved, no
- constraints are
- placed on the format of those representations.</p>
- <p>The <code><a href="#ch_domain">rdfs:domain</a></code> of
- <code>rdfs:seeAlso</code> is <code><a href="#ch_resource">rdfs:Resource</a></code>.
- The <code><a href="#ch_range">rdfs:range</a></code> of <code>rdfs:seeAlso</code>
- is
- <code><a href="#ch_resource">rdfs:Resource</a></code>.</p>
- </section>
- <section id="ch_isdefinedby" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_isdefinedby"><span class="secno">5.4.2 </span>rdfs:isDefinedBy</h4>
- <p><code>rdfs:isDefinedBy</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that is used to indicate a
- resource defining the subject resource. This property may be used to
- indicate
- an RDF vocabulary in which a resource is described.</p>
- <p>A triple of the form:</p>
- <blockquote> <code>S rdfs:isDefinedBy O</code>
- </blockquote>
- <p>states that the resource O defines S. It may be possible to
- retrieve
- representations of O from the Web, but this is not required. When
- such
- representations may be retrieved, no constraints are placed on the
- format of
- those representations. <code>rdfs:isDefinedBy</code> is a <a href="#def-subproperty">subproperty</a>
- of <code><a href="#ch_seealso">rdfs:seeAlso</a></code>.</p>
- <p>The <code><a href="#ch_domain">rdfs:domain</a></code> of
- <code>rdfs:isDefinedBy</code> is <code><a href="#ch_resource">rdfs:Resource</a></code>.
- The <code><a href="#ch_range">rdfs:range</a></code> of <code>rdfs:isDefinedBy</code>
- is
- <code><a href="#ch_resource">rdfs:Resource</a></code>.</p>
- </section>
- <section id="ch_value" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h4 aria-level="3" role="heading" id="h4_ch_value"><span class="secno">5.4.3 </span>rdf:value</h4>
- <p><code>rdf:value</code> is an instance of <a href="#ch_property"><code>rdf:Property</code></a>
- that may be used in
- describing structured values.</p>
- <p>rdf:value has no meaning on its own. It is provided as a piece of
- vocabulary that may be used in idioms such as illustrated
- in example below:</p>
- <div class="example"><div class="example-title"><span>Example 1</span></div><pre class="example"><http://www.example.com/2002/04/products#item10245>
- <http://www.example.org/terms/weight> [
- rdf:value 2.4 ;
- <http://www.example.org/terms/units> <http://www.example.org/units/kilograms>
- ] .</pre></div>
- Despite
- the lack of formal specification of the meaning of this property,
- there is
- value in defining it to encourage the use of a common idiom in
- examples of
- this kind.<p></p>
- <p>The <code><a href="#ch_domain">rdfs:domain</a></code> of
- <code>rdf:value</code> is <code><a href="#ch_resource">rdfs:Resource</a></code>.
- The <code><a href="#ch_range">rdfs:range</a></code> of <code>rdf:value</code>
- is <code><a href="#ch_resource">rdfs:Resource</a></code>.</p>
- </section>
- </section>
- </section>
- <section id="ch_summary" class="informative" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_ch_summary"><span class="secno">6. </span>RDF Schema summary</h2><p><em>This section is non-normative.</em></p>
- <p>The tables in this section provide an overview of the RDF Schema vocabulary.</p>
-
-<!-- of RDF, drawing together
- vocabulary originally defined in the RDF Model and Syntax
- specification [[RDFMS]] with
- classes and properties that originate with RDF Schema.
- -->
-
- <section id="ch_sumclasses" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_sumclasses"><span class="secno">6.1 </span>RDF classes</h3>
- <table border="1">
- <tbody>
- <tr>
- <th>Class name</th>
- <th>comment</th>
- </tr>
- <tr>
- <td><a href="#ch_resource">rdfs:Resource</a></td>
- <td>The class resource, everything.</td>
- </tr>
- <tr>
- <td><a href="#ch_literal">rdfs:Literal</a></td>
- <td>The class of literal values, e.g. textual strings and
- integers.</td>
- </tr>
- <tr>
- <td><a href="#ch_langstring">rdf:langString</a></td>
- <td>The class of language-tagged string literal values.</td>
- </tr>
- <tr>
- <td><a href="#ch_html">rdf:HTML</a></td>
- <td>The class of HTML literal values.</td>
- </tr>
- <tr>
- <td><a href="#ch_xmlliteral">rdf:XMLLiteral</a></td>
- <td>The class of XML literal values.</td>
- </tr>
- <tr>
- <td><a href="#ch_class">rdfs:Class</a></td>
- <td>The class of classes.</td>
- </tr>
- <tr>
- <td><a href="#ch_property">rdf:Property</a></td>
- <td>The class of RDF properties.</td>
- </tr>
- <tr>
- <td><a href="#ch_datatype">rdfs:Datatype</a></td>
- <td>The class of RDF datatypes.</td>
- </tr>
- <tr>
- <td><a href="#ch_statement">rdf:Statement</a></td>
- <td>The class of RDF statements.</td>
- </tr>
- <tr>
- <td><a href="#ch_bag">rdf:Bag</a></td>
- <td>The class of unordered containers.</td>
- </tr>
- <tr>
- <td><a href="#ch_seq">rdf:Seq</a></td>
- <td>The class of ordered containers.</td>
- </tr>
- <tr>
- <td><a href="#ch_alt">rdf:Alt</a></td>
- <td>The class of containers of alternatives.</td>
- </tr>
- <tr>
- <td><a href="#ch_container">rdfs:Container</a></td>
- <td>The class of RDF containers.</td>
- </tr>
- <tr>
- <td><a href="#ch_containermembershipproperty">rdfs:ContainerMembershipProperty</a></td>
- <td>The class of container membership properties, rdf:_1, rdf:_2,
- ..., all of which are sub-properties of 'member'.</td>
- </tr>
- <tr>
- <td><a href="#ch_list">rdf:List</a></td>
- <td>The class of RDF Lists.</td>
- </tr>
- </tbody>
- </table>
- </section>
- <section id="ch_sumproperties" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_ch_sumproperties"><span class="secno">6.2 </span>RDF properties</h3>
- <table border="1">
- <tbody>
- <tr>
- <th>Property name</th>
- <th>comment</th>
- <th>domain</th>
- <th>range</th>
- </tr> <tr>
- <td><a href="#ch_type">rdf:type</a></td>
- <td>The subject is an instance of a class.</td>
- <td>rdfs:Resource</td>
- <td>rdfs:Class</td>
- </tr>
- <tr>
- <td><a href="#ch_subclassof">rdfs:subClassOf</a></td>
- <td>The subject is a subclass of a class.</td>
- <td>rdfs:Class</td>
- <td>rdfs:Class</td>
- </tr>
- <tr>
- <td><a href="#ch_subpropertyof">rdfs:subPropertyOf</a></td>
- <td>The subject is a subproperty of a property.</td>
- <td>rdf:Property</td>
- <td>rdf:Property</td>
- </tr>
- <tr>
- <td><a href="#ch_domain">rdfs:domain</a></td>
- <td>A domain of the subject property.</td>
- <td>rdf:Property</td>
- <td>rdfs:Class</td>
- </tr>
- <tr>
- <td><a href="#ch_range">rdfs:range</a></td>
- <td>A range of the subject property.</td>
- <td>rdf:Property</td>
- <td>rdfs:Class</td>
- </tr>
- <tr>
- <td><a href="#ch_label">rdfs:label</a></td>
- <td>A human-readable name for the subject.</td>
- <td>rdfs:Resource</td>
- <td>rdfs:Literal</td>
- </tr>
- <tr>
- <td><a href="#ch_comment">rdfs:comment</a></td>
- <td>A description of the subject resource.</td>
- <td>rdfs:Resource</td>
- <td>rdfs:Literal</td>
- </tr>
- <tr>
- <td><a href="#ch_member">rdfs:member</a></td>
- <td>A member of the subject resource.</td>
- <td>rdfs:Resource</td>
- <td>rdfs:Resource</td>
- </tr>
- <tr>
- <td><a href="#ch_first">rdf:first</a></td>
- <td>The first item in the subject RDF list.</td>
- <td>rdf:List</td>
- <td>rdfs:Resource</td>
- </tr>
- <tr>
- <td><a href="#ch_rest">rdf:rest</a></td>
- <td>The rest of the subject RDF list after the first item.</td>
- <td>rdf:List</td>
- <td>rdf:List</td>
- </tr>
- <tr>
- <td><a href="#ch_seealso">rdfs:seeAlso</a></td>
- <td>Further information about the subject resource.</td>
- <td>rdfs:Resource</td>
- <td>rdfs:Resource</td>
- </tr>
- <tr>
- <td><a href="#ch_isdefinedby">rdfs:isDefinedBy</a></td>
- <td>The definition of the subject resource.</td>
- <td>rdfs:Resource</td>
- <td>rdfs:Resource</td>
- </tr>
- <tr>
- <td><a href="#ch_value">rdf:value</a></td>
- <td>Idiomatic property used for structured values.</td>
- <td>rdfs:Resource</td>
- <td>rdfs:Resource</td>
- </tr>
- <tr>
- <td><a href="#ch_subject">rdf:subject</a></td>
- <td>The subject of the subject RDF statement.</td>
- <td>rdf:Statement</td>
- <td>rdfs:Resource</td>
- </tr>
- <tr>
- <td><a href="#ch_predicate">rdf:predicate</a></td>
- <td>The predicate of the subject RDF statement.</td>
- <td>rdf:Statement</td>
- <td>rdfs:Resource</td>
- </tr>
- <tr>
- <td><a href="#ch_object">rdf:object</a></td>
- <td>The object of the subject RDF statement.</td>
- <td>rdf:Statement</td>
- <td>rdfs:Resource</td>
- </tr>
- </tbody>
- </table>
- <p>In addition to these classes and properties, RDF also uses properties
- called <code>rdf:_1</code>, <code>rdf:_2</code>, <code>rdf:_3</code>...
- etc.,
- each of which is both a sub-property of <code>rdfs:member</code> and
- an
- instance of the class <code>rdfs:ContainerMembershipProperty</code>.
- There is
- also an instance of <code>rdf:List</code> called <code>rdf:nil</code>
- that is
- an empty <code>rdf:List</code>.</p>
- </section>
- </section>
- <section id="ch_acknowledgements" class="appendix informative" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_ch_acknowledgements"><span class="secno">A. </span>Acknowledgments</h2><p><em>This section is non-normative.</em></p>
- <p>The RDF Schema design was originally produced by the RDF Schema Working
- Group (1997-2000). The current specification is largely an editorial
- clarification of that design, and has benefited greatly from the hard
- work of
- the <a href="http://www.w3.org/2001/sw/RDFCore/">RDF Core Working Group</a>
- <a href="http://www.w3.org/2001/sw/RDFCore/#Membership">members</a>, and
- from
- implementation feedback from many members of the <a href="http://www.w3.org/RDF/Interest/">RDF
- Interest Group</a>. In
- 2013-2014 Guus Schreiber edited this document on behalf of the <a href="http://www.w3.org/2011/rdf-wg/">RDF
- Working Group</a>
- to bring it in line with the RDF 1.1 specifications. </p>
- <p>David Singer of IBM was the chair of the original RDF Schema group
- throughout most of the development of this specification; we thank David
- for
- his efforts and thank IBM for supporting him and us in this endeavor.
- Particular thanks are also due to Andrew Layman for his editorial work
- on
- early versions of this specification.</p>
- <p>The original RDF Schema Working Group membership included:</p>
- <p>Nick Arnett (Verity), Dan Brickley (ILRT / University of Bristol),
- Walter
- Chang (Adobe), Sailesh Chutani (Oracle), Ron Daniel (DATAFUSION),
- Charles
- Frankston (Microsoft), Joe Lapp (webMethods Inc.), Patrick Gannon
- (CommerceNet), RV Guha (Epinions, previously of Netscape
- Communications), Tom
- Hill (Apple Computer), Renato Iannella (DSTC), Sandeep Jain (Oracle),
- Kevin
- Jones, (InterMind), Emiko Kezuka (Digital Vision Laboratories), Ora
- Lassila
- (Nokia Research Center), Andrew Layman (Microsoft), John McCarthy
- (Lawrence
- Berkeley National Laboratory), Michael Mealling (Network Solutions),
- Norbert
- Mikula (DataChannel), Eric Miller (OCLC), Frank Olken (Lawrence Berkeley
- National Laboratory), Sri Raghavan (Digital/Compaq), Lisa Rein
- (webMethods
- Inc.), Tsuyoshi Sakata (Digital Vision Laboratories), Leon Shklar
- (Pencom Web
- Works), David Singer (IBM), Wei (William) Song (SISU), Neel Sundaresan
- (IBM),
- Ralph Swick (<abbr title="World Wide Web Consortium">W3C</abbr>), Naohiko Uramoto (IBM), Charles Wicksteed (Reuters
- Ltd.),
- Misha Wolf (Reuters Ltd.)</p>
- </section>
- <section id="changes" class="appendix informative" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_changes"><span class="secno">B. </span>Change history</h2><p><em>This section is non-normative.</em></p>
- <section id="PER-changes" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_PER-changes"><span class="secno">B.1 </span>Changes for Proposed Edited Recommendation in 2013</h3>
- <ul>
- <li>Conversion to ResPec, inclduing formatting of examples and notes.</li>
- <li>Refereces and anchors to RDF 1.0 documents where appropriate
- replaced by references and anchors to RDF 1.1 documents.</li>
- <li>Replaced the term "URI Reference" with the term "IRI". </li>
- <li>Removed discussion about distinction between plain and typed
- literals, as this distinction is absent in RDF 1.1 and has no
- technical bearing on RDF Schema.</li>
- <li>Fixed incorrect pointer to RDF Primer example 16 to example 21.</li>
- <li>Removed the introductory paragraph of Sec. <a href="#ch_reificationvocab">"Reification
- Vocabulary"</a>, as this discussion is not related to the
- technical content and is irrelevant and confusing now. </li>
- <li>Update of affiliation of the editors. </li>
- <li>Added RDF WG to the Acknowledgements section.</li>
- <li>Renamed the document from "RDF Vocabulary Description Language
- 1.0: RDF Schema" to "RDF Schema 1.1", as the term Vocabulary
- Description Language has led to confusion.</li>
- <li>Three paragraphs of the Introduction were left out. These
- paragraphs described the things that RDF Schema does not do and are
- now much less relevant than in 2004. </li>
- <li>Added the datatypes <code>rdf:langString</code> and <code>rdf:HTML</code>.
- </li>
- <li>Removed Appendix "RDF Schema in RDF/XML". It was informative, but
- now out of date, in terms of content and in terms of
- syntax.</li>
- <li>Marked <code>rdf:HTML</code> and <code>rdf:XMLLiteral</code>
- as non-normative.</li>
- <li>Removed references to 2004 Primer from Secs. 5.1, 5.2
- and 5.4.3. In the latter case the example referred to was
- moved into this document for readability purposes. </li>
- </ul>
- </section>
- <section id="2004-changes" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
- <h3 aria-level="2" role="heading" id="h3_2004-changes"><span class="secno">B.2 </span>Changes history of the 2004 Recommendation</h3>
- <p>The following is an outline of the main changes made to the 2004
- specification, latest first, since the Last Call Working Draft of <a href="http://www.w3.org/TR/2003/WD-rdf-schema-20030123/">23 January
- 2003</a>. See the <a href="http://www.w3.org/2001/sw/RDFCore/20030123-issues/#schema">Last
- Call issue tracking document</a> for details of the specific issues
- raised regarding this specification.
- </p>
- <ul>
- <li>Amended Appendix A to note that the RDF/XML description of RDF and
- RDFS terms is not directly published at the RDFS namespace, but
- split between the 'rdf:' and 'rdfs:' namespace documents. Also
- removed the pre-REC warning that the WG might choose to change the
- namespace URI prior to Recommendation.</li>
- <li>Amended rdfs:range specification for rdf:predicate for consistency
- with the Semantics document (previously rdf:Property; now,
- rdfs:Resource)</li>
- <li>Removed reference to RDF mimetypes doc, as the IETF draft has
- expired and is 404 missing on their site.</li>
- <li>Reification vocabulary redescribed (<a href="http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2003Aug/0161.html">details</a>).</li>
- <li>Reworded rdfs:comment for rdfs:member, changing "container" to
- "resource"</li>
- <li>Reworded lead-in to Appendix A per <a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003JulSep/0170.html">0170.html</a>.
- </li>
- <li>OWL references now go to OWL specs rather than WebOnt homepage.
- Fixed minor typos per <a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003JanMar/0373.html">0373.html</a>)</li>
- <li>Reworded rdf:nil to tone down the imperative style.</li>
- <li>Added note to Properties section warning about over-use of
- sub-property,
- and referencing OWL, an editorial suggestion from Bijan Parsia. (<a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003AprJun/0177.html">details</a>).
- </li>
- <li>Regarding <a href="http://www.w3.org/2001/sw/RDFCore/20030123-issues/#pfps-12">pfps-12</a>,
- <a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003AprJun/0277.html">discussion</a>
- led to rdf:first/rest/List/nil rewritten per Peter Patel-Schneider's
- suggestion.</li>
- <li>Change to description of subProperty and subClass, to match <a href="http://www.w3.org/TR/2004/REC-rdf-mt-20040210/#change">changes
- to RDF Semantics</a>. See
- <a href="http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2003Jul/0161.html">discussion</a>
- for details.</li>
- <li>Edits <a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003AprJun/0099.html">closing</a>
- 'what is rdf schema' issue by clarifying that RDFS is a semantic
- extension of RDF, as defined in the RDF Semantics document. This
- closes rdfcore last call issue pfps-24.</li>
- </ul>
- </section>
- </section>
-
-<!--
-<section class="appendix informative" id="ch_appendix_rdfs">
-<h2>RDF Schema as RDF/XML</h2>
-<p class="issue">
-Update of the RDFS namespace document required!?</p>
-<p>
-An RDFS description of the <a href="http://www.w3.org/TR/rdf11-mt/#rdf-interpretations">RDF vocabulary</a> and <a href="http://www.w3.org/TR/rdf11-mt/#rdfs-interpretations">RDFS vocabulary</a> is given here in RDF/XML syntax.
-It includes statements describing RDF resources originally introduced bythe 1999 RDF Model and Syntax specification [[RDFMS]], as well as definitions for
-resources introduced in the RDF Schema vocabulary.</p>
-<p>This material is also available as <a href="rdfs-namespace">a separate
-RDF/XML document</a>. It does not necessarily match the contentpublished at the <a
-href="http://www.w3.org/1999/02/22-rdf-syntax-ns#">RDF namespaceURI</a> or the <a href="http://www.w3.org/2000/01/rdf-schema#">RDFS
-namespace URI</a>, which may evolve over time.</p>
-<table cellpadding="5" border="1" width="95%" summary="RDF Schema in RDF">
- <tbody> <tr>
- <td> <pre>
-<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:owl="http://www.w3.org/2002/07/owl#">
-<owl:Ontology rdf:about="http://www.w3.org/2000/01/rdf-schema#"/>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Resource">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:label>Resource</rdfs:label>
- <rdfs:comment>The class resource, everything.</rdfs:comment></rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#type">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/> <rdfs:label>type</rdfs:label>
- <rdfs:comment>The subject is an instance of a class.</rdfs:comment> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/></rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Class">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:label>Class</rdfs:label>
- <rdfs:comment>The class of classes.</rdfs:comment> <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#subClassOf"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>subClassOf</rdfs:label> <rdfs:comment>The subject is a subclass of a class.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#subPropertyOf"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>subPropertyOf</rdfs:label> <rdfs:comment>The subject is a subproperty of a property.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/> <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>Property</rdfs:label> <rdfs:comment>The class of RDF properties.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/></rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#comment">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:label>comment</rdfs:label>
- <rdfs:comment>A description of the subject resource.</rdfs:comment> <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/></rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#label">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:label>label</rdfs:label>
- <rdfs:comment>A human-readable name for the subject.</rdfs:comment> <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/></rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#domain">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:label>domain</rdfs:label>
- <rdfs:comment>A domain of the subject property.</rdfs:comment> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/></rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#range">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:label>range</rdfs:label>
- <rdfs:comment>A range of the subject property.</rdfs:comment> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/></rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#seeAlso">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:label>seeAlso</rdfs:label>
- <rdfs:comment>Further information about the subject resource.</rdfs:comment> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/></rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#isDefinedBy">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/> <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#seeAlso"/>
- <rdfs:label>isDefinedBy</rdfs:label> <rdfs:comment>The defininition of the subject resource.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/> <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Literal"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Literal</rdfs:label> <rdfs:comment>The class of literal values, eg. textual strings and integers.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/></rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/> <rdfs:label>Statement</rdfs:label>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/> <rdfs:comment>The class of RDF statements.</rdfs:comment>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#subject"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>subject</rdfs:label> <rdfs:comment>The subject of the subject RDF statement.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement"/> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>predicate</rdfs:label> <rdfs:comment>The predicate of the subject RDF statement.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement"/> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#object"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>object</rdfs:label> <rdfs:comment>The object of the subject RDF statement.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement"/> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Container"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Container</rdfs:label> <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:comment>The class of RDF containers.</rdfs:comment></rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Bag">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/> <rdfs:label>Bag</rdfs:label>
- <rdfs:comment>The class of unordered containers.</rdfs:comment> <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Container"/>
-</rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Seq"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>Seq</rdfs:label> <rdfs:comment>The class of ordered containers.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Container"/></rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Alt">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/> <rdfs:label>Alt</rdfs:label>
- <rdfs:comment>The class of containers of alternatives.</rdfs:comment> <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Container"/>
-</rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#ContainerMembershipProperty"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>ContainerMembershipProperty</rdfs:label> <rdfs:comment>The class of container membership properties, rdf:_1, rdf:_2, ...,
- all of which are sub-properties of 'member'.</rdfs:comment> <rdfs:subClassOf rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#member"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>member</rdfs:label> <rdfs:comment>A member of the subject resource.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#value"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>value</rdfs:label> <rdfs:comment>Idiomatic property used for structured values.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#List"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>List</rdfs:label> <rdfs:comment>The class of RDF Lists.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/></rdfs:Class>
-<rdf:List rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>nil</rdfs:label> <rdfs:comment>The empty list, with no items in it. If the rest of a list is nil then the list has no more items in it.</rdfs:comment>
-</rdf:List>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#first"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>first</rdfs:label> <rdfs:comment>The first item in the subject RDF list.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#List"/> <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>rest</rdfs:label> <rdfs:comment>The rest of the subject RDF list after the first item.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#List"/> <rdfs:range rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#List"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Datatype"> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Datatype</rdfs:label> <rdfs:comment>The class of RDF datatypes.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/></rdfs:Class>
- <rdfs:Datatype rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral">
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/> <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>XMLLiteral</rdfs:label> <rdfs:comment>The class of XML literal values.</rdfs:comment>
-</rdfs:Datatype>
-<rdf:Description rdf:about="http://www.w3.org/2000/01/rdf-schema#"> <rdfs:seeAlso rdf:resource="http://www.w3.org/2000/01/rdf-schema-more"/>
-</rdf:Description>
-</rdf:RDF>
- </pre> </td>
- </tr> </tbody>
-</table><hr />
-</section>
--->
-
-
-
-<section class="appendix" id="references" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter">
-<!--OddPage-->
-<h2 aria-level="1" role="heading" id="h2_references"><span class="secno">C. </span>References</h2><section id="normative-references" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter"><h3 aria-level="2" role="heading" id="h3_normative-references"><span class="secno">C.1 </span>Normative references</h3><dl class="bibliography" about=""><dt id="bib-JSON-LD">[JSON-LD]</dt><dd rel="dcterms:requires">Manu Sporny, Gregg Kellogg, Markus Lanthaler, Editors. <cite><a href="http://www.w3.org/TR/2013/PR-json-ld-20131105/">JSON-LD 1.0</a>.</cite> 5 November 2013. W3C Proposed Recommendation. URL: <a href="http://www.w3.org/TR/2013/PR-json-ld-20131105/">http://www.w3.org/TR/2013/PR-json-ld-20131105/</a>. The latest edition is available at <a href="http://www.w3.org/TR/json-ld/">http://www.w3.org/TR/json-ld/</a>
-</dd><dt id="bib-RDF11-CONCEPTS">[RDF11-CONCEPTS]</dt><dd rel="dcterms:requires">Richard Cyganiak, David Wood, Markus Lanthaler, Editors. <cite><a href="http://www.w3.org/TR/2013/CR-rdf11-concepts-20131105/">RDF 1.1 Concepts and Abstract Syntax.</a></cite> 5 November 2013. W3C Candidate Recommendation (work in progress). URL: <a href="http://www.w3.org/TR/2013/CR-rdf11-concepts-20131105/">http://www.w3.org/TR/2013/CR-rdf11-concepts-20131105/</a>. The latest edition is available at <a href="http://www.w3.org/TR/rdf11-concepts/">http://www.w3.org/TR/rdf11-concepts/</a>
-</dd><dt id="bib-RDF11-MT">[RDF11-MT]</dt><dd rel="dcterms:requires">Patrick J. Hayes, Peter F. Patel-Schneider, Editors. <cite><a href="http://www.w3.org/TR/2013/CR-rdf11-mt-20131105/">RDF 1.1 Semantics.</a></cite> 5 November 2013. W3C Candidate Recommendation (work in progress). URL: <a href="http://www.w3.org/TR/2013/CR-rdf11-mt-20131105/">http://www.w3.org/TR/2013/CR-rdf11-mt-20131105/</a>. The latest edition is available at <a href="http://www.w3.org/TR/rdf11-mt/">http://www.w3.org/TR/rdf11-mt/</a>
-</dd><dt id="bib-TRIG">[TRIG]</dt><dd rel="dcterms:requires">Gavin Carothers, Andy Seaborne, Editors. <cite><a href="http://www.w3.org/TR/2013/WD-trig-20130919/">TriG: RDF Dataset Language</a></cite>. 19 September 2013. W3C Candidate Recommendation (work in progress). URL: <a href="http://www.w3.org/TR/2013/WD-trig-20130919/">http://www.w3.org/TR/2013/WD-trig-20130919/</a>. The latest edition is available at <a href="http://www.w3.org/TR/trig/">http://www.w3.org/TR/trig/</a>
-</dd><dt id="bib-TURTLE">[TURTLE]</dt><dd rel="dcterms:requires">Eric Prud'hommeaux, Gavin Carothers, Editors. <cite><a href="http://www.w3.org/TR/2013/CR-turtle-20130219/">RDF 1.1 Turtle: Terse RDF Triple Language.</a></cite> 19 February 2013. W3C Candidate Recommendation (work in progress). URL: <a href="http://www.w3.org/TR/2013/CR-turtle-20130219/">http://www.w3.org/TR/2013/CR-turtle-20130219/</a>. The latest edition is available at <a href="http://www.w3.org/TR/turtle/">http://www.w3.org/TR/turtle/</a>
-</dd></dl></section><section id="informative-references" typeof="bibo:Chapter" resource="#ref" rel="bibo:Chapter"><h3 aria-level="2" role="heading" id="h3_informative-references"><span class="secno">C.2 </span>Informative references</h3><dl class="bibliography" about=""><dt id="bib-BERNERS-LEE98">[BERNERS-LEE98]</dt><dd rel="dcterms:references">Tim Berners-Lee. <cite><a href="http://www.w3.org/DesignIssues/RDFnot.html">What the Semantic Web can represent</a></cite>. 1998. URI: <a href="http://www.w3.org/DesignIssues/RDFnot.html">http://www.w3.org/DesignIssues/RDFnot.html</a>.
-</dd><dt id="bib-OWL2-OVERVIEW">[OWL2-OVERVIEW]</dt><dd rel="dcterms:references">W3C OWL Working Group. <a href="http://www.w3.org/TR/owl2-overview/"><cite>OWL 2 Web Ontology Language Document Overview (Second Edition)</cite></a>. 11 December 2012. W3C Recommendation. URL: <a href="http://www.w3.org/TR/owl2-overview/">http://www.w3.org/TR/owl2-overview/</a>
-</dd><dt id="bib-RDF11-PRIMER">[RDF11-PRIMER]</dt><dd rel="dcterms:references">Guus Schreiber, Yves Raimond. <cite><a href="https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-primer/index.html">RDF 1.1 Primer</a></cite>. 2013. The latest version is available at <a href="http://www.w3.org/TR/rdf11-primer/">http://www.w3.org/TR/rdf11-primer/</a>.
-</dd></dl></section></section></body></html>
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- { content: "\2193" }
-:focus { border: thin red solid}
-</style>
-</head>
-<body id="respecDocument" role="document" class="h-entry">
-<div id="respecHeader" role="contentinfo" class="head">
-<p>
-<a href="http://www.w3.org/">
-<img src="https://www.w3.org/Icons/w3c_home" alt="W3C" height="48" width="72" />
-</a>
-</p>
-<h1 class="title p-name" id="title" property="dcterms:title">
-RDF
-<ins class="diff-new">1.1
-</ins>
-Vocabulary
-Description
-<del class="diff-old">Language
-1.0:
-</del>
-<ins class="diff-chg">Language:
-</ins>
-RDF
-Schema
-</h1>
-<h2 id="w3c-proposed-edited-recommendation-14-november-2013" property="dcterms:issued" datatype="xsd:dateTime" content="2013-11-14T12:09:29.000Z">
-<abbr title="World Wide Web Consortium">
-W3C
-</abbr>
-<ins class="diff-new">Proposed
-Edited
-</ins>
-Recommendation
-<del class="diff-old">10
-February
-2004
-</del>
-<time class="dt-published" datetime="2013-11-14">
-<ins class="diff-chg">14
-November
-2013
-</ins></time>
-</h2>
-<dl>
-<dt>
-This
-<del class="diff-old">Version:
-</del>
-<ins class="diff-chg">version:
-</ins>
-</dt>
-<dd>
-<del class="diff-old">http://www.w3.org/TR/2004/REC-rdf-schema-20040210/
-</del>
-<a class="u-url" href="http://www.w3.org/TR/2013/PER-rdf-schema-20131114/">
-<ins class="diff-chg">http://www.w3.org/TR/2013/PER-rdf-schema-20131114/
-</ins>
-</a>
-</dd>
-<dt>
-Latest
-<del class="diff-old">Version:
-</del>
-<ins class="diff-chg">published
-version:
-</ins>
-</dt>
-<dd>
-<a href="http://www.w3.org/TR/rdf-schema/">
-http://www.w3.org/TR/rdf-schema/
-</a>
-</dd>
-<dt>
-<ins class="diff-new">Latest
-editor's
-draft:
-</ins></dt><dd><a href="https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-schema/index.html"><ins class="diff-new">
-https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-schema/index.html
-</ins></a></dd><dt>
-Previous
-<del class="diff-old">Version:
-</del>
-<ins class="diff-chg">version:
-</ins>
-</dt>
-<dd>
-<del class="diff-old">http://www.w3.org/TR/2003/PR-rdf-schema-20031215/
-</del>
-<a rel="dcterms:replaces" href="http://www.w3.org/TR/2004/REC-rdf-schema-20040210/">
-<ins class="diff-chg">http://www.w3.org/TR/2004/REC-rdf-schema-20040210/
-</ins>
-</a>
-</dd>
-<dt>
-Editors:
-</dt>
-<dd class="p-author h-card vcard" rel="bibo:editor" inlist="">
-<span typeof="foaf:Person">
-<a class="u-url url p-name fn" rel="foaf:homepage" property="foaf:name" content="Dan Brickley" href="http://danbri.org/">
-Dan
-Brickley
-</a>,
-<del class="diff-old">W3C
-<
-danbri@w3.org
->
-</del>
-<ins class="diff-chg">Google
-</ins></span>
-</dd>
-<dd class="p-author h-card vcard" rel="bibo:editor" inlist="">
-<span typeof="foaf:Person">
-<span property="foaf:name" class="p-name fn">
-R.V.
-<del class="diff-old">Guha,
-IBM
-<
-rguha@us.ibm.com
->
-</del>
-<ins class="diff-chg">Guha
-</ins></span>,<ins class="diff-chg">
-Google
-</ins></span>
-</dd>
-<dt>
-<del class="diff-old">Series
-editor:
-</del>
-<ins class="diff-chg">Previous
-Editors:
-</ins>
-</dt>
-<dd>
-Brian
-McBride
-<del class="diff-old">(Hewlett
-Packard
-Labs)
-<
-bwm@hplb.hpl.hp.com
->
-</del>
-</dd>
-</dl>
-<del class="diff-old">Acknowledgments
-</del>
-<p>
-<del class="diff-old">Please
-refer
-</del>
-<ins class="diff-chg">This
-document
-is
-also
-available
-in
-this
-non-normative
-format:
-</ins><a rel="alternate" href="diff-20130723.html"><ins class="diff-chg">
-diff
-</ins>
-to
-<del class="diff-old">the
-errata
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-<ins class="diff-chg">previous
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-</a>
-<del class="diff-old">for
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-some
-normative
-corrections.
-See
-also
-translations
-.
-</del>
-</p>
-<p class="copyright">
-<a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">
-Copyright
-</a>
-<del class="diff-old">©
-2004
-</del>
-<ins class="diff-chg">©
-2004-2013
-</ins>
-<a href="http://www.w3.org/">
-<abbr title="World Wide Web Consortium">
-W3C
-</abbr>
-</a>
-<sup>
-<del class="diff-old">®
-</del>
-<ins class="diff-chg">®
-</ins>
-</sup>
-(
-<a href="http://www.csail.mit.edu/">
-<abbr title="Massachusetts Institute of Technology">
-MIT
-</abbr>
-</a>,
-<a href="http://www.ercim.eu/">
-<abbr title="European Research Consortium for Informatics and Mathematics">
-ERCIM
-</abbr>
-</a>,
-<a href="http://www.keio.ac.jp/">
-Keio
-</a>,
-<a href="http://ev.buaa.edu.cn/">
-<ins class="diff-new">Beihang
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-<a href="http://www.w3.org/Consortium/Legal/copyright-documents">
-document
-use
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-rules
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-</p>
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-<div id="respecHeader" role="contentinfo" class="head">
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" datatype="" property="dcterms:abstract" class="introductory" id="abstract">
-<h2 id="h2_abstract" role="heading" aria-level="1">
-Abstract
-</h2>
-<p>
-The
-Resource
-Description
-Framework
-(RDF)
-is
-a
-general-purpose
-language
-for
-representing
-information
-in
-the
-Web.
-This
-specification
-describes
-how
-to
-use
-RDF
-to
-describe
-RDF
-vocabularies.
-This
-specification
-defines
-a
-vocabulary
-for
-this
-purpose
-and
-defines
-other
-built-in
-RDF
-<del class="diff-old">vocabulary
-initially
-specified
-in
-the
-RDF
-Model
-and
-Syntax
-Specification.
-</del>
-<ins class="diff-chg">vocabulary.
-</ins>
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="sotd" class="introductory">
-<h2 id="h2_sotd" role="heading" aria-level="1">
-Status
-of
-<del class="diff-old">this
-</del>
-<ins class="diff-chg">This
-</ins>
-Document
-</h2>
-<p>
-<em>
-This
-<ins class="diff-new">section
-describes
-the
-status
-of
-this
-</ins>
-document
-<del class="diff-old">has
-been
-reviewed
-by
-</del>
-<ins class="diff-chg">at
-the
-time
-of
-its
-publication.
-Other
-documents
-may
-supersede
-this
-document.
-A
-list
-of
-current
-</ins><abbr title="World Wide Web Consortium">
-W3C
-<del class="diff-old">Members
-and
-other
-interested
-parties,
-</del>
-</abbr>
-<ins class="diff-chg">publications
-</ins>
-and
-<del class="diff-old">it
-has
-been
-endorsed
-by
-</del>
-the
-<del class="diff-old">Director
-as
-a
-W3C
-Recommendation
-.
-W3C's
-role
-</del>
-<ins class="diff-chg">latest
-revision
-of
-this
-technical
-report
-can
-be
-found
-</ins>
-in
-<del class="diff-old">making
-</del>
-the
-<del class="diff-old">Recommendation
-</del>
-<a href="http://www.w3.org/TR/">
-<abbr title="World Wide Web Consortium">
-<ins class="diff-chg">W3C
-</ins></abbr><ins class="diff-chg">
-technical
-reports
-index
-</ins></a><ins class="diff-chg">
-at
-http://www.w3.org/TR/.
-</ins></em></p><ins class="diff-chg">
-This
-document
-</ins>
-is
-<del class="diff-old">to
-draw
-attention
-to
-</del>
-<ins class="diff-chg">an
-edited
-version
-of
-</ins>
-the
-<del class="diff-old">specification
-and
-</del>
-<ins class="diff-chg">2004
-RDF
-Schema
-Recommendation.
-The
-purpose
-of
-this
-revision
-is
-</ins>
-to
-<del class="diff-old">promote
-its
-widespread
-deployment.
-This
-enhances
-</del>
-<ins class="diff-chg">make
-this
-document
-available
-as
-part
-of
-</ins>
-the
-<del class="diff-old">functionality
-</del>
-<ins class="diff-chg">RDF
-1.1
-document
-set.
-Changes
-are
-limited
-to
-revised
-references
-</ins>
-and
-<del class="diff-old">interoperability
-</del>
-<ins class="diff-chg">terminology
-updates.
-The
-technical
-content
-</ins>
-of
-the
-<del class="diff-old">Web.
-This
-is
-one
-</del>
-document
-<del class="diff-old">in
-a
-set
-</del>
-<ins class="diff-chg">is
-unchanged.
-Detaos
-</ins>
-of
-<del class="diff-old">six
-(
-Primer
-,
-Concepts
-,
-Syntax
-,
-Semantics
-,
-Vocabulary
-,
-and
-Test
-Cases
-)
-intended
-to
-jointly
-replace
-</del>
-the
-<del class="diff-old">original
-Resource
-Description
-Framework
-specifications,
-RDF
-Model
-and
-Syntax
-(1999
-Recommendation)
-</del>
-<ins class="diff-chg">chnages
-are
-listed
-in
-the
-</ins><a href="#PER-changes"><ins class="diff-chg">
-Changes
-</ins>
-</a>
-<del class="diff-old">and
-RDF
-Schema
-(2000
-Candidate
-Recommendation)
-.
-It
-has
-been
-developed
-</del>
-<ins class="diff-chg">section.
-</ins><p><ins class="diff-chg">
-This
-document
-was
-published
-</ins>
-by
-the
-<a href="http://www.w3.org/2011/rdf-wg/">
-RDF
-<del class="diff-old">Core
-</del>
-Working
-Group
-</a>
-as
-<del class="diff-old">part
-of
-the
-</del>
-<ins class="diff-chg">a
-Proposed
-Edited
-Recommendation.
-This
-document
-is
-intended
-to
-become
-a
-</ins><abbr title="World Wide Web Consortium">
-W3C
-<del class="diff-old">Semantic
-Web
-Activity
-</del>
-</abbr>
-<ins class="diff-chg">Recommendation.
-If
-you
-wish
-to
-make
-comments
-regarding
-this
-document,
-please
-send
-them
-to
-</ins><a href="mailto:public-rdf-comments@w3.org"><ins class="diff-chg">
-public-rdf-comments@w3.org
-</ins>
-</a>
-(
-<del class="diff-old">Activity
-Statement
-</del>
-<a href="mailto:public-rdf-comments-request@w3.org?subject=subscribe">
-<ins class="diff-chg">subscribe
-</ins>
-</a>,
-<del class="diff-old">Group
-Charter
-</del>
-<a href="http://lists.w3.org/Archives/Public/public-rdf-comments/">
-<ins class="diff-chg">archives
-</ins>
-</a>
-<del class="diff-old">)
-for
-publication
-on
-10
-February
-2004.
-</del>
-<ins class="diff-chg">).
-All
-comments
-are
-welcome.
-</ins>
-</p>
-<p>
-<del class="diff-old">Changes
-to
-this
-document
-since
-the
-</del>
-<ins class="diff-chg">Publication
-as
-a
-</ins>
-Proposed
-<ins class="diff-new">Edited
-</ins>
-Recommendation
-<del class="diff-old">Working
-Draft
-are
-detailed
-in
-</del>
-<ins class="diff-chg">does
-not
-imply
-endorsement
-by
-</ins>
-the
-<del class="diff-old">change
-log
-.
-The
-public
-</del>
-<abbr title="World Wide Web Consortium">
-<ins class="diff-chg">W3C
-</ins></abbr><ins class="diff-chg">
-Membership.
-This
-</ins>
-is
-<del class="diff-old">invited
-to
-send
-comments
-to
-www-rdf-comments@w3.org
-(
-archive
-)
-</del>
-<ins class="diff-chg">a
-draft
-document
-</ins>
-and
-<ins class="diff-new">may
-be
-updated,
-replaced
-or
-obsoleted
-by
-other
-documents
-at
-any
-time.
-It
-is
-inappropriate
-</ins>
-to
-<del class="diff-old">participate
-</del>
-<ins class="diff-chg">cite
-this
-document
-as
-other
-than
-work
-</ins>
-in
-<del class="diff-old">general
-discussion
-of
-related
-technology
-on
-www-rdf-interest@w3.org
-(
-archive
-).
-A
-list
-of
-implementations
-is
-available.
-</del>
-<ins class="diff-chg">progress.
-</ins>
-</p>
-<p>
-<del class="diff-old">The
-</del>
-<ins class="diff-chg">This
-document
-was
-produced
-by
-a
-group
-operating
-under
-the
-</ins><a id="sotd_patent" about="" rel="w3p:patentRules" href="http://www.w3.org/Consortium/Patent-Policy-20040205/"><ins class="diff-chg">
-5
-February
-2004
-</ins><abbr title="World Wide Web Consortium">
-W3C
-</abbr>
-<ins class="diff-new">Patent
-Policy
-</ins></a>.<abbr title="World Wide Web Consortium"><ins class="diff-new">
-W3C
-</ins></abbr>
-maintains
-a
-<a href="http://www.w3.org/2004/01/pp-impl/46168/status" rel="disclosure">
-<ins class="diff-new">public
-</ins>
-list
-of
-any
-patent
-disclosures
-<del class="diff-old">related
-to
-this
-work
-.
-This
-section
-describes
-</del>
-</a>
-<ins class="diff-chg">made
-in
-connection
-with
-</ins>
-the
-<del class="diff-old">status
-</del>
-<ins class="diff-chg">deliverables
-</ins>
-of
-<del class="diff-old">this
-document
-at
-</del>
-the
-<del class="diff-old">time
-of
-its
-publication.
-Other
-documents
-may
-supersede
-this
-document.
-A
-list
-</del>
-<ins class="diff-chg">group;
-that
-page
-also
-includes
-instructions
-for
-disclosing
-a
-patent.
-An
-individual
-who
-has
-actual
-knowledge
-</ins>
-of
-<del class="diff-old">current
-W3C
-publications
-and
-</del>
-<ins class="diff-chg">a
-patent
-which
-</ins>
-the
-<del class="diff-old">latest
-revision
-of
-this
-technical
-report
-can
-be
-found
-</del>
-<ins class="diff-chg">individual
-believes
-contains
-</ins><a href="http://www.w3.org/Consortium/Patent-Policy-20040205/#def-essential"><ins class="diff-chg">
-Essential
-Claim(s)
-</ins></a><ins class="diff-chg">
-must
-disclose
-the
-information
-</ins>
-in
-<ins class="diff-new">accordance
-with
-</ins><a href="http://www.w3.org/Consortium/Patent-Policy-20040205/#sec-Disclosure"><ins class="diff-new">
-section
-6
-of
-</ins>
-the
-<abbr title="World Wide Web Consortium">
-W3C
-<del class="diff-old">technical
-reports
-index
-at
-http://www.w3.org/TR/.
-</del>
-</abbr>
-<ins class="diff-chg">Patent
-Policy
-</ins></a>.
-</p>
-</section>
-<section id="toc">
-<h2 id="h2_toc" role="heading" aria-level="1" class="introductory">
-<ins class="diff-chg">Table
-of
-</ins>
-Contents
-</h2>
-<ul id="respecContents" role="directory" class="toc">
-<li class="tocline">
-<a class="tocxref" href="#ch_introduction">
-<span class="secno">
-1.
-</span>
-Introduction
-</a>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_classes">
-<span class="secno">
-2.
-</span>
-Classes
-</a>
-<ul class="toc">
-<li class="tocline">
-<del class="diff-old">
-
-</del>
-<a class="tocxref" href="#ch_resource">
-<span class="secno">
-2.1
-</span>
-rdfs:Resource
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_class">
-<span class="secno">
-2.2
-</span>
-rdfs:Class
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_literal">
-<span class="secno">
-2.3
-</span>
-rdfs:Literal
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_datatype">
-<span class="secno">
-2.4
-</span>
-rdfs:Datatype
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_xmlliteral">
-<span class="secno">
-2.5
-</span>
-rdf:XMLLiteral
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_property">
-<span class="secno">
-2.6
-</span>
-rdf:Property
-</a>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_properties">
-<span class="secno">
-3.
-</span>
-Properties
-</a>
-<ul class="toc">
-<li class="tocline">
-<del class="diff-old">
-
-</del>
-<a class="tocxref" href="#ch_range">
-<span class="secno">
-3.1
-</span>
-rdfs:range
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_domain">
-<span class="secno">
-3.2
-</span>
-rdfs:domain
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_type">
-<span class="secno">
-3.3
-</span>
-rdf:type
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_subclassof">
-<span class="secno">
-3.4
-</span>
-rdfs:subClassOf
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_subpropertyof">
-<span class="secno">
-3.5
-</span>
-rdfs:subPropertyOf
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_label">
-<span class="secno">
-3.6
-</span>
-rdfs:label
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_comment">
-<span class="secno">
-3.7
-</span>
-rdfs:comment
-</a>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_domainrange">
-<span class="secno">
-4.
-</span>
-Using
-the
-Domain
-and
-Range
-<del class="diff-old">vocabulary
-(Informative)
-</del>
-<ins class="diff-chg">Vocabulary
-</ins>
-</a>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_othervocab">
-<span class="secno">
-5.
-</span>
-Other
-vocabulary
-</a>
-<ul class="toc">
-<li class="tocline">
-<del class="diff-old">
-
-</del>
-<a class="tocxref" href="#ch_containervocab">
-<span class="secno">
-5.1
-</span>
-Container
-Classes
-and
-Properties
-</a>
-<del class="diff-old">
-
-
-</del>
-<ul class="toc">
-<li class="tocline">
-<a class="tocxref" href="#ch_container">
-<span class="secno">
-5.1.1
-</span>
-rdfs:Container
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_bag">
-<span class="secno">
-5.1.2
-</span>
-rdf:Bag
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_seq">
-<span class="secno">
-5.1.3
-</span>
-rdf:Seq
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_alt">
-<span class="secno">
-5.1.4
-</span>
-rdf:Alt
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_containermembershipproperty">
-<span class="secno">
-5.1.5
-</span>
-rdfs:ContainerMembershipProperty
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_member">
-<span class="secno">
-5.1.6
-</span>
-rdfs:member
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_collectionvocab">
-<span class="secno">
-5.2
-</span>
-RDF
-Collections
-</a>
-<ul class="toc">
-<li class="tocline">
-<del class="diff-old">
-
-
-</del>
-<a class="tocxref" href="#ch_list">
-<span class="secno">
-5.2.1
-</span>
-rdf:List
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_first">
-<span class="secno">
-5.2.2
-</span>
-rdf:first
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_rest">
-<span class="secno">
-5.2.3
-</span>
-rdf:rest
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_nil">
-<span class="secno">
-5.2.4
-</span>
-rdf:nil
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_reificationvocab">
-<span class="secno">
-5.3
-</span>
-Reification
-Vocabulary
-</a>
-<ul class="toc">
-<li class="tocline">
-<del class="diff-old">
-
-
-</del>
-<a class="tocxref" href="#ch_statement">
-<span class="secno">
-5.3.1
-</span>
-rdf:Statement
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_subject">
-<span class="secno">
-5.3.2
-</span>
-rdf:subject
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_predicate">
-<span class="secno">
-5.3.3
-</span>
-rdf:predicate
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_object">
-<span class="secno">
-5.3.4
-</span>
-rdf:object
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_utilvocab">
-<span class="secno">
-5.4
-</span>
-Utility
-Properties
-</a>
-<ul class="toc">
-<li class="tocline">
-<del class="diff-old">
-
-
-</del>
-<a class="tocxref" href="#ch_seealso">
-<span class="secno">
-5.4.1
-</span>
-rdfs:seeAlso
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_isdefinedby">
-<span class="secno">
-5.4.2
-</span>
-rdfs:isDefinedBy
-</a>
-<del class="diff-old">
-
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_value">
-<span class="secno">
-5.4.3
-</span>
-rdf:value
-</a>
-</li>
-</ul>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_summary">
-<span class="secno">
-6.
-</span>
-RDF
-Schema
-summary
-<del class="diff-old">(Informative)
-</del>
-</a>
-<del class="diff-old">
-
-</del>
-<ul class="toc">
-<li class="tocline">
-<a class="tocxref" href="#ch_sumclasses">
-<span class="secno">
-6.1
-<del class="diff-old">Classes
-</del>
-</span>
-<ins class="diff-chg">RDF
-classes
-</ins>
-</a>
-<del class="diff-old">
-
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_sumproperties">
-<span class="secno">
-6.2
-<del class="diff-old">Properties
-</del>
-</span>
-<ins class="diff-chg">RDF
-properties
-</ins>
-</a>
-<del class="diff-old">7.
-References
-</del>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_acknowledgements">
-<span class="secno">
-<ins class="diff-chg">A.
-</ins></span><ins class="diff-chg">
-Acknowledgments
-</ins>
-</a>
-<del class="diff-old">
-
-7.1
-Normative
-References
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#changes">
-<span class="secno">
-<ins class="diff-chg">B.
-</ins></span><ins class="diff-chg">
-Change
-history
-</ins>
-</a>
-<ul class="toc">
-<li class="tocline">
-<del class="diff-old">
-
-7.2
-Informational
-References
-</del>
-<a class="tocxref" href="#PER-changes">
-<span class="secno">
-<ins class="diff-chg">B.1
-</ins></span><ins class="diff-chg">
-Changes
-for
-Proposed
-Edited
-Recommendation
-in
-2013
-</ins>
-</a>
-<del class="diff-old">8.
-Acknowledgments
-</del>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#2004-changes">
-<span class="secno">
-<ins class="diff-chg">B.2
-</ins></span><ins class="diff-chg">
-Changes
-history
-of
-the
-2004
-Recommendation
-</ins>
-</a>
-<del class="diff-old">Appendix
-A
-</del>
-</li>
-</ul>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#ch_appendix_rdfs">
-<span class="secno">
-<ins class="diff-chg">C.
-</ins></span>
-RDF
-Schema
-as
-RDF/XML
-</a>
-</li>
-<li class="tocline">
-<a class="tocxref" href="#references">
-<span class="secno">
-<ins class="diff-chg">D.
-</ins></span><ins class="diff-chg">
-References
-</ins></a><ul class="toc"><li class="tocline">
-<a class="tocxref" href="#normative-references">
-<span class="secno">
-<ins class="diff-new">D.1
-</ins></span><ins class="diff-new">
-Normative
-references
-</ins></a></li><li class="tocline"><a class="tocxref" href="#informative-references"><span class="secno"><ins class="diff-new">
-D.2
-</ins></span><ins class="diff-new">
-Informative
-references
-</ins>
-</a>
-</li>
-</ul>
-</li>
-</ul>
-</section>
-</div>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_introduction">
-<h2 id="h2_ch_introduction" role="heading" aria-level="1">
-<span class="secno">
-1.
-</span>
-Introduction
-</h2>
-<p>
-The
-Resource
-Description
-Framework
-(RDF)
-is
-a
-general-purpose
-language
-for
-representing
-information
-in
-the
-Web.
-</p>
-<p>
-This
-specification
-<del class="diff-old">is
-one
-of
-several
-[
-RDF-PRIMER
-]
-[
-RDF-SYNTAX
-]
-[
-RDF-CONCEPTS
-]
-[
-RDF-SEMANTICS
-]
-[
-RDF-TESTS
-]
-related
-to
-RDF.
-The
-reader
-is
-referred
-to
-the
-RDF
-schema
-chapter
-in
-the
-RDF
-Primer
-[
-RDF-PRIMER
-]
-for
-an
-informal
-introduction
-and
-examples
-of
-the
-use
-of
-the
-concepts
-specified
-in
-this
-document.
-This
-specification
-</del>
-introduces
-RDF's
-vocabulary
-description
-language,
-RDF
-Schema.
-It
-is
-complemented
-by
-several
-companion
-documents
-which
-describe
-<del class="diff-old">RDF's
-XML
-encoding
-</del>
-<ins class="diff-chg">the
-basic
-concepts
-and
-abstract
-stntax
-of
-RDF
-</ins>
-[
-<del class="diff-old">RDF-SYNTAX
-</del>
-<cite>
-<a href="#bib-RDF11-CONCEPTS" class="bibref">
-<ins class="diff-chg">RDF11-CONCEPTS
-</ins>
-</a>
-</cite>
-],
-<del class="diff-old">mathematical
-foundations
-</del>
-<ins class="diff-chg">the
-formal
-semantics
-of
-RDF
-</ins>
-[
-<del class="diff-old">RDF-SEMANTICS
-</del>
-<cite>
-<a href="#bib-RDF11-MT" class="bibref">
-<ins class="diff-chg">RDF11-MT
-</ins>
-</a>
-<del class="diff-old">]
-</del>
-</cite>
-<ins class="diff-chg">],
-</ins>
-and
-<del class="diff-old">Resource
-Description
-Framework
-(RDF):
-Concepts
-</del>
-<ins class="diff-chg">various
-concrete
-syntaxes
-for
-RDF,
-such
-as
-Turtle
-[
-</ins><cite><a href="#bib-TURTLE" class="bibref"><ins class="diff-chg">
-TURTLE
-</ins></a></cite><ins class="diff-chg">
-],
-TriG,
-[
-</ins><cite><a href="#bib-TRIG" class="bibref"><ins class="diff-chg">
-TRIG
-</ins></a></cite><ins class="diff-chg">
-],
-</ins>
-and
-<del class="diff-old">Abstract
-Syntax
-</del>
-<ins class="diff-chg">JSON-LD
-</ins>
-[
-<del class="diff-old">RDF-CONCEPTS
-</del>
-<cite>
-<a href="#bib-JSON-LD" class="bibref">
-<ins class="diff-chg">JSON-LD
-</ins>
-</a>
-</cite>
-].
-The
-RDF
-Primer
-[
-<del class="diff-old">RDF-PRIMER
-</del>
-<cite>
-<a href="#bib-RDF11-PRIMER" class="bibref">
-<ins class="diff-chg">RDF11-PRIMER
-</ins>
-</a>
-</cite>
-]
-provides
-an
-informal
-introduction
-and
-examples
-of
-the
-use
-of
-the
-concepts
-specified
-in
-this
-document.
-</p>
-<p>
-This
-document
-is
-intended
-to
-provide
-a
-clear
-specification
-of
-the
-RDF
-vocabulary
-description
-language
-to
-those
-who
-find
-the
-formal
-semantics
-<del class="diff-old">specification,
-RDF
-Semantics
-</del>
-<ins class="diff-chg">specification
-</ins>
-[
-<del class="diff-old">RDF-SEMANTICS
-</del>
-<cite>
-<a href="#bib-RDF11-MT" class="bibref">
-<ins class="diff-chg">RDF11-MT
-</ins>
-</a>
-</cite>
-]
-daunting.
-Thus,
-this
-document
-duplicates
-material
-also
-specified
-in
-the
-RDF
-Semantics
-specification
-.
-Where
-there
-is
-disagreement
-between
-this
-document
-and
-the
-RDF
-Semantics
-specification,
-the
-RDF
-Semantics
-specification
-should
-be
-taken
-to
-be
-correct.
-</p>
-<p>
-RDF
-properties
-may
-be
-thought
-of
-as
-attributes
-of
-resources
-and
-in
-this
-sense
-correspond
-to
-traditional
-attribute-value
-pairs.
-RDF
-properties
-also
-represent
-relationships
-between
-resources.
-</p>
-<p>
-RDF
-however,
-provides
-no
-mechanisms
-for
-describing
-these
-properties,
-nor
-does
-it
-provide
-any
-mechanisms
-for
-describing
-the
-relationships
-between
-these
-properties
-and
-other
-resources.
-That
-is
-the
-role
-of
-the
-RDF
-vocabulary
-description
-language,
-RDF
-Schema.
-RDF
-Schema
-defines
-classes
-and
-properties
-that
-may
-be
-used
-to
-describe
-classes,
-properties
-and
-other
-resources.
-</p>
-<p>
-This
-document
-does
-not
-specify
-a
-vocabulary
-of
-descriptive
-properties
-such
-as
-"author".
-Instead
-it
-specifies
-mechanisms
-that
-may
-be
-used
-to
-name
-and
-describe
-properties
-and
-the
-classes
-of
-resource
-they
-describe.
-</p>
-<p>
-RDF's
-vocabulary
-description
-language,
-RDF
-Schema,
-is
-a
-<a href="http://www.w3.org/TR/rdf11-mt/#semantic-extensions-and-entailment-regimes">
-semantic
-extension
-<del class="diff-old">(as
-defined
-in
-[
-RDF-SEMANTICS
-</del>
-</a>
-<del class="diff-old">])
-</del>
-of
-RDF.
-It
-provides
-mechanisms
-for
-describing
-groups
-of
-related
-resources
-and
-the
-relationships
-between
-these
-resources.
-RDF
-Schema
-vocabulary
-descriptions
-are
-written
-in
-RDF
-using
-the
-terms
-described
-in
-this
-document.
-These
-resources
-are
-used
-to
-determine
-characteristics
-of
-other
-resources,
-such
-as
-the
-<a href="#ch_domain">
-domains
-</a>
-and
-<a href="#ch_range">
-ranges
-</a>
-of
-properties.
-</p>
-<p>
-The
-RDF
-vocabulary
-description
-language
-class
-and
-property
-system
-is
-similar
-to
-the
-type
-systems
-of
-object-oriented
-programming
-languages
-such
-as
-Java.
-RDF
-differs
-from
-many
-such
-systems
-in
-that
-instead
-of
-defining
-a
-class
-in
-terms
-of
-the
-properties
-its
-instances
-may
-have,
-the
-RDF
-vocabulary
-description
-language
-describes
-properties
-in
-terms
-of
-the
-classes
-of
-resource
-to
-which
-they
-apply.
-This
-is
-the
-role
-of
-the
-<a href="#ch_domain">
-domain
-</a>
-and
-<a href="#ch_range">
-range
-</a>
-mechanisms
-described
-in
-this
-specification.
-For
-example,
-we
-could
-define
-the
-<code>
-eg:author
-</code>
-property
-to
-have
-a
-domain
-of
-<code>
-eg:Document
-</code>
-and
-a
-range
-of
-<code>
-eg:Person
-</code>,
-whereas
-a
-classical
-object
-oriented
-system
-might
-typically
-define
-a
-class
-<code>
-eg:Book
-</code>
-with
-an
-attribute
-called
-<code>
-eg:author
-</code>
-of
-type
-<code>
-eg:Person
-</code>.
-Using
-the
-RDF
-approach,
-it
-is
-easy
-for
-others
-to
-subsequently
-define
-additional
-properties
-with
-a
-domain
-of
-eg:
-<code>
-Document
-</code>
-or
-a
-range
-of
-<code>
-eg:Person
-</code>.
-This
-can
-be
-done
-without
-the
-need
-to
-re-define
-the
-original
-description
-of
-these
-classes.
-One
-benefit
-of
-the
-RDF
-property-centric
-approach
-is
-that
-it
-allows
-anyone
-to
-extend
-the
-description
-of
-existing
-resources,
-one
-of
-the
-architectural
-principles
-of
-the
-Web
-[
-<cite>
-<a href="#bib-BERNERS-LEE98" class="bibref">
-BERNERS-LEE98
-</a>
-</cite>
-].
-</p>
-<p>
-This
-specification
-does
-not
-attempt
-to
-enumerate
-all
-the
-possible
-forms
-of
-vocabulary
-description
-that
-are
-useful
-for
-representing
-the
-meaning
-of
-RDF
-classes
-and
-properties.
-Instead,
-the
-RDF
-vocabulary
-description
-strategy
-is
-to
-acknowledge
-that
-there
-are
-many
-techniques
-through
-which
-the
-meaning
-of
-classes
-and
-properties
-can
-be
-described.
-Richer
-vocabulary
-or
-'ontology'
-languages
-such
-as
-<del class="diff-old">DAML+OIL,
-W3C's
-[
-</del>
-OWL
-<ins class="diff-new">[
-</ins><cite><a href="#bib-OWL2-OVERVIEW" class="bibref"><ins class="diff-new">
-OWL2-OVERVIEW
-</ins>
-</a>
-<del class="diff-old">]
-language,
-</del>
-</cite>
-<ins class="diff-chg">],
-</ins>
-inference
-rule
-languages
-and
-other
-formalisms
-(for
-example
-temporal
-logics)
-will
-each
-contribute
-to
-our
-ability
-to
-capture
-meaningful
-generalizations
-about
-data
-in
-the
-Web.
-RDF
-vocabulary
-designers
-can
-create
-and
-deploy
-Semantic
-Web
-applications
-using
-the
-RDF
-vocabulary
-description
-language
-<del class="diff-old">1.0
-</del>
-facilities,
-while
-exploring
-richer
-vocabulary
-description
-languages
-that
-share
-this
-general
-approach.
-</p>
-<p>
-The
-language
-defined
-in
-this
-specification
-consists
-of
-a
-collection
-of
-RDF
-resources
-that
-can
-be
-used
-to
-describe
-properties
-of
-other
-RDF
-resources
-(including
-properties)
-in
-application-specific
-RDF
-vocabularies.
-The
-core
-vocabulary
-is
-defined
-in
-a
-namespace
-informally
-called
-'rdfs'
-here.
-That
-namespace
-is
-identified
-by
-the
-<del class="diff-old">URI-Reference
-</del>
-<ins class="diff-chg">IRI
-</ins></p><blockquote><code>
-http://www.w3.org/2000/01/rdf-schema#
-</code>
-</blockquote>
-and
-is
-<ins class="diff-new">conventiuonally
-</ins>
-associated
-with
-the
-prefix
-'rdfs'.
-This
-specification
-also
-uses
-the
-prefix
-'rdf'
-to
-refer
-to
-the
-RDF
-namespace
-<del class="diff-old">http://www.w3.org/1999/02/22-rdf-syntax-ns#.
-</del>
-<p>
-</p>
-<blockquote>
-<code>
-<ins class="diff-new">http://www.w3.org/1999/02/22-rdf-syntax-ns#
-</ins></code></blockquote>
-<p>
-For
-convenience
-and
-readability,
-this
-specification
-uses
-an
-abbreviated
-form
-to
-represent
-<del class="diff-old">URI-References.
-</del>
-<ins class="diff-chg">IRIs.
-</ins>
-A
-name
-of
-the
-form
-prefix:suffix
-should
-be
-interpreted
-as
-a
-<del class="diff-old">URI-Reference
-</del>
-<ins class="diff-chg">IRI
-</ins>
-consisting
-of
-the
-<del class="diff-old">URI-Reference
-</del>
-<ins class="diff-chg">IRI
-</ins>
-associated
-with
-the
-prefix
-concatenated
-with
-the
-suffix.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_classes">
-<h2 id="h2_ch_classes" role="heading" aria-level="1">
-<span class="secno">
-2.
-</span>
-Classes
-</h2>
-<p>
-Resources
-may
-be
-divided
-into
-groups
-called
-classes.
-The
-members
-of
-a
-class
-are
-known
-as
-<em>
-instances
-</em>
-of
-the
-class.
-Classes
-are
-themselves
-resources.
-They
-are
-often
-identified
-by
-<a href="http://www.w3.org/TR/rdf11-concepts/#section-IRIs">
-RDF
-<del class="diff-old">URI
-References
-</del>
-<ins class="diff-chg">IRIs
-</ins>
-</a>
-and
-may
-be
-described
-using
-RDF
-properties.
-The
-<code>
-<a href="#ch_type">
-rdf:type
-</a>
-</code>
-property
-may
-be
-used
-to
-state
-that
-a
-resource
-is
-an
-instance
-of
-a
-class.
-</p>
-<p>
-RDF
-distinguishes
-between
-a
-class
-and
-the
-set
-of
-its
-instances.
-Associated
-with
-each
-class
-is
-a
-set,
-called
-the
-class
-extension
-of
-the
-class,
-which
-is
-the
-set
-of
-the
-instances
-of
-the
-class.
-Two
-classes
-may
-have
-the
-same
-set
-of
-instances
-but
-be
-different
-classes.
-For
-example,
-the
-tax
-office
-may
-define
-the
-class
-of
-people
-living
-at
-the
-same
-address
-as
-the
-editor
-of
-this
-document.
-The
-Post
-Office
-may
-define
-the
-class
-of
-people
-whose
-address
-has
-the
-same
-zip
-code
-as
-the
-address
-of
-the
-author.
-It
-is
-possible
-for
-these
-classes
-to
-have
-exactly
-the
-same
-instances,
-yet
-to
-have
-different
-properties.
-Only
-one
-of
-the
-classes
-has
-the
-property
-that
-it
-was
-defined
-by
-the
-tax
-office,
-and
-only
-the
-other
-has
-the
-property
-that
-it
-was
-defined
-by
-the
-Post
-Office.
-</p>
-<p>
-A
-class
-may
-be
-a
-member
-of
-its
-own
-class
-extension
-and
-may
-be
-an
-instance
-of
-itself.
-</p>
-<p>
-The
-group
-of
-resources
-that
-are
-RDF
-Schema
-classes
-is
-itself
-a
-class
-called
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-</p>
-<p id="def-subclass">
-If
-a
-class
-C
-is
-a
-<em>
-subclass
-</em>
-of
-a
-class
-C',
-then
-all
-instances
-of
-C
-will
-also
-be
-instances
-of
-C'.
-The
-<a href="#ch_subclassof">
-<code>
-rdfs:subClassOf
-</code>
-</a>
-property
-may
-be
-used
-to
-state
-that
-one
-class
-is
-a
-subclass
-of
-another.
-The
-term
-super-class
-is
-used
-as
-the
-inverse
-of
-subclass.
-If
-a
-class
-C'
-is
-a
-super-class
-of
-a
-class
-C,
-then
-all
-instances
-of
-C
-are
-also
-instances
-of
-C'.
-</p>
-<p>
-The
-RDF
-Concepts
-and
-Abstract
-Syntax
-[
-<del class="diff-old">RDF-CONCEPTS
-</del>
-<cite>
-<a href="#bib-RDF11-CONCEPTS" class="bibref">
-<ins class="diff-chg">RDF11-CONCEPTS
-</ins>
-</a>
-</cite>
-]
-specification
-defines
-the
-RDF
-concept
-of
-an
-<a href="http://www.w3.org/TR/rdf11-concepts/#section-Datatypes">
-RDF
-datatype
-</a>.
-All
-datatypes
-are
-classes.
-The
-instances
-of
-a
-class
-that
-is
-a
-datatype
-are
-the
-members
-of
-the
-value
-space
-of
-the
-datatype.
-</p>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_resource">
-<h3 id="h3_ch_resource" role="heading" aria-level="2">
-<span class="secno">
-2.1
-</span>
-rdfs:Resource
-</h3>
-<p>
-All
-things
-described
-by
-RDF
-are
-called
-<em>
-resources
-</em>,
-and
-are
-instances
-of
-the
-class
-<code>
-rdfs:Resource
-</code>.
-This
-is
-the
-class
-of
-everything.
-All
-other
-classes
-are
-<a href="#def-subclass">
-subclasses
-</a>
-of
-this
-class.
-<code>
-rdfs:Resource
-</code>
-is
-an
-instance
-of
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_class">
-<h3 id="h3_ch_class" role="heading" aria-level="2">
-<span class="secno">
-2.2
-</span>
-rdfs:Class
-</h3>
-<p>
-This
-is
-the
-class
-of
-resources
-that
-are
-RDF
-classes.
-<code>
-rdfs:Class
-</code>
-is
-an
-instance
-of
-<code>
-rdfs:Class.
-</code>
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_literal">
-<h3 id="h3_ch_literal" role="heading" aria-level="2">
-<span class="secno">
-2.3
-</span>
-rdfs:Literal
-</h3>
-<p>
-The
-class
-<code>
-rdfs:Literal
-</code>
-is
-the
-class
-of
-<a href="http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal">
-literal
-</a>
-values
-such
-as
-strings
-and
-integers.
-Property
-values
-such
-as
-textual
-strings
-are
-examples
-of
-RDF
-literals.
-<del class="diff-old">Literals
-may
-be
-plain
-or
-typed
-.
-A
-typed
-literal
-is
-an
-instance
-of
-a
-datatype
-class.
-This
-specification
-does
-not
-define
-the
-class
-of
-plain
-literals.
-</del>
-</p>
-<p>
-<code>
-rdfs:Literal
-</code>
-is
-an
-instance
-of
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-rdfs:Literal
-is
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-<a href="#ch_resource">
-rdfs:Resource
-</a>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_datatype">
-<h3 id="h3_ch_datatype" role="heading" aria-level="2">
-<span class="secno">
-2.4
-</span>
-rdfs:Datatype
-</h3>
-<p>
-<code>
-rdfs:Datatype
-</code>
-is
-the
-class
-of
-datatypes.
-All
-instances
-of
-<code>
-rdfs:Datatype
-</code>
-correspond
-to
-the
-<a href="http://www.w3.org/TR/rdf11-concepts/#section-Datatypes">
-RDF
-model
-of
-a
-datatype
-</a>
-described
-in
-the
-RDF
-Concepts
-specification
-[
-<del class="diff-old">RDF-CONCEPTS
-</del>
-<cite>
-<a href="#bib-RDF11-CONCEPTS" class="bibref">
-<ins class="diff-chg">RDF11-CONCEPTS
-</ins>
-</a>
-</cite>
-].
-<code>
-rdfs:Datatype
-</code>
-is
-both
-an
-instance
-of
-and
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-Each
-instance
-of
-<code>
-rdfs:Datatype
-</code>
-is
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-rdfs:Literal.
-</p>
-</section>
-<div class="issue">
-<div id="h_issue_1" role="heading" aria-level="2" class="issue-title">
-<span>
-<ins class="diff-chg">Issue
-1
-</ins></span>
-</div>
-<div class="">
-<ins class="diff-chg">We
-should
-add
-the
-two
-new
-datatypes
-</ins><code><ins class="diff-chg">
-rdf:HTML
-</ins></code><ins class="diff-chg">
-and
-</ins><code><ins class="diff-chg">
-rdf:langString
-</ins></code>.</div></div><section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_xmlliteral"><h3 id="h3_ch_xmlliteral" role="heading" aria-level="2"><span class="secno">
-2.5
-</span>
-rdf:XMLLiteral
-</h3>
-<p>
-The
-class
-<code>
-rdf:XMLLiteral
-</code>
-is
-the
-class
-of
-<a href="http://www.w3.org/TR/rdf11-concepts/#section-XMLLiteral">
-XML
-literal
-values
-</a>.
-<code>
-rdf:XMLLiteral
-</code>
-is
-an
-instance
-of
-<code>
-rdfs:Datatype
-</code>
-and
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-<a href="#ch_literal">
-<code>
-rdfs:Literal
-</code>
-</a>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_property">
-<h3 id="h3_ch_property" role="heading" aria-level="2">
-<span class="secno">
-2.6
-</span>
-rdf:Property
-</h3>
-<p>
-<code>
-rdf:Property
-</code>
-is
-the
-class
-of
-RDF
-properties.
-<code>
-rdf:Property
-</code>
-is
-an
-instance
-of
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-</p>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_properties">
-<h2 id="h2_ch_properties" role="heading" aria-level="1">
-<span class="secno">
-3.
-</span>
-Properties
-</h2>
-<p>
-The
-RDF
-Concepts
-and
-Abstract
-Syntax
-specification
-[
-<cite>
-<a href="#bib-RDF-CONCEPTS" class="bibref">
-RDF-CONCEPTS
-</a>
-</cite>
-]
-describes
-the
-concept
-of
-an
-RDF
-property
-as
-a
-relation
-between
-subject
-resources
-and
-object
-resources.
-</p>
-<p id="def-subproperty">
-This
-specification
-defines
-the
-concept
-of
-subproperty.
-The
-<a href="#ch_subclassof">
-<code>
-rdfs:subPropertyOf
-</code>
-</a>
-property
-may
-be
-used
-to
-state
-that
-one
-property
-is
-a
-subproperty
-of
-another.
-If
-a
-property
-P
-is
-a
-subproperty
-of
-property
-P',
-then
-all
-pairs
-of
-resources
-which
-are
-related
-by
-P
-are
-also
-related
-by
-P'.
-The
-term
-super-property
-is
-often
-used
-as
-the
-inverse
-of
-subproperty.
-If
-a
-property
-P'
-is
-a
-super-property
-of
-a
-property
-P,
-then
-all
-pairs
-of
-resources
-which
-are
-related
-by
-P
-are
-also
-related
-by
-P'.
-This
-specification
-does
-not
-define
-a
-top
-property
-that
-is
-the
-super-property
-of
-all
-properties.
-</p>
-<div class="note">
-<div id="h_note_1" role="heading" aria-level="2" class="note-title">
-<span>
-Note
-<del class="diff-old">:
-</del>
-</span>
-</div>
-<div class="">
-The
-basic
-facilities
-provided
-by
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-and
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-do
-not
-provide
-any
-direct
-way
-to
-indicate
-property
-restrictions
-that
-are
-local
-to
-a
-class.
-Although
-it
-is
-possible
-to
-combine
-use
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-and
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-with
-sub-property
-hierarchies,
-direct
-support
-for
-such
-declarations
-are
-provided
-by
-richer
-Web
-Ontology
-languages
-such
-as
-<del class="diff-old">[
-</del>
-OWL
-<ins class="diff-new">[
-</ins><cite><a href="#bib-OWL2-OVERVIEW" class="bibref"><ins class="diff-new">
-OWL2-OVERVIEW
-</ins>
-</a>
-<del class="diff-old">].
-</del>
-</cite>
-<ins class="diff-chg">].
-</ins></div></div><section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_range"><h3 id="h3_ch_range" role="heading" aria-level="2">
-<span class="secno">
-3.1
-</span>
-rdfs:range
-</h3>
-<p>
-<code>
-rdfs:range
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-state
-that
-the
-values
-of
-a
-property
-are
-instances
-of
-one
-or
-more
-classes.
-</p>
-<p>
-The
-triple
-</p>
-<blockquote>
-<code>
-P
-rdfs:range
-C
-</code>
-</blockquote>
-<p>
-states
-that
-P
-is
-an
-instance
-of
-the
-class
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>,
-that
-C
-is
-an
-instance
-of
-the
-class
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>
-and
-that
-the
-resources
-denoted
-by
-the
-objects
-of
-triples
-whose
-predicate
-is
-P
-are
-instances
-of
-the
-class
-C.
-</p>
-<p>
-Where
-P
-has
-more
-than
-one
-rdfs:range
-property,
-then
-the
-resources
-denoted
-by
-the
-objects
-of
-triples
-with
-predicate
-P
-are
-instances
-of
-all
-the
-classes
-stated
-by
-the
-<code>
-rdfs:range
-</code>
-properties.
-</p>
-<p>
-The
-<code>
-rdfs:range
-</code>
-property
-can
-be
-applied
-to
-itself.
-The
-rdfs:range
-of
-<code>
-rdfs:range
-</code>
-is
-the
-class
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-This
-states
-that
-any
-resource
-that
-is
-the
-value
-of
-an
-<code>
-rdfs:range
-</code>
-property
-is
-an
-instance
-of
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-</p>
-<p>
-The
-<code>
-rdfs:range
-</code>
-property
-is
-applied
-to
-properties.
-This
-can
-be
-represented
-in
-RDF
-using
-the
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-property.
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdfs:range
-</code>
-is
-the
-class
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>.
-This
-states
-that
-any
-resource
-with
-an
-<code>
-rdfs:range
-</code>
-property
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_domain">
-<h3 id="h3_ch_domain" role="heading" aria-level="2">
-<span class="secno">
-3.2
-</span>
-rdfs:domain
-</h3>
-<p>
-<code>
-rdfs:domain
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-state
-that
-any
-resource
-that
-has
-a
-given
-property
-is
-an
-instance
-of
-one
-or
-more
-classes.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-P
-rdfs:domain
-C
-</code>
-</blockquote>
-<p>
-states
-that
-P
-is
-an
-instance
-of
-the
-class
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>,
-that
-C
-is
-a
-instance
-of
-the
-class
-<code>
-<a href="#ch_class">
-rdfs:Class
-</a>
-</code>
-and
-that
-the
-resources
-denoted
-by
-the
-subjects
-of
-triples
-whose
-predicate
-is
-P
-are
-instances
-of
-the
-class
-C.
-</p>
-<p>
-Where
-a
-property
-P
-has
-more
-than
-one
-rdfs:domain
-property,
-then
-the
-resources
-denoted
-by
-subjects
-of
-triples
-with
-predicate
-P
-are
-instances
-of
-all
-the
-classes
-stated
-by
-the
-<code>
-rdfs:domain
-</code>
-properties.
-</p>
-<p>
-The
-<code>
-rdfs:domain
-</code>
-property
-may
-be
-applied
-to
-itself.
-The
-rdfs:domain
-of
-<code>
-rdfs:domain
-</code>
-is
-the
-class
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>.
-This
-states
-that
-any
-resource
-with
-an
-<code>
-rdfs:domain
-</code>
-property
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>.
-</p>
-<p>
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-<code>
-rdfs:domain
-</code>
-is
-the
-class
-<code>
-<a href="#ch_class">
-rdfs:Class
-</a>
-</code>.
-This
-states
-that
-any
-resource
-that
-is
-the
-value
-of
-an
-<code>
-rdfs:domain
-</code>
-property
-is
-an
-instance
-of
-<code>
-<a href="#ch_class">
-rdfs:Class
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_type">
-<h3 id="h3_ch_type" role="heading" aria-level="2">
-<span class="secno">
-3.3
-</span>
-rdf:type
-</h3>
-<p>
-<code>
-rdf:type
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-state
-that
-a
-resource
-is
-an
-instance
-of
-a
-class.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-R
-rdf:type
-C
-</code>
-</blockquote>
-<p>
-states
-that
-C
-is
-an
-instance
-of
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>
-and
-R
-is
-an
-instance
-of
-C.
-</p>
-<p>
-The
-<code>
-<a href="#ch_domain">
-rdfs:domain
-</a>
-</code>
-of
-<code>
-rdf:type
-</code>
-is
-<a href="#ch_resource">
-rdfs:Resource
-</a>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-rdf:type
-is
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_subclassof">
-<h3 id="h3_ch_subclassof" role="heading" aria-level="2">
-<span class="secno">
-3.4
-</span>
-rdfs:subClassOf
-</h3>
-<p>
-The
-property
-<code>
-rdfs:subClassOf
-</code>
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>
-that
-is
-used
-to
-state
-that
-all
-the
-instances
-of
-one
-class
-are
-instances
-of
-another.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-C1
-rdfs:subClassOf
-C2
-</code>
-</blockquote>
-<p>
-states
-that
-C1
-is
-an
-instance
-of
-<code>
-<a href="#ch_class">
-rdfs:Class
-</a>
-</code>,
-C2
-is
-an
-instance
-of
-<code>
-<a href="#ch_class">
-rdfs:Class
-</a>
-</code>
-and
-C1
-is
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-C2.
-The
-<code>
-rdfs:subClassOf
-</code>
-property
-is
-transitive.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdfs:subClassOf
-</code>
-is
-<code>
-<a href="#ch_class">
-rdfs:Class
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-<code>
-rdfs:subClassOf
-</code>
-is
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_subpropertyof">
-<h3 id="h3_ch_subpropertyof" role="heading" aria-level="2">
-<span class="secno">
-3.5
-</span>
-rdfs:subPropertyOf
-</h3>
-<p>
-The
-property
-<code>
-rdfs:subPropertyOf
-</code>
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>
-that
-is
-used
-to
-state
-that
-all
-resources
-related
-by
-one
-property
-are
-also
-related
-by
-another.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-P1
-rdfs:subPropertyOf
-P2
-</code>
-</blockquote>
-<p>
-states
-that
-P1
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>,
-P2
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>
-and
-P1
-is
-a
-<a href="#def-subproperty">
-subproperty
-</a>
-of
-P2.
-The
-<code>
-rdfs:subPropertyOf
-</code>
-property
-is
-transitive.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdfs:subPropertyOf
-</code>
-is
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-rdfs:subPropertyOf
-is
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_label">
-<h3 id="h3_ch_label" role="heading" aria-level="2">
-<span class="secno">
-3.6
-</span>
-rdfs:label
-</h3>
-<p>
-<code>
-rdfs:label
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-may
-be
-used
-to
-provide
-a
-human-readable
-version
-of
-a
-resource's
-name.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-R
-rdfs:label
-L
-</code>
-</blockquote>
-<p>
-states
-that
-L
-is
-a
-human
-readable
-label
-for
-R.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdfs:label
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-rdfs:label
-is
-<a href="#ch_literal">
-<code>
-rdfs:Literal
-</code>
-</a>.
-</p>
-<p>
-Multilingual
-labels
-are
-supported
-using
-the
-<a href="http://www.w3.org/TR/2004/REC-rdf-concepts-20040210/#section-Graph-Literal">
-language
-tagging
-</a>
-facility
-of
-RDF
-literals.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_comment">
-<h3 id="h3_ch_comment" role="heading" aria-level="2">
-<span class="secno">
-3.7
-</span>
-rdfs:comment
-</h3>
-<p>
-<code>
-rdfs:comment
-</code>
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>
-that
-may
-be
-used
-to
-provide
-a
-human-readable
-description
-of
-a
-resource.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-R
-rdfs:comment
-L
-</code>
-</blockquote>
-<p>
-states
-that
-L
-is
-a
-human
-readable
-description
-of
-R.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdfs:comment
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-rdfs:comment
-is
-<a href="#ch_literal">
-<code>
-rdfs:Literal
-</code>
-</a>.
-</p>
-<p>
-A
-textual
-comment
-helps
-clarify
-the
-meaning
-of
-RDF
-classes
-and
-properties.
-Such
-in-line
-documentation
-complements
-the
-use
-of
-both
-formal
-techniques
-(Ontology
-and
-rule
-languages)
-and
-informal
-(prose
-documentation,
-examples,
-test
-cases).
-A
-variety
-of
-documentation
-forms
-can
-be
-combined
-to
-indicate
-the
-intended
-meaning
-of
-the
-classes
-and
-properties
-described
-in
-an
-RDF
-vocabulary.
-Since
-RDF
-vocabularies
-are
-expressed
-as
-RDF
-graphs,
-vocabularies
-defined
-in
-other
-namespaces
-may
-be
-used
-to
-provide
-richer
-documentation.
-</p>
-<p>
-Multilingual
-documentation
-is
-supported
-through
-use
-of
-the
-<a href="http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal">
-language
-tagging
-</a>
-facility
-of
-RDF
-literals.
-</p>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" class="informative" id="ch_domainrange">
-<h2 id="h2_ch_domainrange" role="heading" aria-level="1">
-<span class="secno">
-4.
-</span>
-Using
-the
-Domain
-and
-Range
-Vocabulary
-<del class="diff-old">(Informative)
-</del>
-</h2>
-<p>
-<em>
-<ins class="diff-new">This
-section
-is
-non-normative.
-</ins></em></p><p>
-This
-specification
-introduces
-an
-RDF
-vocabulary
-for
-describing
-the
-meaningful
-use
-of
-properties
-and
-classes
-in
-RDF
-data.
-For
-example,
-an
-RDF
-vocabulary
-might
-describe
-limitations
-on
-the
-types
-of
-values
-that
-are
-appropriate
-for
-some
-property,
-or
-on
-the
-classes
-to
-which
-it
-makes
-sense
-to
-ascribe
-such
-properties.
-</p>
-<p>
-The
-RDF
-Vocabulary
-Description
-language
-provides
-a
-mechanism
-for
-describing
-this
-information,
-but
-does
-not
-say
-whether
-or
-how
-an
-application
-should
-use
-it.
-For
-example,
-while
-an
-RDF
-vocabulary
-can
-assert
-that
-an
-<code>
-author
-</code>
-property
-is
-used
-to
-indicate
-resources
-that
-are
-instances
-of
-the
-class
-<code>
-Person
-</code>,
-it
-does
-not
-say
-whether
-or
-how
-an
-application
-should
-act
-in
-processing
-that
-range
-information.
-Different
-applications
-will
-use
-this
-information
-in
-different
-ways.
-For
-example,
-data
-checking
-tools
-might
-use
-this
-to
-help
-discover
-errors
-in
-some
-data
-set,
-an
-interactive
-editor
-might
-suggest
-appropriate
-values,
-and
-a
-reasoning
-application
-might
-use
-it
-to
-infer
-additional
-information
-from
-instance
-data.
-</p>
-<p>
-RDF
-vocabularies
-can
-describe
-relationships
-between
-vocabulary
-items
-from
-multiple
-independently
-developed
-vocabularies.
-Since
-<del class="diff-old">URI-References
-</del>
-<ins class="diff-chg">IRIs
-</ins>
-are
-used
-to
-identify
-classes
-and
-properties
-in
-the
-Web,
-it
-is
-possible
-to
-create
-new
-properties
-that
-have
-a
-<code>
-domain
-</code>
-or
-<code>
-range
-</code>
-whose
-value
-is
-a
-class
-defined
-in
-another
-namespace.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_othervocab">
-<h2 id="h2_ch_othervocab" role="heading" aria-level="1">
-<span class="secno">
-5.
-</span>
-Other
-vocabulary
-</h2>
-<p>
-Additional
-classes
-and
-properties,
-including
-constructs
-for
-representing
-containers
-and
-RDF
-statements,
-and
-for
-deploying
-RDF
-vocabulary
-descriptions
-in
-the
-World
-Wide
-Web
-are
-defined
-in
-this
-section.
-</p>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_containervocab">
-<h3 id="h3_ch_containervocab" role="heading" aria-level="2">
-<span class="secno">
-5.1
-</span>
-Container
-Classes
-and
-Properties
-</h3>
-<p>
-RDF
-containers
-are
-resources
-that
-are
-used
-to
-represent
-collections.
-An
-introduction
-to
-RDF
-containers
-with
-examples
-may
-be
-found
-in
-the
-<a href="http://www.w3.org/TR/2004/REC-rdf-primer-20040210/#containers">
-RDF
-<ins class="diff-new">2004
-</ins>
-Primer
-<del class="diff-old">[
-RDF-PRIMER
-].
-</del>
-</a>.
-The
-same
-resource
-may
-appear
-in
-a
-container
-more
-than
-once.
-Unlike
-containment
-in
-the
-physical
-world,
-a
-container
-may
-be
-contained
-in
-itself.
-</p>
-<p>
-Three
-different
-kinds
-of
-container
-are
-defined.
-Whilst
-the
-formal
-semantics
-[
-<del class="diff-old">RDF-SEMANTICS
-</del>
-<cite>
-<a href="#bib-RDF11-MT" class="bibref">
-<ins class="diff-chg">RDF11-MT
-</ins>
-</a>
-</cite>
-]
-of
-all
-three
-classes
-of
-container
-are
-identical,
-different
-classes
-may
-be
-used
-to
-indicate
-informally
-further
-information.
-An
-rdf:Bag
-is
-used
-to
-indicate
-that
-the
-container
-is
-intended
-to
-be
-unordered.
-An
-rdf:Seq
-is
-used
-to
-indicate
-that
-the
-order
-indicated
-by
-the
-numerical
-order
-of
-the
-<a href="#ch_containermembershipproperty">
-container
-member
-ship
-properties
-</a>
-of
-the
-container
-is
-intended
-to
-be
-significant.
-An
-rdf:Alt
-container
-is
-used
-to
-indicate
-that
-typical
-processing
-of
-the
-container
-will
-be
-to
-select
-one
-of
-the
-members.
-</p>
-<p>
-Just
-as
-a
-hen
-house
-may
-have
-the
-property
-that
-it
-is
-made
-of
-wood,
-that
-does
-not
-mean
-that
-all
-the
-hens
-it
-contains
-are
-made
-of
-wood,
-a
-property
-of
-a
-container
-is
-not
-necessarily
-a
-property
-of
-all
-of
-its
-members.
-</p>
-<p>
-RDF
-containers
-are
-defined
-by
-the
-following
-classes
-and
-properties.
-</p>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_container">
-<h4 id="h4_ch_container" role="heading" aria-level="3">
-<span class="secno">
-5.1.1
-</span>
-rdfs:Container
-</h4>
-<p>
-The
-<code>
-rdfs:Container
-</code>
-class
-is
-a
-super-class
-of
-the
-RDF
-Container
-classes,
-i.e.
-<code>
-<a href="#ch_bag">
-rdf:Bag
-</a>
-</code>,
-<code>
-<a href="#ch_seq">
-rdf:Seq
-</a>
-</code>,
-<code>
-<a href="#ch_alt">
-rdf:Alt
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_bag">
-<h4 id="h4_ch_bag" role="heading" aria-level="3">
-<span class="secno">
-5.1.2
-</span>
-rdf:Bag
-</h4>
-<p>
-The
-<code>
-rdf:Bag
-</code>
-class
-is
-the
-class
-of
-RDF
-'Bag'
-containers.
-It
-is
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-<code>
-<a href="#ch_container">
-rdfs:Container
-</a>
-</code>.
-Whilst
-formally
-it
-is
-no
-different
-from
-an
-<code>
-<a href="#ch_seq">
-rdf:Seq
-</a>
-</code>
-or
-an
-<code>
-<a href="#ch_alt">
-rdf:Alt
-</a>
-</code>,
-the
-<code>
-rdf:Bag
-</code>
-class
-is
-used
-conventionally
-to
-indicate
-to
-a
-human
-reader
-that
-the
-container
-is
-intended
-to
-be
-unordered.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_seq">
-<h4 id="h4_ch_seq" role="heading" aria-level="3">
-<span class="secno">
-5.1.3
-</span>
-rdf:Seq
-</h4>
-<p>
-The
-<code>
-rdf:Seq
-</code>
-class
-is
-the
-class
-of
-RDF
-'Sequence'
-containers.
-It
-is
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-<code>
-<a href="#ch_container">
-rdfs:Container
-</a>
-</code>.
-Whilst
-formally
-it
-is
-no
-different
-from
-an
-<code>
-<a href="#ch_bag">
-rdf:Bag
-</a>
-</code>
-or
-an
-<code>
-<a href="#ch_alt">
-rdf:Alt
-</a>
-</code>,
-the
-<code>
-rdf:Seq
-</code>
-class
-is
-used
-conventionally
-to
-indicate
-to
-a
-human
-reader
-that
-the
-numerical
-ordering
-of
-the
-<a href="#ch_containermembershipproperty">
-container
-membership
-properties
-</a>
-of
-the
-container
-is
-intended
-to
-be
-significant.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_alt">
-<h4 id="h4_ch_alt" role="heading" aria-level="3">
-<span class="secno">
-5.1.4
-</span>
-rdf:Alt
-</h4>
-<p>
-The
-<code>
-rdf:Alt
-</code>
-class
-is
-the
-class
-of
-RDF
-'Alternative'
-containers.
-It
-is
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-<code>
-<a href="#ch_container">
-rdfs:Container
-</a>
-</code>.
-Whilst
-formally
-it
-is
-no
-different
-from
-an
-<code>
-<a href="#ch_seq">
-rdf:Seq
-</a>
-</code>
-or
-an
-<code>
-<a href="#ch_bag">
-rdf:Bag
-</a>
-</code>,
-the
-<code>
-rdf:Alt
-</code>
-class
-is
-used
-conventionally
-to
-indicate
-to
-a
-human
-reader
-that
-typical
-processing
-will
-be
-to
-select
-one
-of
-the
-members
-of
-the
-container.
-The
-first
-member
-of
-the
-container,
-i.e.
-the
-value
-of
-the
-<code>
-<a href="#ch_containermembershipproperty">
-rdf:_1
-</a>
-</code>
-property,
-is
-the
-default
-choice.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_containermembershipproperty">
-<h4 id="h4_ch_containermembershipproperty" role="heading" aria-level="3">
-<span class="secno">
-5.1.5
-</span>
-rdfs:ContainerMembershipProperty
-</h4>
-<p>
-The
-<code>
-rdfs:ContainerMembershipProperty
-</code>
-class
-has
-as
-instances
-the
-properties
-<code>
-rdf:_1,
-rdf:_2,
-rdf:_3
-...
-</code>
-that
-are
-used
-to
-state
-that
-a
-resource
-is
-a
-member
-of
-a
-container.
-<code>
-rdfs:ContainerMembershipProperty
-</code>
-is
-a
-<a href="#def-subclass">
-subclass
-</a>
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>.
-Each
-instance
-of
-<code>
-rdfs:ContainerMembershipProperty
-</code>
-is
-an
-<a href="#ch_subpropertyof">
-<code>
-rdfs:subPropertyOf
-</code>
-</a>
-the
-<code>
-<a href="#ch_member">
-rdfs:member
-</a>
-</code>
-property.
-</p>
-<p>
-Given
-a
-container
-C,
-a
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-C
-rdf:_nnn
-O
-</code>
-</blockquote>
-<p>
-where
-nnn
-is
-the
-decimal
-representation
-of
-an
-integer
-greater
-than
-0
-with
-no
-leading
-zeros,
-states
-that
-O
-is
-a
-member
-of
-the
-container
-C.
-</p>
-<p>
-Container
-membership
-properties
-may
-be
-applied
-to
-resources
-other
-than
-containers.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_member">
-<h4 id="h4_ch_member" role="heading" aria-level="3">
-<span class="secno">
-5.1.6
-</span>
-rdfs:member
-</h4>
-<p>
-<code>
-rdfs:member
-</code>
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>
-that
-is
-a
-super-property
-of
-all
-the
-container
-membership
-properties
-i.e.
-each
-container
-membership
-property
-has
-an
-<a href="#ch_subpropertyof">
-<code>
-rdfs:subPropertyOf
-</code>
-</a>
-relationship
-to
-the
-property
-<code>
-rdfs:member
-</code>.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdfs:member
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-<code>
-rdfs:member
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-</p>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_collectionvocab">
-<h3 id="h3_ch_collectionvocab" role="heading" aria-level="2">
-<span class="secno">
-5.2
-</span>
-RDF
-Collections
-</h3>
-<p>
-RDF
-containers
-are
-open
-in
-the
-sense
-that
-the
-core
-RDF
-specifications
-define
-no
-mechanism
-to
-state
-that
-there
-are
-no
-more
-members.
-The
-RDF
-Collection
-vocabulary
-of
-classes
-and
-properties
-can
-describe
-a
-closed
-collection,
-i.e.
-one
-that
-can
-have
-no
-more
-members.
-The
-reader
-is
-referred
-to
-the
-<a href="http://www.w3.org/TR/2004/REC-rdf-primer-20040210/#collections">
-collections
-</a>
-section
-of
-the
-RDF
-<ins class="diff-new">2004
-</ins>
-primer
-for
-an
-informal
-introduction
-to
-collections
-with
-examples.
-</p>
-<p>
-A
-collection
-is
-represented
-as
-a
-list
-of
-items,
-a
-representation
-that
-will
-be
-familiar
-to
-those
-with
-experience
-of
-Lisp
-and
-similar
-programming
-languages.
-There
-is
-a
-<a href="http://www.w3.org/TR/2004/REC-rdf-syntax-grammar-20040210/#section-Syntax-parsetype-Collection">
-shorthand
-notation
-</a>
-in
-the
-RDF/XML
-syntax
-specification
-<del class="diff-old">[
-RDF-SYNTAX
-]
-</del>
-for
-representing
-collections.
-</p>
-<div class="note">
-<div id="h_note_2" role="heading" aria-level="3" class="note-title">
-<span>
-Note
-<del class="diff-old">:
-</del>
-</span>
-</div>
-<div class="">
-RDFS
-does
-not
-require
-that
-there
-be
-only
-one
-first
-element
-of
-a
-list-like
-structure,
-or
-even
-that
-a
-list-like
-structure
-have
-a
-first
-element.
-</div>
-</div>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_list">
-<h4 id="h4_ch_list" role="heading" aria-level="3">
-<span class="secno">
-5.2.1
-</span>
-rdf:List
-</h4>
-<p>
-<code>
-rdf:List
-</code>
-is
-an
-instance
-of
-<a href="#ch_class">
-<code>
-rdfs:Class
-</code>
-</a>
-that
-can
-be
-used
-to
-build
-descriptions
-of
-lists
-and
-other
-list-like
-structures.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_first">
-<h4 id="h4_ch_first" role="heading" aria-level="3">
-<span class="secno">
-5.2.2
-</span>
-rdf:first
-</h4>
-<p>
-<code>
-rdf:first
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-can
-be
-used
-to
-build
-descriptions
-of
-lists
-and
-other
-list-like
-structures.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-L
-rdf:first
-O
-</code>
-</blockquote>
-<p>
-states
-that
-there
-is
-a
-first-element
-relationship
-between
-L
-and
-O.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdf:first
-</code>
-is
-<code>
-<a href="#ch_list">
-rdf:List
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-<code>
-rdf:first
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_rest">
-<h4 id="h4_ch_rest" role="heading" aria-level="3">
-<span class="secno">
-5.2.3
-</span>
-rdf:rest
-</h4>
-<p>
-<code>
-rdf:rest
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-can
-be
-used
-to
-build
-descriptions
-of
-lists
-and
-other
-list-like
-structures.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-L
-rdf:rest
-O
-</code>
-</blockquote>
-<p>
-states
-that
-there
-is
-a
-rest-of-list
-relationship
-between
-L
-and
-O.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdf:rest
-</code>
-is
-<code>
-<a href="#ch_list">
-rdf:List
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-<code>
-rdf:rest
-</code>
-is
-<code>
-<a href="#ch_list">
-rdf:List
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_nil">
-<h4 id="h4_ch_nil" role="heading" aria-level="3">
-<span class="secno">
-5.2.4
-</span>
-rdf:nil
-</h4>
-<p>
-The
-resource
-<code>
-rdf:nil
-</code>
-is
-an
-instance
-of
-<code>
-<a href="#ch_list">
-rdf:List
-</a>
-</code>
-that
-can
-be
-used
-to
-represent
-an
-empty
-list
-or
-other
-list-like
-structure.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-L
-rdf:rest
-rdf:nil
-</code>
-</blockquote>
-<p>
-states
-that
-L
-is
-an
-instance
-of
-<code>
-<a href="#ch_list">
-rdf:List
-</a>
-</code>
-that
-has
-one
-item;
-that
-item
-can
-be
-indicated
-using
-the
-<code>
-<a href="#ch_first">
-rdf:first
-</a>
-</code>
-property.
-</p>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_reificationvocab">
-<h3 id="h3_ch_reificationvocab" role="heading" aria-level="2">
-<span class="secno">
-5.3
-</span>
-Reification
-Vocabulary
-</h3>
-<del class="diff-old">The
-original
-RDF
-Model
-and
-Syntax
-Specification
-[
-RDFMS
-]
-defined
-a
-vocabulary
-for
-describing
-RDF
-statements
-without
-stating
-them.
-[
-RDFMS
-]
-did
-not
-provide
-a
-formal
-semantics
-for
-this
-vocabulary,
-and
-the
-informal
-definition
-that
-was
-provided
-was
-somewhat
-inconsistent.
-The
-current
-RDF
-specification
-does
-not
-assign
-a
-normative
-formal
-semantics
-to
-this
-vocabulary.
-However,
-an
-intended
-meaning
-of
-this
-vocabulary
-(which
-generally
-clarifies
-the
-intent
-of
-the
-[
-RDFMS
-]
-definition)
-is
-described
-here.
-An
-informal
-introduction
-to
-the
-reification
-vocabulary,
-with
-examples,
-may
-be
-found
-in
-the
-RDF
-Primer
-[
-RDF-PRIMER
-].
-</del>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_statement">
-<h4 id="h4_ch_statement" role="heading" aria-level="3">
-<span class="secno">
-5.3.1
-</span>
-rdf:Statement
-</h4>
-<p>
-<code>
-rdf:Statement
-</code>
-is
-an
-instance
-of
-<code>
-<a href="#ch_class">
-rdfs:Class.
-</a>
-</code>
-It
-is
-intended
-to
-represent
-the
-class
-of
-RDF
-statements.
-An
-RDF
-statement
-is
-the
-statement
-made
-by
-a
-token
-of
-an
-RDF
-<del class="diff-old">triple
-.
-</del>
-<ins class="diff-chg">triple.
-</ins>
-The
-subject
-of
-an
-RDF
-statement
-is
-the
-instance
-of
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>
-identified
-by
-the
-subject
-of
-the
-triple.
-The
-predicate
-of
-an
-RDF
-statement
-is
-the
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>
-identified
-by
-the
-predicate
-of
-the
-triple.
-The
-object
-of
-an
-RDF
-statement
-is
-the
-instance
-of
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>
-identified
-by
-the
-object
-of
-the
-triple.
-<code>
-rdf:Statement
-</code>
-is
-in
-the
-domain
-of
-the
-properties
-<code>
-<a href="#ch_predicate">
-rdf:predicate
-</a>
-</code>,
-<code>
-<a href="#ch_subject">
-rdf:subject
-</a>
-</code>
-and
-<code>
-<a href="#ch_object">
-rdf:object
-</a>
-</code>.
-Different
-individual
-<code>
-rdf:Statement
-</code>
-instances
-may
-have
-the
-same
-values
-for
-their
-<code>
-<a href= "#ch_predicate">
-rdf:predicate
-</a>
-</code>,
-<code>
-<a href="#ch_subject">
-rdf:subject
-</a>
-</code>
-and
-<code>
-<a href="#ch_object">
-rdf:object
-</a>
-</code>
-properties.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_subject">
-<h4 id="h4_ch_subject" role="heading" aria-level="3">
-<span class="secno">
-5.3.2
-</span>
-rdf:subject
-</h4>
-<p>
-<code>
-rdf:subject
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-state
-the
-subject
-of
-a
-statement.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-S
-rdf:subject
-R
-</code>
-</blockquote>
-<p>
-states
-that
-S
-is
-an
-instance
-of
-<code>
-<a href="#ch_statement">
-rdf:Statement
-</a>
-</code>
-and
-that
-the
-subject
-of
-S
-is
-R.
-</p>
-<p class="schemacomment">
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdf:subject
-</code>
-is
-<code>
-<a href="#ch_statement">
-rdf:Statement
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-<code>
-rdf:subject
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_predicate">
-<h4 id="h4_ch_predicate" role="heading" aria-level="3">
-<span class="secno">
-5.3.3
-</span>
-rdf:predicate
-</h4>
-<p>
-rdf:predicate
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-state
-the
-predicate
-of
-a
-statement.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-S
-rdf:predicate
-P
-</code>
-</blockquote>
-<p>
-states
-that
-S
-is
-an
-instance
-of
-<code>
-<a href="#ch_statement">
-rdf:Statement
-</a>
-</code>,
-that
-P
-is
-an
-instance
-of
-<code>
-<a href="#ch_property">
-rdf:Property
-</a>
-</code>
-and
-that
-the
-predicate
-of
-S
-is
-P.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdf:predicate
-</code>
-is
-<code>
-<a href="#ch_statement">
-rdf:Statement
-</a>
-</code>
-and
-the
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-is
-<a href="#ch_resource">
-<code>
-rdfs:Resource
-</code>
-</a>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_object">
-<h4 id="h4_ch_object" role="heading" aria-level="3">
-<span class="secno">
-5.3.4
-</span>
-rdf:object
-</h4>
-<p>
-rdf:object
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-state
-the
-object
-of
-a
-statement.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-S
-rdf:object
-O
-</code>
-</blockquote>
-<p>
-states
-that
-S
-is
-an
-instance
-of
-<code>
-<a href="#ch_statement">
-rdf:Statement
-</a>
-</code>
-and
-that
-the
-object
-of
-S
-is
-O.
-</p>
-<p>
-The
-<a href="#ch_domain">
-<code>
-rdfs:domain
-</code>
-</a>
-of
-<code>
-rdf:object
-</code>
-is
-<code>
-<a href="#ch_statement">
-rdf:Statement
-</a>
-</code>.
-The
-<a href="#ch_range">
-<code>
-rdfs:range
-</code>
-</a>
-of
-<code>
-rdf:object
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-</p>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_utilvocab">
-<h3 id="h3_ch_utilvocab" role="heading" aria-level="2">
-<span class="secno">
-5.4
-</span>
-Utility
-Properties
-</h3>
-<p>
-The
-following
-utility
-classes
-and
-properties
-are
-defined
-in
-the
-RDF
-core
-namespaces.
-</p>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_seealso">
-<h4 id="h4_ch_seealso" role="heading" aria-level="3">
-<span class="secno">
-5.4.1
-</span>
-rdfs:seeAlso
-</h4>
-<p>
-<code>
-rdfs:seeAlso
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-indicate
-a
-resource
-that
-might
-provide
-additional
-information
-about
-the
-subject
-resource.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-S
-rdfs:seeAlso
-O
-</code>
-</blockquote>
-<p>
-states
-that
-the
-resource
-O
-may
-provide
-additional
-information
-about
-S.
-It
-may
-be
-possible
-to
-retrieve
-representations
-of
-O
-from
-the
-Web,
-but
-this
-is
-not
-required.
-When
-such
-representations
-may
-be
-retrieved,
-no
-constraints
-are
-placed
-on
-the
-format
-of
-those
-representations.
-</p>
-<p>
-The
-<code>
-<a href="#ch_domain">
-rdfs:domain
-</a>
-</code>
-of
-<code>
-rdfs:seeAlso
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-The
-<code>
-<a href="#ch_range">
-rdfs:range
-</a>
-</code>
-of
-<code>
-rdfs:seeAlso
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_isdefinedby">
-<h4 id="h4_ch_isdefinedby" role="heading" aria-level="3">
-<span class="secno">
-5.4.2
-</span>
-rdfs:isDefinedBy
-</h4>
-<p>
-<code>
-rdfs:isDefinedBy
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-is
-used
-to
-indicate
-a
-resource
-defining
-the
-subject
-resource.
-This
-property
-may
-be
-used
-to
-indicate
-an
-RDF
-vocabulary
-in
-which
-a
-resource
-is
-described.
-</p>
-<p>
-A
-triple
-of
-the
-form:
-</p>
-<blockquote>
-<code>
-S
-rdfs:isDefinedBy
-O
-</code>
-</blockquote>
-<p>
-states
-that
-the
-resource
-O
-defines
-S.
-It
-may
-be
-possible
-to
-retrieve
-representations
-of
-O
-from
-the
-Web,
-but
-this
-is
-not
-required.
-When
-such
-representations
-may
-be
-retrieved,
-no
-constraints
-are
-placed
-on
-the
-format
-of
-those
-representations.
-<code>
-rdfs:isDefinedBy
-</code>
-is
-a
-<a href="#def-subproperty">
-subproperty
-</a>
-of
-<code>
-<a href="#ch_seealso">
-rdfs:seeAlso
-</a>
-</code>.
-</p>
-<p>
-The
-<code>
-<a href="#ch_domain">
-rdfs:domain
-</a>
-</code>
-of
-<code>
-rdfs:isDefinedBy
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-The
-<code>
-<a href="#ch_range">
-rdfs:range
-</a>
-</code>
-of
-<code>
-rdfs:isDefinedBy
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_value">
-<h4 id="h4_ch_value" role="heading" aria-level="3">
-<span class="secno">
-5.4.3
-</span>
-rdf:value
-</h4>
-<p>
-<code>
-rdf:value
-</code>
-is
-an
-instance
-of
-<a href="#ch_property">
-<code>
-rdf:Property
-</code>
-</a>
-that
-may
-be
-used
-in
-describing
-structured
-values.
-</p>
-<p>
-rdf:value
-has
-no
-meaning
-on
-its
-own.
-It
-is
-provided
-as
-a
-piece
-of
-vocabulary
-that
-may
-be
-used
-in
-idioms
-such
-as
-illustrated
-in
-<a href="http://www.w3.org/TR/2004/REC-rdf-primer-20040210/#example21">
-example
-<del class="diff-old">16
-</del>
-<ins class="diff-chg">21
-</ins>
-</a>
-of
-the
-RDF
-<del class="diff-old">primer
-[
-RDF-PRIMER
-].
-</del>
-<ins class="diff-chg">1.0
-primer.
-</ins>
-Despite
-the
-lack
-of
-formal
-specification
-of
-the
-meaning
-of
-this
-property,
-there
-is
-value
-in
-defining
-it
-to
-encourage
-the
-use
-of
-a
-common
-idiom
-in
-examples
-of
-this
-kind.
-</p>
-<p>
-The
-<code>
-<a href="#ch_domain">
-rdfs:domain
-</a>
-</code>
-of
-<code>
-rdf:value
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-The
-<code>
-<a href="#ch_range">
-rdfs:range
-</a>
-</code>
-of
-<code>
-rdf:value
-</code>
-is
-<code>
-<a href="#ch_resource">
-rdfs:Resource
-</a>
-</code>.
-</p>
-</section>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" class="informative" id="ch_summary">
-<h2 id="h2_ch_summary" role="heading" aria-level="1">
-<span class="secno">
-6.
-</span>
-RDF
-Schema
-summary
-<del class="diff-old">(Informative)
-</del>
-</h2>
-<p>
-<em>
-<ins class="diff-new">This
-section
-is
-non-normative.
-</ins></em></p><p>
-This
-table
-presents
-an
-overview
-of
-the
-vocabulary
-of
-RDF,
-drawing
-together
-vocabulary
-originally
-defined
-in
-the
-RDF
-Model
-and
-Syntax
-specification
-with
-classes
-and
-properties
-that
-originate
-with
-RDF
-Schema.
-</p>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_sumclasses">
-<h3 id="h3_ch_sumclasses" role="heading" aria-level="2">
-<span class="secno">
-6.1
-</span>
-RDF
-classes
-</h3>
-<table summary="RDF classes" border="1">
-<tbody valign="top">
-<tr>
-<th>
-Class
-name
-</th>
-<th>
-comment
-</th>
-</tr>
-<tr>
-<td>
-rdfs:Resource
-</td>
-<td>
-The
-class
-resource,
-everything.
-</td>
-</tr>
-<tr>
-<td>
-rdfs:Literal
-</td>
-<td>
-The
-class
-of
-literal
-values,
-e.g.
-textual
-strings
-and
-integers.
-</td>
-</tr>
-<tr>
-<td>
-rdf:XMLLiteral
-</td>
-<td>
-The
-class
-of
-XML
-literals
-values.
-</td>
-</tr>
-<tr>
-<td>
-rdfs:Class
-</td>
-<td>
-The
-class
-of
-classes.
-</td>
-</tr>
-<tr>
-<td>
-rdf:Property
-</td>
-<td>
-The
-class
-of
-RDF
-properties.
-</td>
-</tr>
-<tr>
-<td>
-rdfs:Datatype
-</td>
-<td>
-The
-class
-of
-RDF
-datatypes.
-</td>
-</tr>
-<tr>
-<td>
-rdf:Statement
-</td>
-<td>
-The
-class
-of
-RDF
-statements.
-</td>
-</tr>
-<tr>
-<td>
-rdf:Bag
-</td>
-<td>
-The
-class
-of
-unordered
-containers.
-</td>
-</tr>
-<tr>
-<td>
-rdf:Seq
-</td>
-<td>
-The
-class
-of
-ordered
-containers.
-</td>
-</tr>
-<tr>
-<td>
-rdf:Alt
-</td>
-<td>
-The
-class
-of
-containers
-of
-alternatives.
-</td>
-</tr>
-<tr>
-<td>
-rdfs:Container
-</td>
-<td>
-The
-class
-of
-RDF
-containers.
-</td>
-</tr>
-<tr>
-<td>
-rdfs:ContainerMembershipProperty
-</td>
-<td>
-The
-class
-of
-container
-membership
-properties,
-rdf:_1,
-rdf:_2,
-...,
-all
-of
-which
-are
-sub-properties
-of
-'member'.
-</td>
-</tr>
-<tr>
-<td>
-rdf:List
-</td>
-<td>
-The
-class
-of
-RDF
-Lists.
-</td>
-</tr>
-</tbody>
-</table>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="ch_sumproperties">
-<h3 id="h3_ch_sumproperties" role="heading" aria-level="2">
-<span class="secno">
-6.2
-</span>
-RDF
-properties
-</h3>
-<table summary="RDF properties" border="1">
-<tbody valign="top">
-<tr>
-<th>
-Property
-name
-</th>
-<th>
-comment
-</th>
-<th>
-domain
-</th>
-<th>
-range
-</th>
-</tr>
-<tr>
-<td>
-rdf:type
-</td>
-<td>
-The
-subject
-is
-an
-instance
-of
-a
-class.
-</td>
-<td>
-rdfs:Resource
-</td>
-<td>
-rdfs:Class
-</td>
-</tr>
-<tr>
-<td>
-rdfs:subClassOf
-</td>
-<td>
-The
-subject
-is
-a
-subclass
-of
-a
-class.
-</td>
-<td>
-rdfs:Class
-</td>
-<td>
-rdfs:Class
-</td>
-</tr>
-<tr>
-<td>
-rdfs:subPropertyOf
-</td>
-<td>
-The
-subject
-is
-a
-subproperty
-of
-a
-property.
-</td>
-<td>
-rdf:Property
-</td>
-<td>
-rdf:Property
-</td>
-</tr>
-<tr>
-<td>
-rdfs:domain
-</td>
-<td>
-A
-domain
-of
-the
-subject
-property.
-</td>
-<td>
-rdf:Property
-</td>
-<td>
-rdfs:Class
-</td>
-</tr>
-<tr>
-<td>
-rdfs:range
-</td>
-<td>
-A
-range
-of
-the
-subject
-property.
-</td>
-<td>
-rdf:Property
-</td>
-<td>
-rdfs:Class
-</td>
-</tr>
-<tr>
-<td>
-rdfs:label
-</td>
-<td>
-A
-human-readable
-name
-for
-the
-subject.
-</td>
-<td>
-rdfs:Resource
-</td>
-<td>
-rdfs:Literal
-</td>
-</tr>
-<tr>
-<td>
-rdfs:comment
-</td>
-<td>
-A
-description
-of
-the
-subject
-resource.
-</td>
-<td>
-rdfs:Resource
-</td>
-<td>
-rdfs:Literal
-</td>
-</tr>
-<tr>
-<td>
-rdfs:member
-</td>
-<td>
-A
-member
-of
-the
-subject
-resource.
-</td>
-<td>
-rdfs:Resource
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-<tr>
-<td>
-rdf:first
-</td>
-<td>
-The
-first
-item
-in
-the
-subject
-RDF
-list.
-</td>
-<td>
-rdf:List
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-<tr>
-<td>
-rdf:rest
-</td>
-<td>
-The
-rest
-of
-the
-subject
-RDF
-list
-after
-the
-first
-item.
-</td>
-<td>
-rdf:List
-</td>
-<td>
-rdf:List
-</td>
-</tr>
-<tr>
-<td>
-rdfs:seeAlso
-</td>
-<td>
-Further
-information
-about
-the
-subject
-resource.
-</td>
-<td>
-rdfs:Resource
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-<tr>
-<td>
-rdfs:isDefinedBy
-</td>
-<td>
-The
-definition
-of
-the
-subject
-resource.
-</td>
-<td>
-rdfs:Resource
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-<tr>
-<td>
-rdf:value
-</td>
-<td>
-Idiomatic
-property
-used
-for
-structured
-values
-(see
-the
-RDF
-Primer
-for
-<a href="http://www.w3.org/TR/2004/REC-rdf-primer-20040210/#example16">
-an
-example
-</a>
-of
-its
-usage).
-</td>
-<td>
-rdfs:Resource
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-<tr>
-<td>
-rdf:subject
-</td>
-<td>
-The
-subject
-of
-the
-subject
-RDF
-statement.
-</td>
-<td>
-rdf:Statement
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-<tr>
-<td>
-rdf:predicate
-</td>
-<td>
-The
-predicate
-of
-the
-subject
-RDF
-statement.
-</td>
-<td>
-rdf:Statement
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-<tr>
-<td>
-rdf:object
-</td>
-<td>
-The
-object
-of
-the
-subject
-RDF
-statement.
-</td>
-<td>
-rdf:Statement
-</td>
-<td>
-rdfs:Resource
-</td>
-</tr>
-</tbody>
-</table>
-<p>
-In
-addition
-to
-these
-classes
-and
-properties,
-RDF
-also
-uses
-properties
-called
-<code>
-rdf:_1
-</code>,
-<code>
-rdf:_2
-</code>,
-<code>
-rdf:_3
-</code>...
-etc.,
-each
-of
-which
-is
-both
-a
-sub-property
-of
-<code>
-rdfs:member
-</code>
-and
-an
-instance
-of
-the
-class
-<code>
-rdfs:ContainerMembershipProperty
-</code>.
-There
-is
-also
-an
-instance
-of
-<code>
-rdf:List
-</code>
-called
-<code>
-rdf:nil
-</code>
-that
-is
-an
-empty
-<code>
-rdf:List
-</code>.
-</p>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" class="appendix informative" id="ch_acknowledgements">
-<h2 id="h2_ch_acknowledgements" role="heading" aria-level="1">
-<del class="diff-old">7.
-References
-</del>
-<span class="secno">
-<ins class="diff-chg">A.
-</ins></span><ins class="diff-chg">
-Acknowledgments
-</ins>
-</h2>
-<del class="diff-old">7.1
-Normative
-References
-[RDF-CONCEPTS]
-Resource
-Description
-Framework
-(RDF):
-Concepts
-and
-Abstract
-Syntax
-,
-Graham
-Klyne
-and
-Jeremy
-J.
-Carroll,
-Editors,
-W3C
-Recommendation,
-10
-February
-2004,
-http://www.w3.org/TR/2004/REC-rdf-concepts-20040210/
-.
-Latest
-version
-available
-at
-http://www.w3.org/TR/rdf-concepts/
-.
-[RDF-SEMANTICS]
-RDF
-Semantics
-,
-Patrick
-Hayes,
-Editor,
-W3C
-Recommendation,
-10
-February
-2004,
-http://www.w3.org/TR/2004/REC-rdf-mt-20040210/
-.
-Latest
-version
-available
-at
-http://www.w3.org/TR/rdf-mt/
-.
-[RDF-SYNTAX]
-RDF/XML
-Syntax
-Specification
-(Revised)
-,
-Dave
-Beckett,
-Editor,
-W3C
-Recommendation,
-10
-February
-2004,
-http://www.w3.org/TR/2004/REC-rdf-syntax-grammar-20040210/
-.
-Latest
-version
-available
-at
-http://www.w3.org/TR/rdf-syntax-grammar/
-.
-[RDF-TESTS]
-RDF
-Test
-Cases
-,
-Jan
-Grant
-and
-Dave
-Beckett,
-Editors,
-W3C
-Recommendation,
-10
-February
-2004,
-http://www.w3.org/TR/2004/REC-rdf-testcases-20040210/
-.
-Latest
-version
-available
-at
-http://www.w3.org/TR/rdf-testcases/
-.
-[RDFMS]
-Resource
-Description
-Framework
-(RDF)
-Model
-and
-Syntax
-,
-W3C
-Recommendation,
-22
-February
-1999
-http://www.w3.org/TR/1999/REC-rdf-syntax-19990222/
-[XMLNS]
-Namespaces
-in
-XML
-;
-W3C
-Recommendation,
-14
-January
-1999
-http://www.w3.org/TR/1999/REC-xml-names-19990114/
-7.2
-Informational
-References
-[RDF-PRIMER]
-RDF
-Primer
-,
-Frank
-Manola
-and
-Eric
-Miller,
-Editors,
-W3C
-Recommendation,
-10
-February
-2004,
-http://www.w3.org/TR/2004/REC-rdf-primer-20040210/
-.
-Latest
-version
-available
-at
-http://www.w3.org/TR/rdf-primer/
-.
-[BERNERS-LEE98]
-What
-the
-Semantic
-Web
-can
-represent
-,
-Tim
-Berners-Lee,
-1998
-http://www.w3.org/DesignIssues/RDFnot.html
-[EXTWEB]
-Web
-Architecture:
-Extensible
-Languages
-,
-Tim
-Berners-Lee
-and
-Dan
-Connolly,
-1998
-http://www.w3.org/TR/1998/NOTE-webarch-extlang-19980210
-[DCMI]
-Dublin
-Core
-Metadata
-Initiative
-http://www.dublincore.org/
-[OWL]
-OWL
-Web
-Ontology
-Language
-Reference
-,
-Mike
-Dean
-and
-Guus
-Schreiber,
-Editors,
-W3C
-Recommendation,
-10
-February
-2004,
-http://www.w3.org/TR/2004/REC-owl-ref-20040210/
-.
-Latest
-version
-available
-at
-http://www.w3.org/TR/owl-ref/
-.
-[SCHEMA-ARCH]
-The
-Cambridge
-Communiqué
-,
-W3C
-NOTE,
-7
-October
-1999,
-Swick
-and
-Thompson
-http://www.w3.org/TR/1999/NOTE-schema-arch-19991007
-[XML]
-Extensible
-Markup
-Language
-(XML)
-1.0
-,
-W3C
-Recommendation,
-10-February-1988,
-Section
-3.2
-Element
-Type
-Declarations
-http://www.w3.org/TR/1998/REC-xml-19980210.html#elemdecls
-</del>
-<p>
-<em>
-<ins class="diff-chg">This
-section
-is
-non-normative.
-</ins></em>
-<del class="diff-old">8.
-Acknowledgments
-</del>
-</p>
-<p>
-The
-RDF
-Schema
-design
-was
-originally
-produced
-by
-the
-RDF
-Schema
-Working
-Group
-(1997-2000).
-The
-current
-specification
-is
-largely
-an
-editorial
-clarification
-of
-that
-design,
-and
-has
-benefited
-greatly
-from
-the
-hard
-work
-of
-the
-<a href="http://www.w3.org/2001/sw/RDFCore/">
-RDF
-Core
-Working
-Group
-</a>
-<a href="http://www.w3.org/2001/sw/RDFCore/#Membership">
-members
-</a>,
-and
-from
-implementation
-feedback
-from
-many
-members
-of
-the
-<a href="http://www.w3.org/RDF/Interest/">
-RDF
-Interest
-Group
-</a>.
-</p>
-<p>
-David
-Singer
-of
-IBM
-was
-the
-chair
-of
-the
-original
-RDF
-Schema
-group
-throughout
-most
-of
-the
-development
-of
-this
-specification;
-we
-thank
-David
-for
-his
-efforts
-and
-thank
-IBM
-for
-supporting
-him
-and
-us
-in
-this
-endeavor.
-Particular
-thanks
-are
-also
-due
-to
-Andrew
-Layman
-for
-his
-editorial
-work
-on
-early
-versions
-of
-this
-specification.
-</p>
-<p>
-The
-original
-RDF
-Schema
-Working
-Group
-membership
-included:
-</p>
-<p>
-Nick
-Arnett
-(Verity),
-Dan
-Brickley
-(ILRT
-/
-University
-of
-Bristol),
-Walter
-Chang
-(Adobe),
-Sailesh
-Chutani
-(Oracle),
-Ron
-Daniel
-(DATAFUSION),
-Charles
-Frankston
-(Microsoft),
-Joe
-Lapp
-(webMethods
-Inc.),
-Patrick
-Gannon
-(CommerceNet),
-RV
-Guha
-(Epinions,
-previously
-of
-Netscape
-Communications),
-Tom
-Hill
-(Apple
-Computer),
-Renato
-Iannella
-(DSTC),
-Sandeep
-Jain
-(Oracle),
-Kevin
-Jones,
-(InterMind),
-Emiko
-Kezuka
-(Digital
-Vision
-Laboratories),
-Ora
-Lassila
-(Nokia
-Research
-Center),
-Andrew
-Layman
-(Microsoft),
-John
-McCarthy
-(Lawrence
-Berkeley
-National
-Laboratory),
-Michael
-Mealling
-(Network
-Solutions),
-Norbert
-Mikula
-(DataChannel),
-Eric
-Miller
-(OCLC),
-Frank
-Olken
-(Lawrence
-Berkeley
-National
-Laboratory),
-Sri
-Raghavan
-(Digital/Compaq),
-Lisa
-Rein
-(webMethods
-Inc.),
-Tsuyoshi
-Sakata
-(Digital
-Vision
-Laboratories),
-Leon
-Shklar
-(Pencom
-Web
-Works),
-David
-Singer
-(IBM),
-Wei
-(William)
-Song
-(SISU),
-Neel
-Sundaresan
-(IBM),
-Ralph
-Swick
-<del class="diff-old">(W3C),
-</del>
-<ins class="diff-chg">(
-</ins><abbr title="World Wide Web Consortium"><ins class="diff-chg">
-W3C
-</ins></abbr><ins class="diff-chg">
-),
-</ins>
-Naohiko
-Uramoto
-(IBM),
-Charles
-Wicksteed
-(Reuters
-Ltd.),
-Misha
-Wolf
-(Reuters
-Ltd.)
-</p>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" class="appendix informative" id="changes">
-<h2 id="h2_changes" role="heading" aria-level="1">
-<span class="secno">
-<ins class="diff-chg">B.
-</ins></span><ins class="diff-chg">
-Change
-history
-</ins></h2><p>
-<em>
-<ins class="diff-chg">This
-section
-is
-non-normative.
-</ins></em>
-</p>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="PER-changes">
-<h3 id="h3_PER-changes" role="heading" aria-level="2">
-<span class="secno">
-<ins class="diff-chg">B.1
-</ins></span><ins class="diff-chg">
-Changes
-for
-Proposed
-Edited
-Recommendation
-in
-2013
-</ins></h3><ul><li><ins class="diff-chg">
-Conversion
-to
-ResPec.
-</ins></li><li><ins class="diff-chg">
-Refereces
-and
-anchors
-to
-RDF
-1.0
-documents
-where
-appropriate
-replaced
-by
-references
-and
-anchors
-to
-RDF
-1.1
-documents.
-</ins></li><li><ins class="diff-chg">
-Replaced
-the
-term
-"URI
-Reference"
-with
-the
-term
-"IRI".
-</ins></li><li><ins class="diff-chg">
-Removed
-discussion
-about
-distinction
-between
-plain
-and
-typed
-literals,
-as
-this
-distinction
-is
-absent
-in
-RDF
-1.1
-and
-has
-no
-technical
-bearing
-on
-RDF
-Schema.
-</ins></li><li><ins class="diff-chg">
-Fixed
-incorrect
-pointer
-to
-RDF
-Primer
-example
-16
-to
-example
-21.
-</ins></li><li><ins class="diff-chg">
-Removed
-the
-introductory
-paragraph
-of
-Sec.
-</ins><a href="#ch_reificationvocab"><ins class="diff-chg">
-"Reification
-Vocabulary"
-</ins></a>,<ins class="diff-chg">
-as
-this
-discussion
-is
-not
-related
-to
-the
-technical
-content
-and
-is
-irrelevant
-and
-confusing
-now.
-</ins></li><li><ins class="diff-chg">
-Update
-of
-affiliation
-of
-the
-editors.
-</ins></li></ul></section><section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="2004-changes"><h3 id="h3_2004-changes" role="heading" aria-level="2">
-<span class="secno">
-<ins class="diff-chg">B.2
-</ins></span>
-Changes
-<ins class="diff-chg">history
-of
-the
-2004
-Recommendation
-</ins></h3>
-<p>
-The
-following
-is
-an
-outline
-of
-the
-main
-changes
-made
-to
-<del class="diff-old">this
-</del>
-<ins class="diff-chg">the
-2004
-</ins>
-specification,
-latest
-first,
-since
-the
-Last
-Call
-Working
-Draft
-of
-<a href="http://www.w3.org/TR/2003/WD-rdf-schema-20030123/">
-23
-January
-2003
-</a>.
-See
-the
-<a href="http://www.w3.org/2001/sw/RDFCore/20030123-issues/#schema">
-Last
-Call
-issue
-tracking
-document
-</a>
-for
-details
-of
-the
-specific
-issues
-raised
-regarding
-this
-specification.
-</p>
-<ul>
-<li>
-Amended
-<a href="#ch_appendix_rdfs">
-Appendix
-A
-</a>
-to
-note
-that
-the
-RDF/XML
-description
-of
-RDF
-and
-RDFS
-terms
-is
-not
-directly
-published
-at
-the
-RDFS
-namespace,
-but
-split
-between
-the
-'rdf:'
-and
-'rdfs:'
-namespace
-documents.
-Also
-removed
-the
-pre-REC
-warning
-that
-the
-WG
-might
-choose
-to
-change
-the
-namespace
-URI
-prior
-to
-Recommendation.
-</li>
-<li>
-Amended
-rdfs:range
-specification
-for
-rdf:predicate
-for
-consistency
-with
-the
-Semantics
-document
-(previously
-rdf:Property;
-now,
-rdfs:Resource)
-</li>
-<li>
-Removed
-reference
-to
-RDF
-mimetypes
-doc,
-as
-the
-IETF
-draft
-has
-expired
-and
-is
-404
-missing
-on
-their
-site.
-</li>
-<li>
-Reification
-vocabulary
-redescribed
-(
-<a href="http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2003Aug/0161.html">
-details
-</a>
-).
-</li>
-<li>
-Reworded
-rdfs:comment
-for
-rdfs:member,
-changing
-"container"
-to
-"resource"
-</li>
-<li>
-Reworded
-lead-in
-to
-Appendix
-A
-per
-<a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003JulSep/0170.html">
-0170.html
-</a>.
-</li>
-<li>
-OWL
-references
-now
-go
-to
-OWL
-specs
-rather
-than
-WebOnt
-homepage.
-Fixed
-minor
-typos
-per
-<a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003JanMar/0373.html">
-0373.html
-</a>
-)
-</li>
-<li>
-Reworded
-rdf:nil
-to
-tone
-down
-the
-imperative
-style.
-</li>
-<li>
-Added
-note
-to
-Properties
-section
-warning
-about
-over-use
-of
-sub-property,
-and
-referencing
-OWL,
-an
-editorial
-suggestion
-from
-Bijan
-Parsia.
-(
-<a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003AprJun/0177.html">
-details
-</a>
-).
-</li>
-<li>
-Regarding
-<a href="http://www.w3.org/2001/sw/RDFCore/20030123-issues/#pfps-12">
-pfps-12
-</a>,
-<a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003AprJun/0277.html">
-discussion
-</a>
-led
-to
-rdf:first/rest/List/nil
-rewritten
-per
-Peter
-Patel-Schneider's
-suggestion.
-</li>
-<li>
-Change
-to
-description
-of
-subProperty
-and
-subClass,
-to
-match
-<a href="http://www.w3.org/TR/2004/REC-rdf-mt-20040210/#change">
-changes
-to
-RDF
-Semantics
-</a>.
-See
-<a href="http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2003Jul/0161.html">
-discussion
-</a>
-for
-details.
-</li>
-<li>
-Edits
-<a href="http://lists.w3.org/Archives/Public/www-rdf-comments/2003AprJun/0099.html">
-closing
-</a>
-'what
-is
-rdf
-schema'
-issue
-by
-clarifying
-that
-RDFS
-is
-a
-semantic
-extension
-of
-RDF,
-as
-defined
-in
-the
-RDF
-Semantics
-document.
-This
-closes
-rdfcore
-last
-call
-issue
-pfps-24.
-</li>
-</ul>
-</section>
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" class="appendix informative" id="ch_appendix_rdfs">
-<h2 id="h2_ch_appendix_rdfs" role="heading" aria-level="1">
-<del class="diff-old">Appendix
-A:
-</del>
-<span class="secno">
-<ins class="diff-chg">C.
-</ins></span>
-RDF
-Schema
-as
-RDF/XML
-</h2>
-<p>
-<em>
-<ins class="diff-new">This
-section
-is
-non-normative.
-</ins></em></p><p>
-An
-RDFS
-description
-of
-the
-<a href="http://www.w3.org/TR/rdf11-mt/#rdf-interpretations">
-RDF
-vocabulary
-</a>
-and
-<a href="http://www.w3.org/TR/rdf11-mt/#rdfs-interpretations">
-RDFS
-vocabulary
-</a>
-is
-given
-here
-in
-RDF/XML
-syntax.
-It
-includes
-statements
-describing
-RDF
-resources
-originally
-introduced
-by
-the
-1999
-RDF
-Model
-and
-Syntax
-specification,
-as
-well
-as
-definitions
-for
-resources
-introduced
-in
-the
-RDF
-<del class="diff-old">Core
-</del>
-Schema
-vocabulary.
-</p>
-<p>
-This
-material
-is
-also
-available
-as
-<a href="rdfs-namespace">
-a
-separate
-RDF/XML
-document
-</a>.
-It
-does
-not
-necessarily
-match
-the
-content
-published
-at
-the
-<a href="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
-RDF
-namespace
-URI
-</a>
-or
-the
-<a href="http://www.w3.org/2000/01/rdf-schema#">
-RDFS
-namespace
-URI
-</a>,
-which
-may
-evolve
-over
-time.
-</p>
-<table summary="RDF Schema in RDF" border="1" cellpadding="5" width="95%">
-<tbody>
-<tr>
-<td>
-<del class="diff-old">
-</del>
-<pre>
-<rdf:RDF
- xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
- xmlns:owl="http://www.w3.org/2002/07/owl#">
-<owl:Ontology rdf:about="http://www.w3.org/2000/01/rdf-schema#"/>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Resource">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Resource</rdfs:label>
- <rdfs:comment>The class resource, everything.</rdfs:comment>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#type">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>type</rdfs:label>
- <rdfs:comment>The subject is an instance of a class.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Class">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Class</rdfs:label>
- <rdfs:comment>The class of classes.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#subClassOf">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>subClassOf</rdfs:label>
- <rdfs:comment>The subject is a subclass of a class.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#subPropertyOf">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>subPropertyOf</rdfs:label>
- <rdfs:comment>The subject is a subproperty of a property.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>Property</rdfs:label>
- <rdfs:comment>The class of RDF properties.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#comment">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>comment</rdfs:label>
- <rdfs:comment>A description of the subject resource.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#label">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>label</rdfs:label>
- <rdfs:comment>A human-readable name for the subject.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#domain">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>domain</rdfs:label>
- <rdfs:comment>A domain of the subject property.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#range">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>range</rdfs:label>
- <rdfs:comment>A range of the subject property.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#seeAlso">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>seeAlso</rdfs:label>
- <rdfs:comment>Further information about the subject resource.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#isDefinedBy">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#seeAlso"/>
- <rdfs:label>isDefinedBy</rdfs:label>
- <rdfs:comment>The defininition of the subject resource.</rdfs:comment>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Literal">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Literal</rdfs:label>
- <rdfs:comment>The class of literal values, eg. textual strings and integers.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>Statement</rdfs:label>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:comment>The class of RDF statements.</rdfs:comment>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#subject">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>subject</rdfs:label>
- <rdfs:comment>The subject of the subject RDF statement.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>predicate</rdfs:label>
- <rdfs:comment>The predicate of the subject RDF statement.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#object">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>object</rdfs:label>
- <rdfs:comment>The object of the subject RDF statement.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Container">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Container</rdfs:label>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:comment>The class of RDF containers.</rdfs:comment>
-</rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Bag">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>Bag</rdfs:label>
- <rdfs:comment>The class of unordered containers.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Container"/>
-</rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Seq">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>Seq</rdfs:label>
- <rdfs:comment>The class of ordered containers.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Container"/>
-</rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#Alt">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>Alt</rdfs:label>
- <rdfs:comment>The class of containers of alternatives.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Container"/>
-</rdfs:Class>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#ContainerMembershipProperty">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>ContainerMembershipProperty</rdfs:label>
- <rdfs:comment>The class of container membership properties, rdf:_1, rdf:_2, ...,
- all of which are sub-properties of 'member'.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/>
-</rdfs:Class>
-<rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#member">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>member</rdfs:label>
- <rdfs:comment>A member of the subject resource.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#value">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>value</rdfs:label>
- <rdfs:comment>Idiomatic property used for structured values.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<!-- the following are new additions, Nov 2002 -->
-<rdfs:Class rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#List">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>List</rdfs:label>
- <rdfs:comment>The class of RDF Lists.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/></rdfs:Class>
-<rdf:List rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>nil</rdfs:label>
- <rdfs:comment>The empty list, with no items in it. If the rest of a list is nil then the list has no more items in it.</rdfs:comment>
-</rdf:List>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#first">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>first</rdfs:label>
- <rdfs:comment>The first item in the subject RDF list.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#List"/>
- <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
-</rdf:Property>
-<rdf:Property rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#rest">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>rest</rdfs:label>
- <rdfs:comment>The rest of the subject RDF list after the first item.</rdfs:comment>
- <rdfs:domain rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#List"/>
- <rdfs:range rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#List"/>
-</rdf:Property>
-<rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Datatype">
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
- <rdfs:label>Datatype</rdfs:label>
- <rdfs:comment>The class of RDF datatypes.</rdfs:comment>
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
-</rdfs:Class>
-<del class="diff-old">
-</del>
-<ins class="diff-chg">
-</ins>
-<rdfs:Datatype rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral">
- <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
- <rdfs:isDefinedBy rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
- <rdfs:label>XMLLiteral</rdfs:label>
- <rdfs:comment>The class of XML literal values.</rdfs:comment>
-</rdfs:Datatype>
-<rdf:Description rdf:about="http://www.w3.org/2000/01/rdf-schema#">
- <rdfs:seeAlso rdf:resource="http://www.w3.org/2000/01/rdf-schema-more"/>
-</rdf:Description>
-</rdf:RDF>
-<ins class="diff-new">
-</ins>
-</pre>
-</td>
-</tr>
-</tbody>
-</table>
-<hr />
-</section>
-<section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="references" class="appendix">
-<h2 id="h2_references" role="heading" aria-level="1">
-<span class="secno">
-<ins class="diff-chg">D.
-</ins></span><ins class="diff-chg">
-References
-</ins></h2><section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="normative-references"><h3 id="h3_normative-references" role="heading" aria-level="2"><span class="secno"><ins class="diff-chg">
-D.1
-</ins></span><ins class="diff-chg">
-Normative
-references
-</ins></h3><dl about="" class="bibliography"><dt id="bib-JSON-LD"><ins class="diff-chg">
-[JSON-LD]
-</ins></dt><dd rel="dcterms:requires"><ins class="diff-chg">
-Manu
-Sporny,
-Gregg
-Kellogg,
-Markus
-Lanthaler,
-Editors.
-</ins><cite>
-<a href="http://www.w3.org/TR/2013/PR-json-ld-20131105/">
-<ins class="diff-new">JSON-LD
-1.0
-</ins></a>.</cite><ins class="diff-new">
-5
-November
-2013.
-W3C
-Proposed
-Recommendation.
-URL:
-</ins><a href="http://www.w3.org/TR/2013/PR-json-ld-20131105/"><ins class="diff-new">
-http://www.w3.org/TR/2013/PR-json-ld-20131105/
-</ins></a>.<ins class="diff-new">
-The
-latest
-edition
-is
-available
-at
-</ins><a href="http://www.w3.org/TR/json-ld/"><ins class="diff-new">
-http://www.w3.org/TR/json-ld/
-</ins>
-</a>
-</dd>
-<dt id="bib-RDF11-CONCEPTS">
-<ins class="diff-chg">[RDF11-CONCEPTS]
-</ins></dt><dd rel="dcterms:requires"><ins class="diff-chg">
-Richard
-Cyganiak,
-David
-Wood,
-Markus
-Lanthaler,
-Editors.
-</ins><cite><a href="http://www.w3.org/TR/2013/CR-rdf11-concepts-20131105/"><ins class="diff-chg">
-RDF
-1.1
-Concepts
-and
-Abstract
-Syntax.
-</ins></a></cite><ins class="diff-chg">
-5
-November
-2013.
-W3C
-Candidate
-Recommendation
-(work
-in
-progress).
-URL:
-</ins><a href="http://www.w3.org/TR/2013/CR-rdf11-concepts-20131105/"><ins class="diff-chg">
-http://www.w3.org/TR/2013/CR-rdf11-concepts-20131105/
-</ins></a>.<ins class="diff-chg">
-The
-latest
-edition
-is
-available
-at
-</ins><a href="http://www.w3.org/TR/rdf11-concepts/"><ins class="diff-chg">
-http://www.w3.org/TR/rdf11-concepts/
-</ins></a></dd><dt id="bib-RDF11-MT"><ins class="diff-chg">
-[RDF11-MT]
-</ins></dt><dd rel="dcterms:requires"><ins class="diff-chg">
-Patrick
-J.
-Hayes,
-Peter
-F.
-Patel-Schneider,
-Editors.
-</ins><cite><a href="http://www.w3.org/TR/2013/CR-rdf11-mt-20131105/"><ins class="diff-chg">
-RDF
-1.1
-Semantics.
-</ins></a></cite><ins class="diff-chg">
-5
-November
-2013.
-W3C
-Candidate
-Recommendation
-(work
-in
-progress).
-URL:
-</ins><a href="http://www.w3.org/TR/2013/CR-rdf11-mt-20131105/"><ins class="diff-chg">
-http://www.w3.org/TR/2013/CR-rdf11-mt-20131105/
-</ins></a>.<ins class="diff-chg">
-The
-latest
-edition
-is
-available
-at
-</ins><a href="http://www.w3.org/TR/rdf11-mt/"><ins class="diff-chg">
-http://www.w3.org/TR/rdf11-mt/
-</ins></a></dd><dt id="bib-TRIG"><ins class="diff-chg">
-[TRIG]
-</ins></dt><dd rel="dcterms:requires"><ins class="diff-chg">
-Gavin
-Carothers,
-Andy
-Seaborne,
-Editors.
-</ins><cite><a href="http://www.w3.org/TR/2013/WD-trig-20130919/"><ins class="diff-chg">
-TriG:
-RDF
-Dataset
-Language
-</ins></a></cite>.<ins class="diff-chg">
-19
-September
-2013.
-W3C
-Candidate
-Recommendation
-(work
-in
-progress).
-URL:
-</ins><a href="http://www.w3.org/TR/2013/WD-trig-20130919/"><ins class="diff-chg">
-http://www.w3.org/TR/2013/WD-trig-20130919/
-</ins></a>.<ins class="diff-chg">
-The
-latest
-edition
-is
-available
-at
-</ins><a href="http://www.w3.org/TR/trig/"><ins class="diff-chg">
-http://www.w3.org/TR/trig/
-</ins></a></dd><dt id="bib-TURTLE"><ins class="diff-chg">
-[TURTLE]
-</ins></dt><dd rel="dcterms:requires"><ins class="diff-chg">
-Eric
-Prud'hommeaux,
-Gavin
-Carothers,
-Editors.
-</ins><cite><a href="http://www.w3.org/TR/2013/CR-turtle-20130219/"><ins class="diff-chg">
-RDF
-1.1
-Turtle:
-Terse
-RDF
-Triple
-Language.
-</ins></a></cite><ins class="diff-chg">
-19
-February
-2013.
-W3C
-Candidate
-Recommendation
-(work
-in
-progress).
-URL:
-</ins><a href="http://www.w3.org/TR/2013/CR-turtle-20130219/"><ins class="diff-chg">
-http://www.w3.org/TR/2013/CR-turtle-20130219/
-</ins></a>.<ins class="diff-chg">
-The
-latest
-edition
-is
-available
-at
-</ins><a href="http://www.w3.org/TR/turtle/"><ins class="diff-chg">
-http://www.w3.org/TR/turtle/
-</ins></a></dd></dl></section><section rel="bibo:Chapter" resource="#ref" typeof="bibo:Chapter" id="informative-references"><h3 id="h3_informative-references" role="heading" aria-level="2"><span class="secno"><ins class="diff-chg">
-D.2
-</ins></span><ins class="diff-chg">
-Informative
-references
-</ins></h3><dl about="" class="bibliography"><dt id="bib-BERNERS-LEE98"><ins class="diff-chg">
-[BERNERS-LEE98]
-</ins></dt><dd rel="dcterms:references"><em style="color: #f00"><ins class="diff-chg">
-Reference
-not
-found.
-</ins></em></dd><dt id="bib-OWL2-OVERVIEW"><ins class="diff-chg">
-[OWL2-OVERVIEW]
-</ins></dt><dd rel="dcterms:references"><ins class="diff-chg">
-W3C
-OWL
-Working
-Group.
-</ins><a href="http://www.w3.org/TR/owl2-overview/"><cite><ins class="diff-chg">
-OWL
-2
-Web
-Ontology
-Language
-Document
-Overview
-(Second
-Edition)
-</ins></cite></a>.<ins class="diff-chg">
-11
-December
-2012.
-W3C
-Recommendation.
-URL:
-</ins><a href="http://www.w3.org/TR/owl2-overview/"><ins class="diff-chg">
-http://www.w3.org/TR/owl2-overview/
-</ins></a></dd><dt id="bib-RDF-CONCEPTS"><ins class="diff-chg">
-[RDF-CONCEPTS]
-</ins></dt><dd rel="dcterms:references"><ins class="diff-chg">
-Graham
-Klyne;
-Jeremy
-Carroll.
-</ins><a href="http://www.w3.org/TR/rdf-concepts/"><cite><ins class="diff-chg">
-Resource
-Description
-Framework
-(RDF):
-Concepts
-and
-Abstract
-Syntax
-</ins></cite></a>.<ins class="diff-chg">
-10
-February
-2004.
-W3C
-Recommendation.
-URL:
-</ins><a href="http://www.w3.org/TR/rdf-concepts/"><ins class="diff-chg">
-http://www.w3.org/TR/rdf-concepts/
-</ins></a></dd><dt id="bib-RDF11-PRIMER"><ins class="diff-chg">
-[RDF11-PRIMER]
-</ins></dt><dd rel="dcterms:references"><em style="color: #f00"><ins class="diff-chg">
-Reference
-not
-found.
-</ins></em></dd></dl></section></section>
-</body>
-</html>
-
-
--- a/rdf-schema/notes.txt Sun Dec 22 17:21:34 2013 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,4 +0,0 @@
-ISSUE-39 (Raised)
-ISSUE-55 (Closed)
-ISSUE-56 (Closed)
-ISSUE-57 (Closed)
