--- a/adms/index.html Thu Apr 11 23:33:34 2013 +0100
+++ b/adms/index.html Fri Apr 12 08:03:53 2013 +0100
@@ -69,36 +69,21 @@
vocabularies) that are used for eGovernment system development.</p>
</section>
-<section id="sotd">
- <p>ADMS was first developed by PwC EU Services and <a href="http://joinup.ec.europa.eu/asset/adms/home">published
- by the European Commission</a>. Further development and review has been undertaken by the
- <a href="http://www.w3.org/2011/gld/">Government Linked Data Working Group</a> (GLD WG).</p>
-
-</section>
-
<section class="informative">
<h2 id="intro">Introduction</h2>
<p>ADMS, the Asset Description Metadata Schema, is a profile of DCAT [[DCAT]] for describing so-called
-<em>Semantic Assets</em>, that is, things like standards, code lists and
-taxonomies. Someone searching for a Semantic Asset is likely to have different needs, priorities and expectations
-than someone searching for a data set in a data catalog and these differences are reflected in ADMS.
-In particular, users seeking a Semantic Asset are likely to be searching for 'a document' — something they
+<em>Semantic Assets</em>, that is, highly reusable metadata (e.g. xml schemata,
+generic data models) and reference data (e.g. code lists, taxonomies, dictionaries,
+vocabularies) that are used for eGovernment system development. Someone searching for a Semantic Asset is likely to have different needs, priorities and expectations
+than someone searching for a dataset in a data catalog and these differences are reflected in ADMS.
+In particular, users seeking a Semantic Asset are likely to be searching for a document — something they
can open and read using familiar desktop software, as opposed to something that needs to be processed.
Of course this is a very broad generalization. If a code list is published as a SKOS Concept scheme then it is both a Semantic Asset
and a dataset and it can be argued that all Semantic Assets are datasets. Therefore the difference in
<em>user expectation</em> is at the heart of what distinguishes ADMS as a profile of DCAT. A further distinction
-between DCAT anad ADMS can be made in that DCAT is <em>designed to facilitate interoperability between data catalogs</em>,
+between DCAT and ADMS can be made in that DCAT is <em>designed to facilitate interoperability between data catalogs</em>,
i.e. the catalog itself is at the heart of the vocabulary. ADMS is focused on assets within a catalog.</p>
-<p>The original development of ADMS was carried out under the
-Interoperability Solutions for European Public Administrations (<a href="http://ec.europa.eu/isa/">ISA Programme</a>)
-of the European Commission (EC). Contributors included representatives of Member
-States of the European Union, operators of national repositories, standardization
-bodies and independent experts whose work was published in April 2012 [[ADMS1]].
-That document includes the history and motivation behind the development of ADMS, as well as the
-business need and usage scenario for it.</p>
-<p>This version of ADMS builds on that work in a broader, global context.</p>
-
</section>
<section id="conformance">
@@ -164,11 +149,11 @@
<P><strong>Semantic interoperability</strong> is defined by the European Interoperability Framework 2.02
[[EIF2]] as the ability of information and communication
technology (ICT) systems and the business processes they support to exchange data and to
-enable the sharing of information and knowledge: Semantic Interoperability enables systems to
+enable the sharing of information and knowledge: Semantic interoperability enables systems to
combine received information with other information resources and to process it in a meaningful
manner. It aims at the mental representations that
human beings have of the meaning of any given data.</p>
-<p>The European Commission defines a <strong>semantic interoperability asset</strong> as highly reusable metadata (e.g. xml schemata,
+<p>The European Commission defines a <strong>semantic interoperability asset</strong> as highly reusable metadata (e.g. XML schemata,
generic data models) and reference data (e.g. code lists, taxonomies, dictionaries,
vocabularies) which is used for eGovernment system development [[TOGD]].</p>
<p>This definition is sufficiently broad to allow the inclusion of descriptions of various types of
@@ -185,7 +170,7 @@
that are often conceptual in nature, and accessible realizations of those assets, known
as distributions. An asset may have zero or multiple distributions. As an example, a W3C namespace document
can be considered to be a Semantic Asset that is typically available in multiple distributions, typically one
-or more machine processable versions and one in HTML for human consuption. An asset without any distributions
+or more machine processable versions and one in HTML for human consumption. An asset without any distributions
is effectively a concept with no tangible realization, such as a planned output of a working group that has not yet been drafted.</p>
<p>ADMS is an RDF vocabulary with an RDF schema available at its namespace <a href="http://www.w3.org/ns/adms">http://www.w3.org/ns/adms</a>.
The original ADMS specification published by the European Commission [[ADMS1]] includes an XML schema that also defines
@@ -349,7 +334,7 @@
<dt id="sec_interoperabilityLevel">Interoperability Level <code class="rdfEncoding">skos:Concept</code></dt>
<dd><p>A level as defined in a list such the European Interoperability Framework [[EIF2]] for which an Asset is relevant.</p></dd>
<dt id="sec_language">Language <code class="rdfEncoding">dcterms:LinguisticSystem</code></dt>
- <dd><p>The language of an Asset if its contains textual information, e.g. the language of the terms in a controlled vocabulary or the language in which a specification is written.</p></dd>
+ <dd><p>The language of an Asset if it contains textual information, e.g. the language of the terms in a controlled vocabulary or the language in which a specification is written.</p></dd>
<dt id="sec_license">License <code class="rdfEncoding">dcterms:LicenseDocument</code></dt>
<dd><p>The conditions or restrictions that apply to the use of a Distribution, e.g. whether it is in the
public domain, or that some restrictions apply such as attribution being required, or that it can only be used for non-commercial purposes etc.</p></dd>
@@ -365,7 +350,7 @@
<dt id="sec_status">Status <code class="rdfEncoding">skos:Concept</code></dt>
<dd><p>An indication of the maturity of an Asset or Distribution</p></dd>
<dt id="sec_theme">Theme <code class="rdfEncoding">skos:Concept</code></dt>
- <dd><p>The sector that an Asset applies to, e.g. "law" or "environment". Best practice is to user terms from a controlled vocabulary.</p></dd>
+ <dd><p>The sector that an Asset applies to, e.g. "law" or "environment". Best practice is to use terms from a controlled vocabulary.</p></dd>
<dt id="sec_themeTaxonomy">Theme Taxonomy <code class="rdfEncoding">skos:ConceptScheme</code></dt>
<dd><p>A controlled vocabulary that contains terms that are used as Themes for the Assets in a Repository.</p></dd>
</dl>
@@ -388,9 +373,9 @@
<p>Any kind of URL that gives access to a Semantic Asset Distribution, e.g. a landing page, download, feed URL, SPARQL endpoint etc.
Use dcat:accessURL when you do not have information on which it is or when it is definitely not a download.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/dcat#accessURL">dcat:accessURL</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/dcat#accessURL">dcat:accessURL</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a>.</td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
<tr><td class="prop">Usage note</td><td><ul>
<li>the value is a URL.</li>
<li>If the distribution(s) are accessible only through a landing page (i.e. direct download URLs are not known), then the landing page link
@@ -403,8 +388,8 @@
<h3 id="skos_altLabel">skos:altLabel</h3>
<p>An alternative name for the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://www.w3.org/2004/02/skos/core#altLabel">skos:altLabel</a></th></tr></thead>
- <tbody><tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr></tbody>
+ <thead><tr><th>Datatype Property</th><th><a href="http://www.w3.org/2004/02/skos/core#altLabel">skos:altLabel</a></th></tr></thead>
+ <tbody><tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr></tbody>
</table>
</section>
@@ -412,9 +397,9 @@
<h3 id="adms_contactPoint">adms:contactPoint</h3>
<p>A contact point for further information about a Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#contactPoint">adms:contactPoint</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#contactPoint">adms:contactPoint</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2006/vcard/ns#">v:VCard</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2006/vcard/ns#">v:VCard</a></td></tr>
</tbody>
</table>
</section>
@@ -423,10 +408,10 @@
<h3 id="wdrs_describedby">wdrs:describedby</h3>
<p>The main documentation or specification of the Semantic Asset</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/2007/05/powder-s#describedby">wdrs:describedby</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/2007/05/powder-s#describedby">wdrs:describedby</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
- <tr><td class="prop">Usage note></td><td>See also <a href="#dcat_landingPage">dcat:landingPage</a>, <a href="#adms_relatedDocumentation">adms:relatedDocumentation</a>, <a href="#adms_relatedWebPage">adms:relatedWebPage</a> </td></tr>
+ <tr><td class="prop">Usage note</td><td>See also <a href="#dcat_landingPage">dcat:landingPage</a>, <a href="#adms_relatedDocumentation">adms:relatedDocumentation</a>, <a href="#adms_relatedWebPage">adms:relatedWebPage</a> </td></tr>
</tbody>
</table>
</section>
@@ -436,19 +421,19 @@
<h3 id="dcterms_description">dcterms:description</h3>
<p>A description of the Semantic Asset, Semantic Asset Repository or Semantic Distribution.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://purl.org/dc/terms/description">dcterms:description</a></th></tr></thead>
- <tbody><tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr></tbody>
+ <thead><tr><th>Datatype Property</th><th><a href="http://purl.org/dc/terms/description">dcterms:description</a></th></tr></thead>
+ <tbody><tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr></tbody>
</table>
</section>
<section>
<h3 id="adms_distribution">adms:distribution</h3>
<p>Links a Semantic Asset to an implementation in a particular format.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#distribution">adms:distribution</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#distribution">adms:distribution</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Sub property of:</td><td><a href="http://www.w3.org/ns/dcat#distribution">dcat:distribution</a></td></tr>
- <tr><td class="prop">Domain:</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/adms#SemanticAssetDistribution">adms:SemanticAssetDistribution</a></td></tr>
+ <tr><td class="prop">Sub property of</td><td><a href="http://www.w3.org/ns/dcat#distribution">dcat:distribution</a></td></tr>
+ <tr><td class="prop">Domain</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/ns/adms#SemanticAssetDistribution">adms:SemanticAssetDistribution</a></td></tr>
</tbody>
</table>
</section>
@@ -456,7 +441,7 @@
<h3 id="dcat_downloadURL">dcat:downloadURL</h3>
<p>This is a direct link from a Semantic Asset Distribution to a downloadable file in a given format, e.g. CSV file or RDF file. The format is described by the distribution's dcterms:format and/or dcat:mediaType.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/dcat#downloadURL">dcat:downloadURL</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/dcat#downloadURL">dcat:downloadURL</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a>.</td></tr>
</tbody>
@@ -466,10 +451,10 @@
<h3 id="dcterms_format">dcterms:format</h3>
<p>The file format of the distribution.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/format">dcterms:format</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/format">dcterms:format</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/MediaTypeOrExtent">dcterms:MediaTypeOrExtent</a>.</td></tr>
- <tr><td class="prop">Usage note:</td><td><a href="#dcat_mediaType">dcat:mediaType</a> should be used if the type of the distribution is defined by <a href="http://www.iana.org/assignments/media-types/">IANA</a>.
+ <tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/MediaTypeOrExtent">dcterms:MediaTypeOrExtent</a></td></tr>
+ <tr><td class="prop">Usage note</td><td><a href="#dcat_mediaType">dcat:mediaType</a> should be used if the type of the distribution is defined by <a href="http://www.iana.org/assignments/media-types/">IANA</a>.
Suitable values for <code>dcterms:format</code> include URIs as used in the <a href="#sadEg">example</a>. See also <a href="#adms_representationTechnique">adms:representationTechnique</a>.</td></tr>
</tbody>
</table>
@@ -479,9 +464,9 @@
<h3 id="adms_identifier">adms:identifier</h3>
<p>Links a resource to an <code>adms:Identifier</code> class.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#identifier">adms:identifier</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#identifier">adms:identifier</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/adms#Identifier">adms:Identifier</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/ns/adms#Identifier">adms:Identifier</a></td></tr>
</tbody>
</table>
</section>
@@ -490,10 +475,10 @@
<h3 id="adms_includedAsset">adms:includedAsset</h3>
<p>A Semantic Asset that is contained in the Semantic Asset being described, e.g. when there are several vocabularies defined in a single document.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#includedAsset">adms:includedAsset</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#includedAsset">adms:includedAsset</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Domain:</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
+ <tr><td class="prop">Domain</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
</tbody>
</table>
</section>
@@ -501,9 +486,9 @@
<h3 id="adms_includedItem">adms:includedItem</h3>
<p>An item that is contained in the Semantic Asset (e.g. a concept in a controlled vocabulary, an individual code in a code list or any other ‘atomic’ element).</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#includedItem">adms:includedItem</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#includedItem">adms:includedItem</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/adms#Item">adms:Item</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/ns/adms#Item">adms:Item</a></td></tr>
</tbody>
</table>
</section>
@@ -512,9 +497,9 @@
<h3 id="adms_interoperabilityLevel">adms:interoperabilityLevel</h3>
<p>The interoperability level for which the Semantic Asset is relevant.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#interoperabilityLevel">adms:interoperabilityLevel</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#interoperabilityLevel">adms:interoperabilityLevel</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
</tbody>
</table>
</section>
@@ -523,9 +508,9 @@
<h3 id="dcterms_isPartOf">dcterms:isPartOf</h3>
<p>Used to link a Semantic Asset to a Semantic Asset Repository.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/isPartOf">dcterms:isPartOf</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/isPartOf">dcterms:isPartOf</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
</tbody>
</table>
</section>
@@ -536,9 +521,9 @@
<p>Date of formal issuance (e.g., publication) of the Semantic Asset, Semantic Asset Repository or Semantic Distribution.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://purl.org/dc/terms/issued">dcterms:issued</a></th></tr></thead>
+ <thead><tr><th>Datatype Property</th><th><a href="http://purl.org/dc/terms/issued">dcterms:issued</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a>
using the relevant <a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time</a> compliant string and
typed using the appropriate XML Schema datatype [[XMLSCHEMA-2]]</td></tr>
</tbody>
@@ -549,9 +534,9 @@
<h3 id="dcat_keyword">dcat:keyword</h3>
<p>A word, phrase or tag to describe the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://www.w3.org/ns/dcat#keyword">dcat:keyword</a></th></tr></thead>
+ <thead><tr><th>Datatype Property</th><th><a href="http://www.w3.org/ns/dcat#keyword">dcat:keyword</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
</tbody>
</table>
</section>
@@ -559,10 +544,10 @@
<h3 id="dcat_landingPage">dcat:landingPage</h3>
<p>A Web page that can be navigated to in a Web browser to gain access to the Semantic Asset, its distributions and/or additional information.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/dcat#landingPage">dcat:landingPage</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/dcat#landingPage">dcat:landingPage</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>If the Semantic Asset Distribution(s) are accessible only through a landing page (i.e. direct download URLs are not known), then the landing page link should be duplicated as accessURL on a distribution.</td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
+ <tr><td class="prop">Usage note</td><td>If the Semantic Asset Distribution(s) are accessible only through a landing page (i.e. direct download URLs are not known), then the landing page link should be duplicated as accessURL on a distribution.</td></tr>
</tbody>
</table>
</section>
@@ -571,7 +556,7 @@
<h3 id="dcterms_language">dcterms:language</h3>
<p>The language of the Semantic Asset</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/LinguisticSystem">dcterms:LinguisticSystem</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/LinguisticSystem">dcterms:LinguisticSystem</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a><br/>
Resources defined by the Library of Congress (<a href="http://id.loc.gov/vocabulary/iso639-1.html">1</a>, <a href="http://id.loc.gov/vocabulary/iso639-2.html">2</a>)
@@ -587,9 +572,9 @@
<h3 id="xhv_last">xhv:last</h3>
<p>A link to the current or latest version of the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/1999/xhtml/vocab#last">xhv:last</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/1999/xhtml/vocab#last">xhv:last</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
</tbody>
</table>
</section>
@@ -598,10 +583,10 @@
<h3 id="dcterms_license">dcterms:license</h3>
<p>Links to the conditions or restrictions for (re-)use of the Semantic Asset Distribution.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/license">dcterms:license</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/license">dcterms:license</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/LicenseDocument">dcterms:LicenseDocument</a>.</td></tr>
- <tr><td class="prop">Usage note:</td><td>If multiple licenses are given, these licenses apply to all files in the Semantic Asset Distribution.</td></tr>
+ <tr><td class="prop">Usage note</td><td>If multiple licenses are given, these licenses apply to all files in the Semantic Asset Distribution.</td></tr>
</tbody>
</table>
</section>
@@ -609,10 +594,10 @@
<h3 id="dcat_mediaType">dcat:mediaType</h3>
<p>The media type of the distribution as defined by <a href="http://www.iana.org/assignments/media-types/">IANA</a>.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/dcat#mediaType">dcat:mediaType</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/dcat#mediaType">dcat:mediaType</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/MediaTypeOrExtent">dcterms:MediaTypeOrExtent</a>.</td></tr>
- <tr><td class="prop">Usage note:</td><td>This property <em title="should" class="rfc2119">should</em> be used when the media type of the distribution is defined in
+ <tr><td class="prop">Usage note</td><td>This property <em title="should" class="rfc2119">should</em> be used when the media type of the distribution is defined in
<a href="http://www.iana.org/assignments/media-types/">IANA</a>, e.g. <code>text/csv</code> otherwise <a href="#dcterms_format">dcterms:format</a> <em title="may" class="rfc2119">may</em> be used with different values.
See also <a href="#adms_representationTechnique">adms:representationTechnique</a>.</td></tr>
</tbody>
@@ -622,9 +607,9 @@
<h3 id="dcterms_modified">dcterms:modified</h3>
<p>Date of the latest update of the Semantic Asset, Semantic Asset Repository or Semantic Distribution.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://purl.org/dc/terms/modified">dcterms:modified</a></th></tr></thead>
+ <thead><tr><th>Datatype Property</th><th><a href="http://purl.org/dc/terms/modified">dcterms:modified</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a>
using the relevant <a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time</a> compliant string and
typed using the appropriate XML Schema datatype [[XMLSCHEMA-2]]</td></tr>
</tbody>
@@ -634,9 +619,9 @@
<h3 id="xhv_next">xhv:next</h3>
<p>A link to the next version of the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/1999/xhtml/vocab#next">xhv:next</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/1999/xhtml/vocab#next">xhv:next</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
</tbody>
</table>
</section>
@@ -644,20 +629,20 @@
<h3 id="xhv_prev">xhv:prev</h3>
<p>A link to the previous version of the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/1999/xhtml/vocab#prev">xhv:prev</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/1999/xhtml/vocab#prev">xhv:prev</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
</tbody>
</table>
</section>
<section>
<h3 id="dcterms_publisher">dcterms:publisher</h3>
-<p>Links a Semantic Asset, Semantic Asset Repository or Seamntic Asset Distribution to the publishing foaf:Agent.</p>
+<p>Links a Semantic Asset, Semantic Asset Repository or Semantic Asset Distribution to the publishing foaf:Agent.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/publisher">dcterms:publisher</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/publisher">dcterms:publisher</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Agent">foaf:Agent</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://xmlns.com/foaf/0.1/Agent">foaf:Agent</a></td></tr>
</tbody>
</table>
</section>
@@ -665,9 +650,9 @@
<h3 id="adms_relatedDocumentation">adms:relatedDocumentation</h3>
<p>Links to documentation that contains information related to the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#relatedDocumentation">adms:relatedDocumentation</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#relatedDocumentation">adms:relatedDocumentation</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
</tbody>
</table>
</section>
@@ -675,9 +660,9 @@
<h3 id="adms_relatedWebPage">adms:relatedWebPage</h3>
<p>Links to a Web page that contains information related to the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#relatedWebPage">adms:relatedWebPage</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#relatedWebPage">adms:relatedWebPage</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
</tbody>
</table>
</section>
@@ -685,9 +670,9 @@
<h3 id="dcterms_relation">dcterms:relation</h3>
<p>A link between two Semantic Assets that are related in some (unspecified) way.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/relation">dcterms:relation</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/relation">dcterms:relation</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a>.</td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
</tbody>
</table>
</section>
@@ -696,10 +681,10 @@
<h3 id="adms_representationTechnique">adms:representationTechnique</h3>
<p>More information about the format in which a Semantic Asset Distribution is released. This is different from the file format as, for example, a ZIP file (file format) could contain an XML schema (representation technique).</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#representationTechnique">adms:representationTechnique</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#representationTechnique">adms:representationTechnique</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>See also <a href="#dcterms_format">dcterms:format</a> and <a href="#dcat_mediaType">dcat:mediaType</a>.</td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
+ <tr><td class="prop">Usage note</td><td>See also <a href="#dcterms_format">dcterms:format</a> and <a href="#dcat_mediaType">dcat:mediaType</a>.</td></tr>
</tbody>
</table>
@@ -708,9 +693,9 @@
<h3 id="adms_sample">adms:sample</h3>
<p>Links to a sample of a Semantic Asset (which is itself a Semantic Asset).</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#sample">adms:sample</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#sample">adms:sample</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/ns/adms#SemanticAsset">adms:SemanticAsset</a></td></tr>
</tbody>
</table>
</section>
@@ -718,9 +703,9 @@
<h3 id="dcterms_spatial">dcterms:spatial</h3>
<p>The geographic region to which the Semantic Asset or Semantic Asset Repository applies.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/spatial">dcterms:spatial</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/spatial">dcterms:spatial</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/Location">dcterms:Location</a>.</td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/Location">dcterms:Location</a></td></tr>
</tbody>
</table>
</section>
@@ -729,9 +714,9 @@
<h3 id="adms_status">adms:status</h3>
<p>The status of the Semantic Asset in the context of a particular workflow process.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#status">adms:status</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#status">adms:status</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
</tbody>
</table>
</section>
@@ -739,7 +724,7 @@
<h3 id="adms_supportedSchema">adms:supportedSchema</h3>
<p>A schema according to which the Semantic Asset Repository can provide data about its content, e.g. ADMS.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://www.w3.org/ns/adms#supportedSchema">adms:supportedSchema</a></th></tr></thead>
+ <thead><tr><th>Datatype Property</th><th><a href="http://www.w3.org/ns/adms#supportedSchema">adms:supportedSchema</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a>.</td></tr>
</tbody>
@@ -749,9 +734,9 @@
<h3 id="dcterms_temporal">dcterms:temporal</h3>
<p>The time period to which the Semantic Asset applies, e.g. its validity.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/temporal">dcterms:temporal</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/temporal">dcterms:temporal</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/PeriodOfTime">dcterms:PeriodOfTime</a>.</td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://purl.org/dc/terms/PeriodOfTime">dcterms:PeriodOfTime</a></td></tr>
</tbody>
</table>
</section>
@@ -760,10 +745,10 @@
<h3 id="dcat_theme">dcat:theme</h3>
<p>The theme or sector to which the Semantic Asset applies.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/dcat#theme">dcat:theme</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/dcat#theme">dcat:theme</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Sub property of:</td><td><a href="http://purl.org/dc/terms/subject">dcterms:subject</a></td></tr>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
+ <tr><td class="prop">Sub property of</td><td><a href="http://purl.org/dc/terms/subject">dcterms:subject</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
</tbody>
</table>
</section>
@@ -772,9 +757,9 @@
<h3 id="dcat_themeTaxonomy">dcat:themeTaxonomy</h3>
<p>The SKOS Concept Scheme used to classify Semantic Asset Repository's assets.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/dcat#themeTaxonomy">dcat:themeTaxonomy</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/dcat#themeTaxonomy">dcat:themeTaxonomy</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#ConceptScheme">skos:ConceptScheme</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2004/02/skos/core#ConceptScheme">skos:ConceptScheme</a></td></tr>
</tbody>
</table>
</section>
@@ -782,17 +767,17 @@
<h3 id="dcterms_title">dcterms:title</h3>
<p>A name given to the Semantic Asset, Semantic Asset Repository or Semantic Distribution.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://purl.org/dc/terms/title">dcterms:title</a></th></tr></thead>
- <tbody><tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr></tbody>
+ <thead><tr><th>Datatype Property</th><th><a href="http://purl.org/dc/terms/title">dcterms:title</a></th></tr></thead>
+ <tbody><tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr></tbody>
</table>
</section>
<section>
<h3 id="adms_translation">adms:translation</h3>
<p>Links Semantic Assets that are translations of each other.</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://www.w3.org/ns/adms#translation">adms:translation</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://www.w3.org/ns/adms#translation">adms:translation</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a>.</td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
</tbody>
</table>
</section>
@@ -800,9 +785,9 @@
<h3 id="dcterms_type">dcterms:type</h3>
<p>The type of the Semantic Asset which should be provided using a controlled vocabulary encoded as a SKOS Concept</p>
<table class="definition">
- <thead><tr><th>Object Type Property:</th><th><a href="http://purl.org/dc/terms/type">dcterms:type</a></th></tr></thead>
+ <thead><tr><th>Object Type Property</th><th><a href="http://purl.org/dc/terms/type">dcterms:type</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td>Formally <a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a> but <a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a> <em title="should" class="rfc2119">should</em> be used.</td></tr>
+ <tr><td class="prop">Range</td><td>Formally <a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a> but <a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a> <em title="should" class="rfc2119">should</em> be used.</td></tr>
</tbody>
</table>
</section>
@@ -812,9 +797,9 @@
<h3 id="adms_version">adms:version</h3>
<p>A version number or other designation of the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://www.w3.org/ns/adms#version">adms:version</a></th></tr></thead>
+ <thead><tr><th>Datatype Property</th><th><a href="http://www.w3.org/ns/adms#version">adms:version</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
</tbody>
</table>
</section>
@@ -823,9 +808,9 @@
<h3 id="adms_versionNotes">adms:versionNotes</h3>
<p>A description of changes between this version and the previous version of the Semantic Asset.</p>
<table class="definition">
- <thead><tr><th>Datatype Property:</th><th><a href="http://www.w3.org/ns/adms#version">adms:versionNotes</a></th></tr></thead>
+ <thead><tr><th>Datatype Property</th><th><a href="http://www.w3.org/ns/adms#version">adms:versionNotes</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ <tr><td class="prop">Range</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
</tbody>
</table>
</section>
@@ -834,5 +819,21 @@
</section> <!-- Domain Model -->
+<section id="acknowledgements" class="appendix">
+<h2>Acknowledgements</h2>
+<p>ADMS was first developed by PwC EU Services and <a href="http://joinup.ec.europa.eu/asset/adms/home">published
+ by the European Commission</a>. Further development and review has been undertaken by the
+ <a href="http://www.w3.org/2011/gld/">Government Linked Data Working Group</a> (GLD WG).</p>
+
+<p>The original development of ADMS was carried out under the
+Interoperability Solutions for European Public Administrations (<a href="http://ec.europa.eu/isa/">ISA Programme</a>)
+of the European Commission (EC). Contributors included representatives of Member
+States of the European Union, operators of national repositories, standardization
+bodies and independent experts whose work was published in April 2012 [[ADMS1]].
+That document includes the history and motivation behind the development of ADMS, as well as the
+business need and usage scenario for it.</p>
+<p>This version of ADMS builds on that work in a broader, global context.</p>
+
+</section>
</body></html>
--- a/dcat/static.html Thu Apr 11 23:33:34 2013 +0100
+++ b/dcat/static.html Fri Apr 12 08:03:53 2013 +0100
@@ -1,12 +1,15 @@
-<!DOCTYPE html PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>
-<html lang="en" dir="ltr">
-<head>
+<!DOCTYPE html>
+<!-- saved from url=(0064)file://localhost/Users/fadi/development/Spec/gld/dcat/index.html -->
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Data Catalog Vocabulary (DCAT)</title>
<meta name="description" content="A vocabulary for describing the contents of a data catalog">
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+
<!--[if lt IE 9]>
<script src="http://www.w3.org/2008/site/js/html5shiv.js"></script> <![endif]-->
+
+
+
<style type="text/css">
table {
border-collapse:collapse;
@@ -49,14 +52,11 @@
}
</style>
<!-- <link href="http://www.w3.org/StyleSheets/TR/W3C-ED" rel="stylesheet" type="text/css" charset="utf-8" /> -->
-<style type="text/css">
-/*****************************************************************
- * ReSpec CSS
- * Robin Berjon (robin at berjon dot com)
- * v0.05 - 2009-07-31
+<style>/*****************************************************************
+ * ReSpec 3 CSS
+ * Robin Berjon - http://berjon.com/
*****************************************************************/
-
/* --- INLINES --- */
em.rfc2119 {
text-transform: lowercase;
@@ -90,224 +90,36 @@
text-decoration: none;
}
+cite .bibref {
+ font-style: normal;
+}
+
code {
color: #ff4500;
}
-/* --- WEB IDL --- */
-pre.idl {
- border-top: 1px solid #90b8de;
- border-bottom: 1px solid #90b8de;
- padding: 1em;
- line-height: 120%;
-}
+/* --- --- */
+ol.algorithm { counter-reset:numsection; list-style-type: none; }
+ol.algorithm li { margin: 0.5em 0; }
+ol.algorithm li:before { font-weight: bold; counter-increment: numsection; content: counters(numsection, ".") ") "; }
-pre.idl::before {
- content: "WebIDL";
- display: block;
- width: 150px;
- background: #90b8de;
- color: #fff;
- font-family: initial;
- padding: 3px;
- font-weight: bold;
- margin: -1em 0 1em -1em;
-}
-
-.idlType {
- color: #ff4500;
- font-weight: bold;
+/* --- TOC --- */
+.toc a, .tof a {
text-decoration: none;
}
-/*.idlModule*/
-/*.idlModuleID*/
-/*.idlInterface*/
-.idlInterfaceID, .idlDictionaryID {
- font-weight: bold;
- color: #005a9c;
-}
-
-.idlSuperclass {
- font-style: italic;
- color: #005a9c;
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+ <p>
+
+ <a href="http://www.w3.org/"><img width="72" height="48" src="./static_files/w3c_home" alt="W3C"></a>
+
+ </p>
+ <h1 class="title" id="title">Data Catalog Vocabulary (DCAT)</h1>
+
+ <h2 id="w3c-working-draft-12-march-2013"><abbr title="World Wide Web Consortium">W3C</abbr> Working Draft 12 March 2013</h2>
+ <dl>
+
+ <dt>This version:</dt>
+ <dd><a href="http://www.w3.org/TR/2013/WD-vocab-dcat-20130312/">http://www.w3.org/TR/2013/WD-vocab-dcat-20130312/</a></dd>
+ <dt>Latest published version:</dt>
+ <dd><a href="http://www.w3.org/TR/vocab-dcat/">http://www.w3.org/TR/vocab-dcat/</a></dd>
+
+
+ <dt>Latest editor's draft:</dt>
+ <dd><a href="http://dvcs.w3.org/hg/gld/raw-file/default/dcat/index.html">http://dvcs.w3.org/hg/gld/raw-file/default/dcat/index.html</a></dd>
+
+
+
+
+
+ <dt>Previous version:</dt>
+ <dd><a href="http://www.w3.org/TR/2012/WD-vocab-dcat-20120405/">http://www.w3.org/TR/2012/WD-vocab-dcat-20120405/</a></dd>
+
+
+ <dt>Editors:</dt>
+ <dd><a href="mailto:fadi.maali@deri.org">Fadi Maali</a>, <a href="http://www.deri.ie/">DERI, NUI Galway</a></dd>
+<dd><a href="mailto:olyerickson@gmail.com">John Erickson</a>, <a href="http://tw.rpi.edu/">Tetherless World Constellation (RPI)</a></dd>
+<dd><a href="mailto:phila@w3.org">Phil Archer</a>, <a href="http://www.w3.org/"><abbr title="World Wide Web Consortium">W3C</abbr>/<abbr title="European Research Consortium for Informatics and Mathematics">ERCIM</abbr></a></dd>
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+
+
+
+
+
+ <p class="copyright">
+ <a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> ©
+ 2013
+
+ <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>), 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>
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-
-</style><link charset="utf-8" type="text/css" rel="stylesheet" href="http://www.w3.org/StyleSheets/TR/W3C-WD"></head>
-<body style="display: inherit;"><div class="head"><p><a href="http://www.w3.org/"><img src="http://www.w3.org/Icons/w3c_home" alt="W3C" width="72" height="48"></a></p><h1 class="title" id="title">Data Catalog Vocabulary (DCAT)</h1><h2 id="w3c-working-draft-05-april-2012"><acronym title="World Wide Web Consortium">W3C</acronym> Working Draft 05 April 2012</h2><dl><dt>This version:</dt><dd><a href="http://www.w3.org/TR/2012/WD-vocab-dcat-20120405/">http://www.w3.org/TR/2012/WD-vocab-dcat-20120405/</a></dd><dt>Latest published version:</dt><dd><a href="http://www.w3.org/TR/vocab-dcat/">http://www.w3.org/TR/vocab-dcat/</a></dd><dt>Latest editor's draft:</dt><dd><a href="http://dvcs.w3.org/hg/gld/raw-file/default/dcat/index.html">http://dvcs.w3.org/hg/gld/raw-file/default/dcat/index.html</a></dd><dt>Editors:</dt><dd><a href="mailto:fadi.maali@deri.org">Fadi Maali</a>, <a href="http://www.deri.ie">DERI, NUIG</a></dd>
-<dd><a href="mailto:olyerickson@gmail.com">John Erickson</a>, <a href="http://tw.rpi.edu/">Tetherless World Constellation (RPI)</a></dd>
-<dd><a href="mailto:phila@w3.org">Phil Archer</a>, <a href="http://www.w3.org/"><acronym title="World Wide Web Consortium">W3C</acronym>/<acronym title="European Research Consortium for Informatics and Mathematics">ERCIM</acronym></a></dd>
-</dl><p class="copyright"><a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2012 <a href="http://www.w3.org/"><acronym title="World Wide Web Consortium">W3C</acronym></a><sup>®</sup> (<a href="http://www.csail.mit.edu/"><acronym title="Massachusetts Institute of Technology">MIT</acronym></a>, <a href="http://www.ercim.eu/"><acronym title="European Research Consortium for Informatics and Mathematics">ERCIM</acronym></a>, <a href="http://www.keio.ac.jp/">Keio</a>), All Rights Reserved. <acronym title="World Wide Web Consortium">W3C</acronym> <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="introductory section" id="abstract"><h2>Abstract</h2>
+<section id="abstract" class="introductory"><h2>Abstract</h2>
<p>DCAT is an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web. This document defines the schema and provides examples for its use.</p>
<p>By using DCAT to describe datasets in data catalogs, publishers increase discoverability and enable applications easily to consume metadata from multiple catalogs. It further enables decentralized publishing of catalogs and facilitates federated dataset search across sites. Aggregated DCAT metadata can serve as a manifest file to facilitate digital preservation.</p>
-</div><div id="sotd" class="introductory section"><h2>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 <acronym title="World Wide Web Consortium">W3C</acronym> publications and the latest revision of this technical report can be found in the <a href="http://www.w3.org/TR/"><acronym title="World Wide Web Consortium">W3C</acronym> technical reports index</a> at http://www.w3.org/TR/.</em></p>
- <p>This publication signals the move of DCAT onto the <acronym title="World Wide Web Consortium">W3C</acronym> Recommendation Track. DCAT was first
+</section><section id="sotd" class="introductory"><h2>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>
+
+ <p>This publication signals the move of DCAT onto the <abbr title="World Wide Web Consortium">W3C</abbr> Recommendation Track. DCAT was first
developed and published by DERI and has seen widespread adoption at the time of
this publication. The <a href="http://vocab.deri.ie/dcat">original vocabulary</a>
was further developed by the <a href="http://www.w3.org/egov/">eGov Interest Group</a>, before being brought onto the
Recommendation Track by <a href="http://www.w3.org/2011/gld/">Government Linked Data (GLD)</a> Working Group.</p>
-<p>This document was published by the <a href="http://www.w3.org/2011/gld/">Government Linked Data (GLD) Working Group</a> as a First Public Working Draft. This document is intended to become a <acronym title="World Wide Web Consortium">W3C</acronym> Recommendation. If you wish to make comments regarding this document, please send them to <a href="mailto:public-gld-comments@w3.org">public-gld-comments@w3.org</a> (<a href="mailto:public-gld-comments-request@w3.org?subject=subscribe">subscribe</a>, <a href="http://lists.w3.org/Archives/Public/public-gld-comments/">archives</a>). All feedback is welcome.</p><p>Publication as a Working Draft does not imply endorsement by the <acronym title="World Wide Web Consortium">W3C</acronym> 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/">5 February 2004 <acronym title="World Wide Web Consortium">W3C</acronym> Patent Policy</a>. <acronym title="World Wide Web Consortium">W3C</acronym> maintains a <a href="http://www.w3.org/2004/01/pp-impl/47663/status" rel="disclosure">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 <acronym title="World Wide Web Consortium">W3C</acronym> Patent Policy</a>.</p></div><div class="section" id="toc"><h2 class="introductory">Table of Contents</h2><ul class="toc"><li class="tocline"><a class="tocxref" href="#introduction"><span class="secno">1. </span>Introduction</a></li><li class="tocline"><a class="tocxref" href="#conformance"><span class="secno">2. </span>Conformance</a></li><li class="tocline"><a class="tocxref" href="#namespaces-1"><span class="secno">3. </span>Namespaces</a></li><li class="tocline"><a class="tocxref" href="#vocabulary-overview"><span class="secno">4. </span>Vocabulary Overview</a></li><li class="tocline"><a class="tocxref" href="#class--catalog"><span class="secno">5. </span>Class: Catalog</a><ul class="toc"><li class="tocline"><a class="tocxref" href="#property--homepage"><span class="secno">5.1 </span>Property: homepage</a></li><li class="tocline"><a class="tocxref" href="#property--publisher"><span class="secno">5.2 </span>Property: publisher</a></li><li class="tocline"><a class="tocxref" href="#property--spatial-geographic-coverage"><span class="secno">5.3 </span>Property: spatial/geographic coverage></a></li><li class="tocline"><a class="tocxref" href="#property--themes"><span class="secno">5.4 </span>Property: themes</a></li><li class="tocline"><a class="tocxref" href="#property--title"><span class="secno">5.5 </span>Property: title</a></li><li class="tocline"><a class="tocxref" href="#property--description"><span class="secno">5.6 </span>Property: description</a></li><li class="tocline"><a class="tocxref" href="#property--language"><span class="secno">5.7 </span>Property: language</a></li><li class="tocline"><a class="tocxref" href="#property--license"><span class="secno">5.8 </span>Property: license</a></li><li class="tocline"><a class="tocxref" href="#property--dataset"><span class="secno">5.9 </span>Property: dataset</a></li><li class="tocline"><a class="tocxref" href="#property--catalog-record"><span class="secno">5.10 </span>Property: catalog record</a></li></ul></li><li class="tocline"><a class="tocxref" href="#class--catalog-record"><span class="secno">6. </span>Class: Catalog record</a><ul class="toc"><li class="tocline"><a class="tocxref" href="#property--listing-date"><span class="secno">6.1 </span>Property: listing date</a></li><li class="tocline"><a class="tocxref" href="#property--update-modification-date"><span class="secno">6.2 </span>Property: update/modification date</a></li><li class="tocline"><a class="tocxref" href="#property--dataset-1"><span class="secno">6.3 </span>Property: dataset</a></li></ul></li><li class="tocline"><a class="tocxref" href="#class--dataset"><span class="secno">7. </span>Class: Dataset</a><ul class="toc"><li class="tocline"><a class="tocxref" href="#property--update-modification-date-1"><span class="secno">7.1 </span>Property: update/modification date</a></li><li class="tocline"><a class="tocxref" href="#property--title-1"><span class="secno">7.2 </span>Property: title</a></li><li class="tocline"><a class="tocxref" href="#property--description-1"><span class="secno">7.3 </span>Property: description</a></li><li class="tocline"><a class="tocxref" href="#property--publisher-1"><span class="secno">7.4 </span>Property: publisher</a></li><li class="tocline"><a class="tocxref" href="#property--release-date"><span class="secno">7.5 </span>Property: release date</a></li><li class="tocline"><a class="tocxref" href="#property--frequency"><span class="secno">7.6 </span>Property: frequency</a></li><li class="tocline"><a class="tocxref" href="#property--identifier"><span class="secno">7.7 </span>Property: identifier</a></li><li class="tocline"><a class="tocxref" href="#property--spatial-geographical-coverage"><span class="secno">7.8 </span>Property: spatial/geographical coverage</a></li><li class="tocline"><a class="tocxref" href="#property--temporal-coverage"><span class="secno">7.9 </span>Property: temporal coverage</a></li><li class="tocline"><a class="tocxref" href="#property--language-1"><span class="secno">7.10 </span>Property: language</a></li><li class="tocline"><a class="tocxref" href="#property--license-1"><span class="secno">7.11 </span>Property: license</a></li><li class="tocline"><a class="tocxref" href="#property--granularity"><span class="secno">7.12 </span>Property: granularity</a></li><li class="tocline"><a class="tocxref" href="#property--data-dictionary"><span class="secno">7.13 </span>Property: data dictionary</a></li><li class="tocline"><a class="tocxref" href="#property--data-quality"><span class="secno">7.14 </span>Property: data quality</a></li><li class="tocline"><a class="tocxref" href="#property--theme-category"><span class="secno">7.15 </span>Property: theme/category</a></li><li class="tocline"><a class="tocxref" href="#property--keyword-tag"><span class="secno">7.16 </span>Property: keyword/tag</a></li><li class="tocline"><a class="tocxref" href="#property--related-documents"><span class="secno">7.17 </span>Property: related documents</a></li><li class="tocline"><a class="tocxref" href="#property--dataset-distribution"><span class="secno">7.18 </span>Property: dataset distribution</a></li><li class="tocline"><a class="tocxref" href="#class--distribution"><span class="secno">7.19 </span>Class: Distribution</a></li><li class="tocline"><a class="tocxref" href="#property--access-download"><span class="secno">7.20 </span>Property: access/download</a></li><li class="tocline"><a class="tocxref" href="#property--size"><span class="secno">7.21 </span>Property: size</a></li><li class="tocline"><a class="tocxref" href="#property--format"><span class="secno">7.22 </span>Property: format</a></li></ul></li><li class="tocline"><a class="tocxref" href="#class--download"><span class="secno">8. </span>Class: Download</a></li><li class="tocline"><a class="tocxref" href="#class--webservice"><span class="secno">9. </span>Class: WebService</a></li><li class="tocline"><a class="tocxref" href="#class--feed"><span class="secno">10. </span>Class: Feed</a></li><li class="tocline"><a class="tocxref" href="#class--category-and-category-scheme"><span class="secno">11. </span>Class: Category and category scheme</a></li><li class="tocline"><a class="tocxref" href="#class--organization-person"><span class="secno">12. </span>Class: Organization/Person</a></li><li class="tocline"><a class="tocxref" href="#extending-the-dcat-vocabulary"><span class="secno">13. </span>Extending the DCAT vocabulary</a></li><li class="tocline"><a class="tocxref" href="#references"><span class="secno">A. </span>References</a><ul class="toc"><li class="tocline"><a class="tocxref" href="#normative-references"><span class="secno">A.1 </span>Normative references</a></li><li class="tocline"><a class="tocxref" href="#informative-references"><span class="secno">A.2 </span>Informative references</a></li></ul></li></ul></div>
+
+ <p>
+ This document was published by the <a href="http://www.w3.org/2011/gld/">Government Linked Data Working Group</a> as a Last Call Working Draft.
+
+ 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-gld-comments@w3.org">public-gld-comments@w3.org</a>
+ (<a href="mailto:public-gld-comments-request@w3.org?subject=subscribe">subscribe</a>,
+ <a href="http://lists.w3.org/Archives/Public/public-gld-comments/">archives</a>).
+
+ The Last Call period ends 08 April 2013.
+
+
+ All comments are welcome.
+
+
+ </p><p>
+ Publication as a Working Draft 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 is a Last Call Working Draft and thus the Working Group has determined that this document has satisfied the
+ relevant technical requirements and is sufficiently stable to advance through the Technical Recommendation process.
+ </p>
+
+ <p>
+
+ This document was produced by a group operating under the
+ <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/">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 href="" rel="disclosure">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">Table of Contents</h2><ul class="toc"><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#introduction" class="tocxref"><span class="secno">1. </span>Introduction</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#namespaces-1" class="tocxref"><span class="secno">2. </span>Namespaces</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#conformance" class="tocxref"><span class="secno">3. </span>Conformance</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#vocabulary-overview" class="tocxref"><span class="secno">4. </span>Vocabulary Overview</a><ul class="toc"><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#basic-example" class="tocxref"><span class="secno">4.1 </span>Basic Example</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#classifying-datasets" class="tocxref"><span class="secno">4.2 </span>Classifying datasets</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#describing-catalog-records-metadata" class="tocxref"><span class="secno">4.3 </span>Describing catalog records metadata</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#a-dataset-available-only-behind-some-web-page" class="tocxref"><span class="secno">4.4 </span>A dataset available only behind some Web page</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#a-dataset-available-as-download-and-behind-some-web-page" class="tocxref"><span class="secno">4.5 </span>A dataset available as download and behind some Web page</a></li></ul></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#vocabulary-specification" class="tocxref"><span class="secno">5. </span>Vocabulary specification</a><ul class="toc"><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#class-catalog" class="tocxref"><span class="secno">5.1 </span>Class: Catalog</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#class-catalog-record" class="tocxref"><span class="secno">5.2 </span>Class: Catalog record</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#class-dataset" class="tocxref"><span class="secno">5.3 </span>Class: Dataset</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#class-distribution" class="tocxref"><span class="secno">5.4 </span>Class: Distribution</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#class-category-and-category-scheme" class="tocxref"><span class="secno">5.5 </span>Class: Category and category scheme</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#class-organization-person" class="tocxref"><span class="secno">5.6 </span>Class: Organization/Person</a></li></ul></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#acknowledgements" class="tocxref"><span class="secno">A. </span>Acknowledgements</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#references" class="tocxref"><span class="secno">B. </span>References</a><ul class="toc"><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#normative-references" class="tocxref"><span class="secno">B.1 </span>Normative references</a></li><li class="tocline"><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#informative-references" class="tocxref"><span class="secno">B.2 </span>Informative references</a></li></ul></li></ul></section>
-<div id="introduction" class="informative section">
+<section class="informative" id="introduction">
<!--OddPage--><h2 id="intro"><span class="secno">1. </span>Introduction</h2><p><em>This section is non-normative.</em></p>
+<p>Data can come in many formats, ranging from spreadsheets over XML and RDF to various speciality formats. DCAT does not make any assumptions about the format of the datasets described in a catalog. Other, complementary vocabularies may be used together with DCAT to provide more detailed format-specific information. For example, properties from the VoID vocabulary [<cite><a class="bibref" href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#bib-VOID">VOID</a></cite>] can be used to express various statistics about a DCAT-described dataset if that dataset is in RDF format.</p>
<p>This document does not prescribe any particular method of deploying data expressed in DCAT. DCAT is applicable in many contexts including RDF accessible via SPARQL endpoints, embedded in HTML pages as RDFa, or serialized as e.g. RDF/XML or Turtle. The examples in this document use Turtle simply because of Turtle's readability.</p>
-</div>
+</section>
-<div class="section" id="conformance"><!--OddPage--><h2><span class="secno">2. </span>Conformance</h2><p>As well as sections marked as non-normative, all authoring guidelines, diagrams, examples, and notes in this specification are non-normative. Everything else in this specification is normative.</p>
-<p>The key words <em title="must" class="rfc2119">must</em>, <em title="must not" class="rfc2119">must not</em>, <em title="required" class="rfc2119">required</em>, <em title="should" class="rfc2119">should</em>, <em title="should not" class="rfc2119">should not</em>, <em title="recommended" class="rfc2119">recommended</em>, <em title="may" class="rfc2119">may</em>, and <em title="optional" class="rfc2119">optional</em> in this specification are to be interpreted as described in [<cite><a href="#bib-RFC2119" rel="biblioentry" class="bibref">RFC2119</a></cite>].</p>
-
-<ul>
-<li><i>DCAT compliance</i> means that a provider uses a subset of the DCAT vocabulary when publishing catalog and dataset metadata. This is likely to be the common case.</li>
-<li><i>DCAT conformance</i> means that a provider uses the entire DCAT vocabulary when publishing catalog and dataset metadata.</li>
-</ul>
-</div>
-<div class="section" id="namespaces-1">
-<!--OddPage--><h2 id="ns"><span class="secno">3. </span>Namespaces</h2>
+<section id="namespaces-1">
+<!--OddPage--><h2 id="ns"><span class="secno">2. </span>Namespaces</h2>
<p>The namespace for DCAT is <code>http://www.w3.org/ns/dcat#</code>. However,
it should be noted that DCAT makes extensive use of terms from other vocabularies,
in particular <a href="http://dublincore.org/documents/dcmi-terms/">Dublin Core</a>. DCAT itself defines a minimal set of classes and
@@ -558,121 +318,280 @@
<thead><tr><th>Prefix</th><th>Namespace</th></tr></thead>
<tbody>
<tr><td>dcat</td><td>http://www.w3.org/ns/dcat#</td></tr>
- <tr><td>dcterms</td><td>http://purl.org/can never remember</td></tr>
- <tr><td>foaf </td><td>http://xmlns.com/foaf/0.1/</td></tr>
+ <tr><td>dct</td><td>http://purl.org/dc/terms/</td></tr>
+ <tr><td>dctype</td><td>http://purl.org/dc/dcmitype/</td></tr>
+ <tr><td>foaf</td><td>http://xmlns.com/foaf/0.1/</td></tr>
+ <tr><td>rdf</td><td>http://www.w3.org/1999/02/22-rdf-syntax-ns#</td></tr>
+ <tr><td>rdfs</td><td>http://www.w3.org/2000/01/rdf-schema#</td></tr>
+ <tr><td>skos</td><td>http://www.w3.org/2004/02/skos/core#</td></tr>
+ <tr><td>xsd</td><td>http://www.w3.org/2001/XMLSchema#</td></tr>
</tbody>
</table>
-</div>
+</section>
-<div id="vocabulary-overview" class="informative section">
+<section id="conformance"><!--OddPage--><h2><span class="secno">3. </span>Conformance</h2>
+<p>
+ As well as sections marked as non-normative, all authoring guidelines, diagrams, examples,
+ and notes in this specification are non-normative. Everything else in this specification is
+ normative.
+</p>
+<p>
+ The key words <em class="rfc2119" title="must">must</em>, <em class="rfc2119" title="must not">must not</em>, <em class="rfc2119" title="required">required</em>, <em class="rfc2119" title="should">should</em>, <em class="rfc2119" title="should not">should not</em>, <em class="rfc2119" title="recommended">recommended</em>, <em class="rfc2119" title="may">may</em>,
+ and <em class="rfc2119" title="optional">optional</em> in this specification are to be interpreted as described in [<cite><a class="bibref" href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#bib-RFC2119">RFC2119</a></cite>].
+</p>
+
+A data catalog conforms to DCAT if:
+<ul>
+<li> It is organized into datasets and distributions.</li>
+
+<li> An RDF description of the catalog itself and its datasets and distributions is available (but the choice of
+RDF syntaxes, access protocols, and access policies is not mandated by this specification).</li>
+
+<li> The contents of all metadata fields that are held in the catalog, and that contain data about the catalog itself and its dataset and distributions, are included in this RDF description, expressed using the appropriate classes and properties from DCAT, except where no such class or property exists.</li>
+
+<li> All classes and properties defined in DCAT are used in a way consistent with the semantics declared in this specification.</li>
+
+<li>DCAT-compliant catalogs <em class="rfc2119" title="may">may</em> include additional non-DCAT metadata fields and additional RDF data in the catalog's RDF description.</li>
+</ul>
+
+A <strong>DCAT profile</strong> is a specification for data catalogs that adds additional constraints to DCAT. A data catalog that conforms to the profile also conforms to DCAT. Additional constraints in a profile <em class="rfc2119" title="may">may</em> include:
+<ul>
+<li> A minimum set of required metadata fields </li>
+<li> Classes and properties for additional metadata fields not covered in DCAT</li>
+<li> Controlled vocabularies or URI sets as acceptable values for properties</li>
+<li> Requirements for specific access mechanisms (RDF syntaxes, protocols) to the catalog's RDF description</li>
+</ul>
+
+</section>
+
+<section class="informative" id="vocabulary-overview">
<!--OddPage--><h2 id="overview"><span class="secno">4. </span>Vocabulary Overview</h2><p><em>This section is non-normative.</em></p>
-<p>DCAT is an RDF vocabulary well-suited to representing government data catalogs such as <a href="http://Data.gov">Data.gov</a> and <a href="http://data.gov.uk">data.gov.uk</a>. DCAT defines three main classes:</p>
-<ul><li> dcat:Catalog represents the catalog
-</li><li> dcat:Dataset represents a dataset in a catalog
-</li><li> dcat:Distribution represents an accessible form of a dataset as for example a downloadable file, an RSS feed or a web service that provides the data.
+<p>DCAT is an RDF vocabulary well-suited to representing government data catalogs such as <a href="http://data.gov/">Data.gov</a> and <a href="http://data.gov.uk/">data.gov.uk</a>. DCAT defines three main classes:</p>
+<ul><li> <code><a>dcat:Catalog</a></code> represents the catalog
+</li><li> <code><a>dcat:Dataset</a></code> represents a dataset in a catalog
+</li><li> <code><a>dcat:Distribution</a></code> represents an accessible form of a dataset as for example a downloadable file, an RSS feed or a web service that provides the data.
</li></ul>
<p>Another important class in DCAT is dcat:CatalogRecord which describes a dataset entry in the catalog. Notice that while dcat:Dataset represents the dataset itself, dcat:CatalogRecord represents the record that describes a dataset in the catalog. The use of the CatalogRecord is considered optional. It is used to capture provenance information about dataset entries in a catalog. If this distinction is not necessary then CatalogRecord can be safely ignored.</p>
-<p>@@Fadi:I will update the figure once the list of properties are listed</p>
-<p><img alt="UML model of DCAT classes and properties" src="dcat-model.jpg"></p>
-<h2 id="example">Example</h2>
-<p>This example provides a quick overview of how dcat might be used to represent a government catalog and its datasets. </p>
-
-<p>@@@ TODO.jse: Illustrate more clearly how these "examples" might appear "in the wild." Esp. the use of skos:Concept (etc) in RDFa... @@@</p>
+<p><img alt="UML model of DCAT classes and properties" src="./static_files/dcat-model.jpg"></p>
+<p>All RDF examples in this document are written in Turtle syntax [<cite><a class="bibref" href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#bib-TURTLE-TR">TURTLE-TR</a></cite>].</p>
+<section id="basic-example">
+<h3 id="example"><span class="secno">4.1 </span>Basic Example</h3><p><em>This section is non-normative.</em></p>
+<p>This example provides a quick overview of how DCAT might be used to represent a government catalog and its datasets. </p>
<p>First, the catalog description:
</p>
<pre> :catalog
a dcat:Catalog ;
- dct:title "Imaginary catalog" ;
- rdfs:label "Imaginary catalog" ;
- foaf:homepage <<a href="http://example.org/catalog" class="external free" title="http://example.org/catalog" rel="nofollow">http://example.org/catalog</a>> ;
+ dct:title "Imaginary Catalog" ;
+ rdfs:label "Imaginary Catalog" ;
+ foaf:homepage <http://example.org/catalog> ;
dct:publisher :transparency-office ;
- dcat:themes :themes ;
- dct:language "en"^^xsd:language ;
- dcat:dataset :dataset/001 ;
+ dct:language <http://id.loc.gov/vocabulary/iso639-1/en> ;
+ dcat:dataset :dataset-001 , :dataset-002 , :dataset-003 ;
.
</pre>
<p>The publisher of the catalog has the relative URI :transparency-office. Further description of the publisher can be provided as in the following example:
</p>
<pre> :transparency-office
- a foaf:Agent ;
+ a foaf:Organization ;
rdfs:label "Transparency Office" ;
.
</pre>
-<p>The catalog classify its datasets according to a set of domains represented by the relative URI :themes. SKOS can be used to describe the domains used:
+<p>The catalog lists each of its datasets via dcat:dataset property. In the example above, an example dataset was mentioned with the relative URI :dataset-001. A possible description of it using DCAT is shown below:
</p>
+<pre> :dataset-001
+ a dcat:Dataset ;
+ dct:title "Imaginary dataset" ;
+ dcat:keyword "accountability","transparency" ,"payments" ;
+ dct:issued "2011-12-05"^^xsd:date ;
+ dct:modified "2011-12-05"^^xsd:date ;
+ dct:publisher :finance-ministry ;
+ dct:language <http://id.loc.gov/vocabulary/iso639-1/en> ;
+ dcat:distribution :dataset-001-csv ;
+ .
+</pre>
+
+
+<p>The dataset distribution :dataset-001-csv can be downloaded as a 5Kb CSV file. This information is
+represented via an RDF resource of type dcat:Distribution.
+</p>
+<pre> :dataset-001-csv
+ a dcat:Distribution ;
+ dcat:downloadURL <http://www.example.org/files/001.csv> ;
+ dct:title "CSV distribution of imaginary dataset 001" ;
+ dcat:mediaType "text/csv" ;
+ dcat:byteSize "5120"^^xsd:decimal ;
+ .
+</pre>
+</section>
+
+<section id="classifying-datasets">
+<h3 id="example-classification"><span class="secno">4.2 </span>Classifying datasets</h3>
+<p>The catalog classifies its datasets according to a set of domains represented by the relative URI :themes. SKOS can be used to describe the domains used:
+</p>
+<pre> :catalog dcat:themeTaxonomy :themes .
+</pre>
+
<pre> :themes
a skos:ConceptScheme ;
skos:prefLabel "A set of domains to classify documents" ;
- .
-</pre>
-<p>The catalog connect to each of its datasets via dcat:dataset. In the example above, an example dataset was mentioned with the relative URI :dataset/001. A possible description of it using dcat is shown below:
-</p>
-<pre> :dataset/001
- a dcat:Dataset ;
- dct:title "Imaginary dataset" ;
- dcat:keyword "accountability","transparency" ,"payments" ;
- dcat:theme :themes/accountability ;
- dct:issued "2011-12-05"^^xsd:date ;
- dct:updated "2011-12-05"^^xsd:date ;
- dct:publisher :agency/finance-ministry ;
- dct:accrualPeriodicity "every six months" ;
- dct:language "en"^^xsd:language ;
- dcat:Distribution :dataset/001/csv ;
.
</pre>
-<p>Notice that this dataset is classified under the domain represented by the relative URI :themes/accountability. This should be part of the domains set identified by the URI :themes that was used to describe the catalog domains. An example SKOS description
-</p>
-<pre> :themes/accountability
- a skos:Concept ;
- skos:inScheme :themes ;
- skos:prefLabel "Accountability" ;
- .
+
+<pre> :dataset-001 dcat:theme :accountability .
</pre>
-<p>The dataset can be downloaded in CSV format via the distribution represented by :dataset/001/csv.
+<p>Notice that this dataset is classified under the domain represented by the relative URI :accountability. This should be part of the concepts scheme identified by the URI :themes that was used to describe the catalog domains. An example SKOS description
</p>
-<pre> :dataset/001/csv
- a dcat:Distribution ;
- dcat:accessURL <<a href="http://www.example.org/files/001.csv" class="external free" title="http://www.example.org/files/001.csv" rel="nofollow">http://www.example.org/files/001.csv</a>> ;
- dct:title "CSV distribution of imaginary dataset 001" ;
- dct:format [
- a dct:IMT;
- rdf:value "text/csv";
- rdfs:label "CSV"
- ]
+<pre> :accountability
+ a skos:Concept ;
+ skos:inScheme :themes ;
+ skos:prefLabel "Accountability" ;
.
</pre>
-<p>Finally, if the catalog publisher decides to keep metadata describing its records (i.e. the records containing metadata describing the datasets) dcat:CatalogRecord can be used. For example, :dataset/001 was issued on 2011-12-05. however, its description on Imaginary Catalog was added on 2011-12-11. This can be represented by dcat:
+</section>
+
+<section id="describing-catalog-records-metadata">
+<h3 id="example-catalog-record"><span class="secno">4.3 </span>Describing catalog records metadata</h3>
+<p>If the catalog publisher decides to keep metadata
+describing its records (i.e. the records containing metadata
+describing the datasets), dcat:CatalogRecord can be used. For example,
+while :dataset-001 was issued on 2011-12-05, its description on Imaginary Catalog was added on 2011-12-11. This can be represented by DCAT as in the following:
</p>
-<pre> :record/001
+<pre> :catalog dcat:record :record-001 .
+</pre>
+
+<pre> :record-001
a dcat:CatalogRecord ;
- foaf:primaryTopic :dataset/001 ;
+ foaf:primaryTopic :dataset-001 ;
dct:issued "2011-12-11"^^xsd:date ;
- .
- :catalog
- dcat:record :record/001 ;
- .
+ .
</pre>
-<a name="Encoding_of_property_values" id="Encoding_of_property_values"></a><h2 id="encoding-of-property-values"> <span class="mw-headline"> Encoding of property values </span></h2>
-<ul><li> Values like "unknown" or "unspecified" should never be used, and if present in the original database should be filtered for publishing. Instead, the property should simply be omitted.
-</li><li> @@@ policy for using resources vs. literals
-</li></ul>
-</div>
+</section>
-<div class="section" id="class--catalog">
-<!--OddPage--><h2 id="Class:_Catalog"><span class="secno">5. </span>Class: Catalog</h2>
+<section id="a-dataset-available-only-behind-some-web-page">
+<h3 id="example-landing-page"><span class="secno">4.4 </span>A dataset available only behind some Web page</h3>
+<p>:dataset-002 is available as a CSV file. However :dataset-002 can only be obtained through some Web page
+where the user needs to click some links, provide some information and check some boxes
+before accessing the data</p>
+
+<pre> :dataset-002
+ a dcat:Dataset ;
+ dcat:landingPage <http://example.org/dataset-002.html> ;
+ dcat:distribution :dataset-002-csv ;
+ .
+ :dataset-002-csv
+ a dcat:Distribution ;
+ dcat:accessURL <http://example.org/dataset-002.html> ;
+ dcat:mediaType "text/csv" ;
+ .
+</pre>
+
+Notice the use of dcat:landingPage and the definition of the dcat:Distribution instance.
+</section>
+
+<section id="a-dataset-available-as-download-and-behind-some-web-page">
+<h3 id="example-landing-page-download"><span class="secno">4.5 </span>A dataset available as download and behind some Web page</h3>
+<p>On the other hand, :dataset-003 can be obtained through some landing page but also can be downloaded from a known URL.
+</p>
+<pre> :dataset-003
+ a dcat:Dataset ;
+ dcat:landingPage <http://example.org/dataset-003.html> ;
+ dcat:distribution :dataset-003-csv ;
+ .
+ :dataset-003-csv
+ a dcat:Distribution ;
+ dcat:downloadURL <http://example.org/dataset-003.csv> .
+ dcat:mediaType "text/csv" ;
+ .
+</pre>
+Notice that we used dcat:downloadURL with the downloadable distribution and that the other distribution through the landing page
+does not have to be defined as a spearate dcat:Distribution instance.
+</section>
+
+</section>
+
+<section id="vocabulary-specification">
+<!--OddPage--><h2 id="vocab-spec"><span class="secno">5. </span>Vocabulary specification</h2>
+
+<section id="class-catalog">
+<h3 id="Class:_Catalog"><span class="secno">5.1 </span>Class: Catalog</h3>
<p>A data catalog is a curated collection of metadata about datasets.</p>
<table class="definition">
<thead><tr><th>RDF class:</th><th><a href="http://www.w3.org/ns/dcat#Catalog">dcat:Catalog</a></th></tr></thead>
<tbody>
<tr><td class="prop">Usage note:</td><td>Typically, a web-based data catalog is represented as a single instance of this class.</td></tr>
- <tr><td class="prop">See also:</td><td> <a href="#Class:_Catalog_record">Catalog record</a>, <a href="#Class:_Dataset">Dataset</a></td></tr>
+ <tr><td class="prop">See also:</td><td> <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Class:_Catalog_record">Catalog record</a>, <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Class:_Dataset">Dataset</a></td></tr>
</tbody>
</table>
-<div class="section" id="property--homepage">
-<h3 id="Property:_homepage"><span class="secno">5.1 </span>Property: homepage</h3>
+<section>
+<h4 id="Property:catalog_title">Property: title</h4>
+<p>A name given to the catalog.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/title">dct:title</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:catalog_description">Property: description</h4>
+<p>free-text account of the catalog.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/description">dct:description</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:catalog_release_date">Property: release date</h4>
+<p>Date of formal issuance (e.g., publication) of the catalog.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/issued">dct:issued</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_release_date" title=""> dataset release date</a>, <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:record_release_date" title=""> catalog record listing date</a> and <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_release_date" title=""> distribution release date</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:catalog_update_date">Property: update/modification date</h4>
+<p>Most recent date on which the catalog was changed, updated or modified.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/modified">dct:modified</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_update_date" title=""> dataset modification date</a>, <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:record_update_date" title=""> catalog record modification date</a> and <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_update_date" title=""> distribution modification date</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:catalog_language">Property: language</h4>
+<p>The language of the catalog. This refers to the language used in the textual metadata describing titles, descriptions, etc. of the datasets in the catalog.</p>
+
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/language">dct:language</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td>
+ <a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a>
+ <br>
+ Resources defined by the Library of Congress (<a href="http://id.loc.gov/vocabulary/iso639-1.html">1</a>,
+ <a href="http://id.loc.gov/vocabulary/iso639-2.html">2</a>) <em class="rfc2119" title="should">should</em> be used.
+ <br>
+If a ISO 639-1 (two-letter) code is defined for language, then its corresponding IRI <em class="rfc2119" title="should">should</em> be used; if no ISO 639-1 code is defined, then IRI corresponding to the ISO 639-2 (three-letter) code <em class="rfc2119" title="should">should</em> be used.</td></tr>
+ <tr><td class="prop">Usage note:</td><td>Multiple values can be used. The publisher might also choose to describe the language on the dataset level (see <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_language">dataset language</a>).</td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:catalog_homepage">Property: homepage</h4>
<p>The homepage of the catalog.</p>
<table class="definition">
@@ -682,34 +601,36 @@
<tr><td class="prop">Usage note:</td><td><a href="http://xmlns.com/foaf/0.1/homepage">foaf:homepage</a> is an inverse functional property (IFP) which means that it should be unique and precisely identify the catalog. This allows smushing various descriptions of the catalog when different URIs are used.</td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--publisher">
-<h3 id="Property:_publisher"><span class="secno">5.2 </span>Property: publisher</h3>
+<section>
+<h4 id="Property:catalog_publisher">Property: publisher</h4>
<p>The entity responsible for making the catalog online.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/publisher">dcterms:publisher</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/publisher">dct:publisher</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Agent">foaf:Agent</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td>Resources of type <a href="http://xmlns.com/foaf/0.1/Agent">foaf:Agent</a>
+ are recommended as values for this property.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Class:_Organization.2FPerson">Class: Organization/Person</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--spatial-geographic-coverage">
-<h3 id="Property:_spatial.2Fgeographic_coverage"><span class="secno">5.3 </span>Property: spatial/geographic coverage></h3>
+<section>
+<h4 id="Property:catalog_spatial">Property: spatial/geographic </h4>
<p>The geographical area covered by the catalog.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/spatial">dcterms:spatial</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/spatial">dct:spatial</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/Location">dcterms:Location</a> (Spatial region or named place)</td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/Location">dct:Location</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--themes">
-<h3 id="Property:_themes"><span class="secno">5.4 </span>Property: themes</h3>
+<section>
+<h4 id="Property:catalog_themes">Property: themes</h4>
<p>The knowledge organization system (KOS) used to classify catalog's datasets.</p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#themeTaxonomy">dcat:themeTaxonomy</a></th></tr></thead>
@@ -717,350 +638,284 @@
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#ConceptScheme">skos:ConceptScheme</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--title">
-<h3 id="Property:_title"><span class="secno">5.5 </span>Property: title</h3>
-<p>A name given to the catalog.</p>
+<section>
+<h4 id="Property:catalog_license">Property: license</h4>
+<p>This describes the license under which the <strong>catalog</strong> can be used/reused and <strong>not the datasets</strong>.
+Even if the license of the catalog applies to all of its datasets and distributions, it should be replicated on each distribution.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/title">dcterms:title</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/license">dct:license</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--description">
-<h3 id="Property:_description"><span class="secno">5.6 </span>Property: description</h3>
-<p>free-text account of the catalog.</p>
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/description">dcterms:description</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/dcmitype/LicenseDocument">dctype:LicenseDocument</a></td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_license">distribution license</a></td></tr>
</tbody>
</table>
-</div>
-
-<div class="section" id="property--language">
-<h3 id="Property:_language"><span class="secno">5.7 </span>Property: language</h3>
-<p>The language of the catalog. This refers to the language used in the textual metadata describing titles, descriptions, etc. of the datasets in the catalog.</p>
-
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/language">dct:language</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> a string representing the code of the language as described in <a href="http://www.ietf.org/rfc/rfc3066.txt">http://www.ietf.org/rfc/rfc3066.txt</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>Multiple values can be used. The publisher might also choose to describe the language on the dataset level (see <a href="#">dataset language</a>).</td></tr>
- </tbody>
-</table>
-</div>
+</section>
-<div class="section" id="property--license">
-<h3 id="Property:_license"><span class="secno">5.8 </span>Property: license</h3>
-<p>This describes the license under which the <strong>catalog</strong> can be used/reused and <strong>not the datasets</strong>. Even if the license of the catalog applies to all of its datasets it should be replicated on each dataset.</p>
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/license">dcterms:license</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/dcmitype/LicenseDocument">dctype:LicenseDocument</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>To allow automatic analysis of datasets, it is important to use canonical identifiers for well-known licenses, see @@@void guide@@@ for a list.</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#" title="">dataset license</a></td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--dataset">
-<h3 id="Property:_dataset"><span class="secno">5.9 </span>Property: dataset</h3>
+<section>
+<h4 id="Property:catalog_dataset">Property: dataset</h4>
<p>A dataset that is part of the catalog.</p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#dataset">dcat:dataset</a></th></tr></thead>
<tbody>
+ <tr><td class="prop">Domain:</td><td><a href="http://www.w3.org/ns/dcat#Catalog">dcat:Catalog</a></td></tr>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/dcat#Dataset">dcat:Dataset</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--catalog-record">
-<h3 id="Property:_catalog_record"><span class="secno">5.10 </span>Property: catalog record</h3>
+<section>
+<h4 id="Property:catalog_catalog_record">Property: catalog record</h4>
<p>A catalog record that is part of the catalog.</p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#record">dcat:record</a></th></tr></thead>
<tbody>
+ <tr><td class="prop">Domain:</td><td><a href="http://www.w3.org/ns/dcat#Catalog">dcat:Catalog</a></td></tr>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/dcat#CatalogRecord">dcat:CatalogRecord</a></td></tr>
</tbody>
</table>
-</div>
-</div> <!-- end Class:Catalog -->
+</section>
+</section> <!-- end Class:Catalog -->
-<div class="section" id="class--catalog-record">
-<!--OddPage--><h2 id="Class:_Catalog_record"><span class="secno">6. </span>Class: Catalog record</h2>
+<section id="class-catalog-record">
+<h3 id="Class:_Catalog_record"><span class="secno">5.2 </span>Class: Catalog record</h3>
<p>A record in a data catalog, describing a single dataset.</p>
<table class="definition">
<thead><tr><th>RDF Class:</th><th><a href="http://www.w3.org/ns/dcat#CatalogRecord">dcat:CatalogRecord</a></th></tr></thead>
<tbody>
<tr><td class="prop">Usage note</td><td>This class is optional and not all catalogs will use it. It exists for catalogs where a distinction is made between metadata about a <em>dataset</em> and metadata about the <em>dataset's entry in the catalog</em>. For example, the <i>publication date</i> property of the <i>dataset</i> reflects the date when the information was originally made available by the publishing agency, while the publication date of the <i>catalog record</i> is the date when the dataset was added to the catalog. In cases where both dates differ, or where only the latter is known, the <em>publication date</em> should only be specified for the catalog record.</td></tr>
- <tr><td class="prop">See also</td><td><a href="#Class:_Dataset">Dataset</a></td></tr>
+ <tr><td class="prop">See also</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Class:_Dataset">Dataset</a></td></tr>
</tbody>
</table>
-<p>In web-based catalogs, the URL of the catalog page should be used as URI for the catalog record <em>if it is a permalink</em>.</p>
-<p>If named graphs are used, all RDF triples describing the catalog record, the dataset, and its distributions, should go into a graph named with the catalog record's URI.</p>
+<p>If a catalog is represented as an RDF Dataset with named graphs (as defined in [<cite><a class="bibref" href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#bib-SPARQL-QUERY-11">SPARQL-QUERY-11</a></cite>]),
+then it is appropriate to place the description of each dataset
+(consisting of all RDF triples that mention the dcat:Dataset, dcat:CatalogRecord, and any of its dcat:Distributions)
+into a separate named graph. The name of that graph should be the IRI of the catalog record.
+</p>
-<div class="section" id="property--listing-date">
-<h3 id="Property:_listing_date"><span class="secno">6.1 </span>Property: listing date</h3>
+<section>
+<h4 id="Property:record_title">Property: title</h4>
+<p>A name given to the record.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/title">dct:title</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:record_description">Property: description</h4>
+<p>free-text account of the record.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/description">dct:description</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:record_release_date">Property: listing date</h4>
<p>The date of listing the corresponding dataset in the catalog.</p>
-
-<p class="issue">See <a href="https://www.w3.org/2011/gld/track/issues/3">Issue-3</a></p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/issued">dcterms:issued</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/issued">dct:issued</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
<tr><td class="prop">Usage note:</td><td>This indicates the date of listing the dataset in the catalog and not the publication date of the dataset itself.</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Property:_release_date" title=""> dataset release date</a></td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_release_date" title=""> dataset release date</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--update-modification-date">
-<h3 id="Property:_update.2Fmodification_date"><span class="secno">6.2 </span>Property: update/modification date</h3>
+<section>
+<h4 id="Property:record_update_date">Property: update/modification date</h4>
<p>Most recent date on which the catalog entry was changed, updated or modified.</p>
-<p class="issue">See <a href="https://www.w3.org/2011/gld/track/issues/3">Issue-3</a></p>
-
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/modified">dcterms:modified</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/modified">dct:modified</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
<tr><td class="prop">Usage note:</td><td>This indicates the date of last change of a catalog entry, i.e. the catalog metadata description of the dataset, and not the date of the dataset itself.</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#" title=""> dataset modification date</a></td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_update_date" title=""> dataset modification date</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--dataset-1">
-<h3 id="Property:_dataset_2"><span class="secno">6.3 </span>Property: dataset</h3>
+<section>
+<h4 id="Property:record_primarytopic">Property: primary topic</h4>
<p>Links the catalog record to the dcat:Dataset resource described in the record.</p>
-<p class="issue">See <a href="https://www.w3.org/2011/gld/track/issues/4">Issue-4</a></p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://xmlns.com/foaf/0.1/primaryTopic">foaf:primaryTopic</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/dcat#Dataset">dcat:Dataset</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td><a href="http://xmlns.com/foaf/0.1/primaryTopic">foaf:primaryTopic</a> property is functional:
+ each catalog record can have at most one primary topic i.e. describes one dataset.</td></tr>
</tbody>
</table>
-</div>
-</div> <!-- end Class catalog record -->
+</section>
+</section> <!-- end Class catalog record -->
-<div class="section" id="class--dataset">
-<!--OddPage--><h2 id="Class:_Dataset"><span class="secno">7. </span>Class: Dataset</h2>
+<section id="class-dataset">
+<h3 id="Class:_Dataset"><span class="secno">5.3 </span>Class: Dataset</h3>
<p>A collection of data, published or curated by a single source, and available for access or download in one or more formats.</p>
<table class="definition">
<thead><tr><th>RDF Class:</th><th><a href="http://www.w3.org/ns/dcat#Dataset">dcat:Dataset</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Usage note:</td><td>This class represents the actual dataset as published by the dataset publisher. In cases where a distinction between the actual dataset and its entry in the catalog is necessary (because metadata such as modification date and maintainer might differ), the <i><a href="#Class:_Catalog_record">catalog record</a></i> class can be used for the latter.</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Class:_Catalog_record" title="">Catalog record</a></td></tr>
+ <tr><td class="prop">Sub class of:</td><td><a href="http://purl.org/dc/dcmitype/Dataset">dctype:Dataset</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td>This class represents the actual dataset as published by the dataset publisher. In cases where a distinction between the actual dataset and its entry in the catalog is necessary (because metadata such as modification date and maintainer might differ), the <i><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Class:_Catalog_record">catalog record</a></i> class can be used for the latter.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Class:_Catalog_record" title="">Catalog record</a></td></tr>
</tbody>
</table>
-<div class="section" id="property--update-modification-date-1">
-<h3 id="Property:_update.2Fmodification_date_2"><span class="secno">7.1 </span>Property: update/modification date</h3>
-<p>Most recent date on which the dataset was changed, updated or modified.</p>
-<p class="issue">See <a href="https://www.w3.org/2011/gld/track/issues/3">Issue-3</a></p>
-
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/modified">dcterms:modified</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
- <tr><td class="prop">Usage note:</td><td>The value of this property indicates a change to the actual dataset, not a change to the catalog record. An absent value may indicate that the dataset has never changed after its initial publication, or that the date of last modification is not known, or that the dataset is continuously updated. <b>Example:</b> 2010-05-07</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Property:_frequency">frequency</a></td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--title-1">
-<h3 id="Property:_title_2"><span class="secno">7.2 </span>Property: title</h3>
+<section>
+<h4 id="Property:dataset_title">Property: title</h4>
<p>A name given to the dataset.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/title">dcterms:title</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--description-1">
-<h3 id="Property:_description_2"><span class="secno">7.3 </span>Property: description</h3>
-<p>free-text account of the dataset.</p>
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/description">dcterms:description</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/title">dct:title</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
</tbody>
</table>
-</div>
-
-<div class="section" id="property--publisher-1">
-<h3 id="Property:_publisher_2"><span class="secno">7.4 </span>Property: publisher</h3>
-<p>An entity responsible for making the dataset available.</p>
-<p class="issue">See <a href="https://www.w3.org/2011/gld/track/issues/4">Issue-4</a></p>
-
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/publisher">dcterms:publisher</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Organization">foaf:Organization</a></td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Class:_Organization.2FPerson" title="">Class: Organization/Person</a></td></tr>
- </tbody>
-</table>
-</div>
+</section>
-<div class="section" id="property--release-date">
-<h3 id="Property:_release_date"><span class="secno">7.5 </span>Property: release date</h3>
-<p>Date of formal issuance (e.g., publication) of the dataset.</p>
-<p class="issue">See <a href="https://www.w3.org/2011/gld/track/issues/3">Issue-3</a></p>
+<section>
+<h4 id="Property:dataset_description">Property: description</h4>
+<p>free-text account of the dataset.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/issued">dcterms:issued</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/description">dct:description</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
- <tr><td class="prop">Usage note:</td><td>This property should be set using the first known date of issuance. <b>Example:</b> 2010-05-07</td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--frequency">
-<h3 id="Property:_frequency"><span class="secno">7.6 </span>Property: frequency</h3>
-<p>The frequency with which dataset is published.</p>
-<p class="issue">See <a href="https://www.w3.org/2011/gld/track/issues/5">Issue-5</a></p>
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/accrualPeriodicity">dcterms:accrualPeriodicity</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/Frequency">dcterms:Frequency</a> (A rate at which something recurs)</td></tr>
- <tr><td class="prop">Usage note:</td><td>@@@ values should come from a controlled vocabulary i.e. predefined set of resources. It could use values like <a href="http://www.placetime.com/interval/gregorian/">placetime.com intervals</a></td></tr>
- <tr><td class="prop">Domain:</td><td><a href="http://purl.org/dc/terms/Collection">dcterms:Collection</a> so, a Catalog must be a dcterms:Collection as well.</td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--identifier">
-<h3 id="Property:_identifier"><span class="secno">7.7 </span>Property: identifier</h3>
-<p>A unique identifier of the dataset.</p>
-
+<section>
+<h4 id="Property:dataset_release_date">Property: release date</h4>
+<p>Date of formal issuance (e.g., publication) of the dataset.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/identifier">dcterms:identifier</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/issued">dct:issued</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>The identifier might be used to coin permanent and unique URI for the dataset, but still having it represented explicitly is useful.</td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
+ <tr><td class="prop">Usage note:</td><td>This property should be set using the first known date of issuance.</td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--spatial-geographical-coverage">
-<h3 id="Property:_spatial.2Fgeographical_coverage"><span class="secno">7.8 </span>Property: spatial/geographical coverage</h3>
-<p>Spatial coverage of the dataset.</p>
-
+<section>
+<h4 id="Property:dataset_update_date">Property: update/modification date</h4>
+<p>Most recent date on which the dataset was changed, updated or modified.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/spatial">dcterms:spatial</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/modified">dct:modified</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/Location">dcterms:Location</a> (A spatial region or named place)</td></tr>
- <tr><td class="prop">Usage note:</td><td> @@@ controlled vocabulary. geonames???</td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
+ <tr><td class="prop">Usage note:</td><td>The value of this property indicates a change to the actual dataset, not a change to the catalog record. An absent value may indicate that the dataset has never changed after its initial publication, or that the date of last modification is not known, or that the dataset is continuously updated.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_frequency">frequency</a></td></tr>
</tbody>
</table>
-</div>
-
-<div class="section" id="property--temporal-coverage">
-<h3 id="Property:_temporal_coverage"><span class="secno">7.9 </span>Property: temporal coverage</h3>
-<p>@@@ The temporal period that the dataset covers.</p>
+</section>
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/temporal">dcterms:temporal</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/PeriodOfTime">dcterms:PeriodOfTime</a> (An interval of time that is named or defined by its start and end dates)</td></tr>
- <tr><td class="prop">Usage note:</td><td> @@@ controlled vocabulary. <a href="http://www.placetime.com/">http://www.placetime.com/</a> might be an option???</td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--language-1">
-<h3 id="Property:_language_2"><span class="secno">7.10 </span>Property: language</h3>
+<section>
+<h4 id="Property:dataset_language">Property: language</h4>
<p>The language of the dataset.</p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/language">dct:language</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> a string representing the code of the language as described in <a href="http://www.ietf.org/rfc/rfc3066.txt">http://www.ietf.org/rfc/rfc3066.txt</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>This overrides the value of the <a href="#Property:_language">catalog language</a> in case of conflict.</td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--license-1">
-<h3 id="Property:_license_2"><span class="secno">7.11 </span>Property: license</h3>
-<p>The license under which the dataset is published and can be reused.</p>
-
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/license">dcterms:license</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/dcmitype/LicenseDocument">dctype:LicenseDocument</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>See <a href="http://www.w3.org/TR/void/#license">Section 2.4 of Describing Linked Datasets with the VoID Vocabulary</a>.</td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--granularity">
-<h3 id="Property:_granularity"><span class="secno">7.12 </span>Property: granularity</h3>
-<p>describes the level of granularity of data. @@@ elaborate more@@@</p>
-
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#">dcat:granularity</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>This is usually geographical or temporal but can also be other dimension e.g. Person can be used to describe granularity of a dataset about average income.</td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a>
+ <br>
+ Resources defined by the Library of Congress (<a href="http://id.loc.gov/vocabulary/iso639-1.html">1</a>,
+ <a href="http://id.loc.gov/vocabulary/iso639-2.html">2</a>) <em class="rfc2119" title="should">should</em> be used.
+ <br>
+If a ISO 639-1 (two-letter) code is defined for language, then its corresponding IRI <em class="rfc2119" title="should">should</em> be used; if no ISO 639-1 code is defined, then IRI corresponding to the ISO 639-2 (three-letter) code <em class="rfc2119" title="should">should</em> be used.</td></tr>
+ <tr><td class="prop">Usage note:</td><td>This overrides the value of the <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:catalog_language">catalog language</a> in case of conflict.</td></tr>
</tbody>
</table>
-<p>A set of sample values used in data.gov: country, county, longitude/latitude, region, plane, airport.</p>
-</div>
+</section>
-<div class="section" id="property--data-dictionary">
-<h3 id="Property:_data_dictionary"><span class="secno">7.13 </span>Property: data dictionary</h3>
-<p>provides some sort of description that helps understanding the data. This usually consisits of a table providing explanation of columns meaning, values interpretation and acronyms/codes used in the data.</p>
-
+<section>
+<h4 id="Property:dataset_publisher">Property: publisher</h4>
+<p>An entity responsible for making the dataset available.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#dataDictionary">dcat:dataDictionary</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/publisher">dct:publisher</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>@@@ Review @@@ It is rarely provided in the current catalogs and does not have a consistent usage, however when it is provided it is a link to some document or embeded in a document packaged together with the dataset. It is recommended to represent it as a resource having the URL of the online document as its URI. Statistical datasets, as a particular yet common case, can have a more structured description and the on-progress work on <a href="http://groups.google.com/group/publishing-statistical-data">SDMX+RDF</a> can be utilized here.</td></tr>
+ <tr><td class="prop">Usage note:</td><td>Resources of type <a href="http://xmlns.com/foaf/0.1/Agent">foaf:Agent</a>
+ are recommended as values for this property.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Class:_Organization.2FPerson">Class: Organization/Person</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--data-quality">
-<h3 id="Property:_data_quality"><span class="secno">7.14 </span>Property: data quality</h3>
-<p>describes the quality of data.</p>
+<section>
+<h4 id="Property:dataset_frequency">Property: frequency</h4>
+<p>The frequency at which dataset is published.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/accrualPeriodicity">dct:accrualPeriodicity</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/Frequency">dct:Frequency</a> (A rate at which something recurs)</td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:dataset_identifier">Property: identifier</h4>
+<p>A unique identifier of the dataset.</p>
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#dataQuality">dcat:dataQuality</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/identifier">dct:identifier</a></th></tr></thead>
<tbody>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>@@@Review@@@ This is a very general property and it is not clear how exactly it will be used as catalogs currently do not use it or use it with meaningless values. Catalogs are expected to define more specific sub-properties to describe quality characteristics e.g. statistical data usually have a lot to describe about the quality of sampling, collection mode, non-response adjustment…</td></tr>
+ <tr><td class="prop">Usage note:</td><td>The identifier might be used as part of the URI of the dataset, but still having it represented explicitly is useful.</td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--theme-category">
-<h3 id="Property:_theme.2Fcategory"><span class="secno">7.15 </span>Property: theme/category</h3>
+<section>
+<h4 id="Property:dataset_spatial">Property: spatial/geographical coverage</h4>
+<p>Spatial coverage of the dataset.</p>
+
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/spatial">dct:spatial</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/Location">dct:Location</a> (A spatial region or named place)</td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:dataset_temporal">Property: temporal coverage</h4>
+<p>The temporal period that the dataset covers.</p>
+
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/temporal">dct:temporal</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/PeriodOfTime">dct:PeriodOfTime</a> (An interval of time that is named or defined by its start and end dates)</td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:dataset_theme">Property: theme/category</h4>
<p>The main category of the dataset. A dataset can have multiple themes.</p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#theme">dcat:theme</a></th></tr></thead>
<tbody>
+ <tr><td class="prop">Sub property of:</td><td><a href="http://purl.org/dc/terms/subject">dct:subject</a></td></tr>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></td></tr>
<tr><td class="prop">Usage note:</td><td>The set of <a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a>s used to categorize the datasets are organized in a <a href="http://www.w3.org/2004/02/skos/core#ConceptScheme">skos:ConceptScheme</a> describing all the categories and their relations in the catalog.</td></tr>
+ <tr><td>See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:catalog_themes">catalog themes taxonomy</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="property--keyword-tag">
-<h3 id="Property:_keyword.2Ftag"><span class="secno">7.16 </span>Property: keyword/tag</h3>
+<section>
+<h4 id="Property:dataset_keyword">Property: keyword/tag</h4>
<p>A keyword or tag describing the dataset.</p>
<table class="definition">
@@ -1069,152 +924,205 @@
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
</tbody>
</table>
-</div>
-
-<div class="section" id="property--related-documents">
-<h3 id="Property:_related_documents"><span class="secno">7.17 </span>Property: related documents</h3>
-<p>A related document such as technical documentation, agency program page, citation, etc.</p>
+</section>
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/references">dcterms:references</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td>Has no defined range</td></tr>
- <tr><td class="prop">Usage note:</td><td>The value is the URI of the related document.</td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--dataset-distribution">
-<h3 id="Property:_dataset_distribution"><span class="secno">7.18 </span>Property: dataset distribution</h3>
+<section>
+<h4 id="Property:dataset_distribution">Property: dataset distribution</h4>
<p>Connects a dataset to its available distributions.</p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#distribution">dcat:distribution</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/dcat#">dcat:Distribution</a></td></tr>
+ <tr><td class="prop">Domain:</td><td><a href="http://www.w3.org/ns/dcat#Dataset">dcat:Dataset</a></td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/ns/dcat#Distribution">dcat:Distribution</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="class--distribution">
-<h3 id="Class:_Distribution"><span class="secno">7.19 </span>Class: Distribution</h3>
-<p>Represents a specific available form of a dataset. Each dataset might be available in different forms, these forms might represent different formats of the dataset, different endpoints,... Examples of Distribution include a downloadable CSV file, an XLS file representing the dataset, an RSS feed…</p>
+<section>
+<h4 id="Property:dataset_landingpage">Property: landing page</h4>
+<p>A Web page that can be navigated to in a Web browser to gain access to the dataset, its distributions and/or additional information.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#landingPage">dcat:landingPage</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Sub property of:</td><td><a href="http://xmlns.com/foaf/0.1/page">foaf:page</a></td></tr>
+ <tr><td class="prop">Domain:</td><td><a href="http://www.w3.org/ns/dcat#Dataset">dcat:Dataset</a></td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://xmlns.com/foaf/0.1/Document">foaf:Document</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td>
+ If the distribution(s) are accessible only through a landing page
+ (i.e. direct download URLs are not known), then the landing page link <em class="rfc2119" title="should">should</em> be duplicated as accessURL on a distribution. (see <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#example-landing-page">example 4.4</a>)
+ </td></tr>
+ </tbody>
+</table>
+</section>
+</section> <!-- end class Dataset -->
+
+<section id="class-distribution">
+<h3 id="Class:_Distribution"><span class="secno">5.4 </span>Class: Distribution</h3>
+<p>Represents a specific available form of a dataset. Each dataset might be available in different forms,
+these forms might represent different formats of the dataset or different endpoints.
+Examples of distributions include a downloadable CSV file, an API or an RSS feed</p>
+
<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#Distribution">dcat:Distribution</a></th></tr></thead>
+ <thead><tr><th>RDF class:</th><th><a href="http://www.w3.org/ns/dcat#Distribution">dcat:Distribution</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td>Has no defined range</td></tr>
- <tr><td class="prop">Usage note:</td><td>This represents a general availability of a dataset it implies no information about the actual access method of the data, i.e. whether it is a direct download, API, or a splash page. Use one of its subclasses when the particular access method is known.</td></tr>
- <tr><td class="prop">See also</td><td><a href="#Class:_Download">Download</a>, <a href="#Class:_WebService">WebService</a>, <a href="#Class:_Feed">Feed</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td>This represents a general availability of a dataset it implies no information
+ about the actual access method of the data, i.e. whether it is a direct download, API, or some through Web page.
+ The use of <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_downloadurl">dcat:downloadURL</a> property indicates directly downloadable distributions.</td></tr>
</tbody>
</table>
-</div>
+
+<section>
+<h4 id="Property:distribution_title">Property: title</h4>
+<p>A name given to the distribution.</p>
+
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/title">dct:title</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:distribution_description">Property: description</h4>
+<p>free-text account of the distribution.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/description">dct:description</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:distribution_release_date">Property: release date</h4>
+<p>Date of formal issuance (e.g., publication) of the distribution.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/issued">dct:issued</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
+ <tr><td class="prop">Usage note:</td><td>This property should be set using the first known date of issuance.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_release_date" title=""> dataset release date</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:distribution_update_date">Property: update/modification date</h4>
+<p>Most recent date on which the distribution was changed, updated or modified.</p>
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/modified">dct:modified</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#date">xsd:date</a>. The date is encoded as a literal in "YYYY-MM-DD" form (<a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601 Date and Time Formats</a>). If the specific day or month are not known, then 01 should be specified.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_update_date" title=""> dataset modification date</a></td></tr>
+ </tbody>
+</table>
+</section>
+
+<section>
+<h4 id="Property:distribution_license">Property: license</h4>
+<p>The license under which the distribution is made available.</p>
+
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/license">dct:license</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/dcmitype/LicenseDocument">dctype:LicenseDocument</a></td></tr>
+ </tbody>
+</table>
+</section>
-<div class="section" id="property--access-download">
-<h3 id="Property:_access.2Fdownload"><span class="secno">7.20 </span>Property: access/download</h3>
-<p>points to the location of a distribution. This can be a direct download link, a link to an HTML page containing a link to the actual data, Feed, Web Service etc. the semantic is determined by its domain (Distribution, Feed, WebService, Download).</p>
-<p class="issue">If the value is always a URI, shouldn't the range be rdfs:Resource?</p>
+<section>
+<h4 id="Property:distribution_accessurl">Property: access URL</h4>
+<p>Could be any kind of URL that gives access to a distribution of the dataset. E.g. landing page, download, feed URL,
+SPARQL endpoint. Use when your catalog does not have information on which it is or when it is definitely not a download.</p>
<table class="definition">
<thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#accessURL">dcat:accessURL</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>the value is a URL.</td></tr>
- <tr><td class="prop">See also</td><td><a href="#Class:_Download">Download</a>, <a href="#Class:_WebService">WebService</a>, <a href="#Class:_Feed">Feed</a></td></tr>
- </tbody>
-</table>
-</div>
-
-
-<div class="section" id="property--size">
-<h3 id="Property:_size"><span class="secno">7.21 </span>Property: size</h3>
-<p>The size of a distribution.</p>
-
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#size">dcat:size</a></th></tr></thead>
- <tbody>
<tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
- <tr><td class="prop">Usage note:</td><td><a href="http://www.w3.org/ns/dcat#size">dcat:size</a> is usually used with a blank node described using <a href="http://www.w3.org/2000/01/rdf-schema#label">rdfs:label</a> and <a href="http://www.w3.org/ns/dcat#bytes">dcat:bytes</a>.</td></tr>
- <tr><td class="prop">Example:</td><td><pre> :distribution dcat:size [dcat:bytes 5120^^xsd:integer; rdfs:label "5KB"]</pre></td></tr>
- </tbody>
-</table>
-</div>
-
-<div class="section" id="property--format">
-<h3 id="Property:_format"><span class="secno">7.22 </span>Property: format</h3>
-<p>the file format of the distribution.</p>
-
-<table class="definition">
- <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/format">dcterms:format</a></th></tr></thead>
- <tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/MediaTypeOrExtent">dcterms:MediaTypeOrExtent</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>MIME type is used for values. A list of MIME types URLs can be found at <a href="http://www.iana.org/assignments/media-types/">IANA</a>. However ESRI Shape files have no specific MIME type (A Shape distribution is actually a collection of files), currently this is still an open question? @@@.</td></tr>
- <tr><td class="prop">Example:</td><td>
-<pre>:distribution dcterms:format [
- a dcterms:IMT;
- rdf:value "text/csv";
- rdfs:label "CSV"
-]</pre></td></tr>
+ <tr><td class="prop">Usage note:</td><td><ul> <li>the value is a URL.</li>
+ <li>
+ If the distribution(s) are accessible only through a landing page
+ (i.e. direct download URLs are not known), then the landing page link <em class="rfc2119" title="should">should</em> be duplicated as accessURL on a distribution. (see <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#example-landing-page">example 4.4</a>)
+ </li></ul>
+ </td></tr>
+ <tr><td class="prop">See also</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_downloadurl">distribution download URL</a></td></tr>
</tbody>
</table>
-</div>
-</div>
-
+</section>
-<div class="section" id="class--download">
-<!--OddPage--><h2 id="Class:_Download"><span class="secno">8. </span>Class: Download</h2>
-<p>Represents a downloadable distribution of a dataset.</p>
-
+<section>
+<h4 id="Property:distribution_downloadurl">Property: download URL</h4>
+<p>This is a direct link to a downloadable file in a given format. E.g. CSV file or RDF file.
+The format is described by the distribution's dc:format and/or dcat:mediaType</p>
<table class="definition">
- <thead><tr><th>RDF Class:</th><th><a href="http://www.w3.org/ns/dcat#Download">dcat:Download</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#downloadURL">dcat:downloadURL</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="#Property:_access.2Fdownload"> accessUrl</a> of the Download distribution should be a <strong>direct download link</strong> (a one-click access to the data file).</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Class:_Distribution">Distribution</a>, <a href="#Class:_WebService">WebService</a>, <a href="#Class:_Feed">Feed</a></td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource">rdfs:Resource</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td>the value is a URL.</td></tr>
+ <tr><td class="prop">See also</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_accessurl">distribution access URL</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="class--webservice">
-<!--OddPage--><h2 id="Class:_WebService"><span class="secno">9. </span>Class: WebService</h2>
-<p>Represents a web service that enables access to the data of a dataset.</p>
+<section>
+<h4 id="Property:_size">Property: byteSize</h4>
+<p>The size of a distribution in bytes.</p>
<table class="definition">
- <thead><tr><th>RDF Class:</th><th><a href="http://www.w3.org/ns/dcat#WebService">dcat:WebService</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#size">dcat:byteSize</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/MediaTypeOrExtent">dcterms:MediaTypeOrExtent</a></td></tr>
- <tr><td class="prop">Usage note:</td><td>Describe the web service using <a href="#Property:_access.2Fdownload"> accessUrl</a>, <a href="#Property:_format"> format</a> and <a href="#Property:_size"> size</a>. Further description of the web service is out the scope of dcat.</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Class:_Distribution">Distribution</a>, <a href="#Class:_Download">Download</a>, <a href="#Class:_Feed">Feed</a></td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Literal">rdfs:Literal</a> typed as <a href="http://www.w3.org/TR/xmlschema-2/#decimal">xsd:decimal</a>.</td></tr>
+ <tr><td class="prop">Usage note:</td><td>The size in bytes can be approximated when the precise size is not known.</td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="class--feed">
-<!--OddPage--><h2 id="Class:_Feed"><span class="secno">10. </span>Class: Feed</h2>
-<p>represent availability of a dataset as a feed.</p>
+<section>
+<h4 id="Property:distribution_media_type">Property: media type</h4>
+<p>The media type of the distribution as defined by <a href="http://www.iana.org/assignments/media-types/">IANA</a>.</p>
<table class="definition">
- <thead><tr><th>RDF Class:</th><th><a href="http://www.w3.org/ns/dcat#Feed">dcat:Feed</a></th></tr></thead>
+ <thead><tr><th>RDF Property:</th><th><a href="http://www.w3.org/ns/dcat#mediaType">dcat:mediaType</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Usage note:</td><td>Describe the feed using <a href="#Property:_access.2Fdownload"> accessUrl</a>, <a href="#Property:_format">format</a> and <a href="#Property:_size"> size</a>. Further description of the web service is out the scope of dcat.</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Class:_Distribution">Distribution</a>, <a href="#Class:_Download">Download</a>, <a href="#Class:_WebService">WebService</a></td></tr>
+ <tr><td class="prop">Sub property of:</td><td><a href="http://purl.org/dc/terms/format">dct:format</a></td></tr>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/MediaTypeOrExtent">dct:MediaTypeOrExtent</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td>This property <em class="rfc2119" title="should">should</em> be used when the media type of the distribution is defined in <a href="http://www.iana.org/assignments/media-types/">IANA</a>, otherwise dct:format <em class="rfc2119" title="may">may</em> be used with different values.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_format"> format</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="class--category-and-category-scheme">
-<!--OddPage--><h2 id="Class:_Category_and_category_scheme"><span class="secno">11. </span>Class: Category and category scheme</h2>
+<section>
+<h4 id="Property:distribution_format">Property: format</h4>
+<p>The file format of the distribution.</p>
+
+<table class="definition">
+ <thead><tr><th>RDF Property:</th><th><a href="http://purl.org/dc/terms/format">dct:format</a></th></tr></thead>
+ <tbody>
+ <tr><td class="prop">Range:</td><td><a href="http://purl.org/dc/terms/MediaTypeOrExtent">dct:MediaTypeOrExtent</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td> <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:distribution_media_type">dcat:mediaType</a> <em class="rfc2119" title="should">should</em> be used if the type of the distribution is defined by <a href="http://www.iana.org/assignments/media-types/">IANA</a>.</td></tr>
+ </tbody>
+</table>
+</section>
+</section> <!-- end class Distribution -->
+
+<section id="class-category-and-category-scheme">
+<h3 id="Class:_Category_and_category_scheme"><span class="secno">5.5 </span>Class: Category and category scheme</h3>
<p>The knowledge organization system (KOS) used to represent themes/categories of datasets in the catalog.</p>
<table class="definition">
<thead><tr><th>RDF Classes:</th><th><a href="http://www.w3.org/2004/02/skos/core#ConceptScheme">skos:ConceptScheme</a>, <a href="http://www.w3.org/2004/02/skos/core#Concept">skos:Concept</a></th></tr></thead>
<tbody>
- <tr><td class="prop">Usage note:</td><td>It's necessary to use either skos:inScheme or skos:topConceptOf on every skos:Concept otherwise it's not clear which concept scheme they belong to.</td></tr>
- <tr><td class="prop">See also:</td><td><a href="#Property:_themes">catalog themes</a>, <a href="#Property:_theme.2Fcategory">dataset theme</a></td></tr>
+ <tr><td class="prop">Usage note:</td><td>It is necessary to use either skos:inScheme or skos:topConceptOf on every skos:Concept otherwise it's not clear which concept scheme they belong to.</td></tr>
+ <tr><td class="prop">See also:</td><td><a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:catalog_themes">catalog themes</a>, <a href="file://localhost/Users/fadi/development/Spec/gld/dcat/index.html#Property:dataset_theme">dataset theme</a></td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="class--organization-person">
-<!--OddPage--><h2 id="Class:_Organization.2FPerson"><span class="secno">12. </span>Class: Organization/Person</h2>
+<section id="class-organization-person">
+<h3 id="Class:_Organization.2FPerson"><span class="secno">5.6 </span>Class: Organization/Person</h3>
<table class="definition">
<thead><tr><th>RDF Classes:</th><th><a href="http://xmlns.com/foaf/0.1/Person">foaf:Person</a> for people and <a href="http://xmlns.com/foaf/0.1/Organization">foaf:Organization</a> for government agencies or other entities.</th></tr></thead>
@@ -1222,21 +1130,24 @@
<tr><td class="prop">Usage note:</td><td><a href="http://xmlns.com/foaf/spec/">FOAF</a> provides sufficient properties to describe these entities.</td></tr>
</tbody>
</table>
-</div>
+</section>
-<div class="section" id="extending-the-dcat-vocabulary">
-<!--OddPage--><h2 id="Extending_the_vocabulary"><span class="secno">13. </span>Extending the DCAT vocabulary</h2>
-<ul>
- <li> As with all RDF models, the DCAT model can be extended simply by using additional RDF properties anywhere. Data catalog publishers may choose from properties in existing vocabularies or create their own custom vocabulary.</li>
- <li> Additional classes, from existing or new vocabularies, may also be used.</li>
- <li> Extensions used in a particular catalog should be documented to ensure that consumers of the data are aware of the additional available properties.</li>
- <li> Creating new subclasses and subproperties of terms used in dcat, such as new types of distributions, is generally discouraged because it can break SPARQL queries that data consumers use to query the data.</li>
- <li> As always with RDF, if you need to introduce new classes or properties, <em>do not introduce new terms in existing namespaces "owned" by someone else</em>, but set up your own namespace and define new terms in that namespace.</li>
-</ul>
-</div>
+</section>
-
+<section id="acknowledgements" class="appendix">
+<!--OddPage--><h2><span class="secno">A. </span>Acknowledgements</h2>
+<p>This document contains a significant contribution from Ricahrd Cyganiak. Ricahrd Cyganiak
+is one of the initiators of the DCAT work and
+significantly contributed to the work on this specification as it made its way through the <abbr title="World Wide Web Consortium">W3C</abbr> process.</p>
+<p>The editors would like to thank Vassilios Peristeras for his comments and support for the original DCAT work.
+We would also like to thank Rufus Pollock for his significant input and comments.</p>
+<p>This document has benefited from inputs from many members of the Government Linked Data Working Group.
+Specific thanks are due to Ghislain Atemezing, Martin Alvarez and Makx Dekkers.</p>
+</section>
-<div class="appendix section" id="references"><!--OddPage--><h2><span class="secno">A. </span>References</h2><div class="section" id="normative-references"><h3><span class="secno">A.1 </span>Normative references</h3><dl class="bibliography"><dt id="bib-RFC2119">[RFC2119]</dt><dd>S. Bradner. <a href="http://www.ietf.org/rfc/rfc2119.txt"><cite>Key words for use in RFCs to Indicate Requirement Levels.</cite></a> March 1997. Internet RFC 2119. URL: <a href="http://www.ietf.org/rfc/rfc2119.txt">http://www.ietf.org/rfc/rfc2119.txt</a>
-</dd></dl></div><div class="section" id="informative-references"><h3><span class="secno">A.2 </span>Informative references</h3><p>No informative references.</p></div></div></body></html>
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+<section id="references" class="appendix"><!--OddPage--><h2><span class="secno">B. </span>References</h2><section id="normative-references"><h3><span class="secno">B.1 </span>Normative references</h3><dl class="bibliography"><dt id="bib-RFC2119">[RFC2119]</dt><dd>S. Bradner. <a href="http://www.ietf.org/rfc/rfc2119.txt"><cite>Key words for use in RFCs to Indicate Requirement Levels.</cite></a> March 1997. Internet RFC 2119. URL: <a href="http://www.ietf.org/rfc/rfc2119.txt">http://www.ietf.org/rfc/rfc2119.txt</a>
+</dd></dl></section><section id="informative-references"><h3><span class="secno">B.2 </span>Informative references</h3><dl class="bibliography"><dt id="bib-SPARQL-QUERY-11">[SPARQL-QUERY-11]</dt><dd>Steve Harris; Andy Seaborne. <a href="http://www.w3.org/TR/2012/PR-sparql11-query-20121108/"><cite>SPARQL 1.1 Query Language</cite></a> 8 November 2012. W3C Proposed Recommendation. URL: <a href="http://www.w3.org/TR/2012/PR-sparql11-query-20121108/">http://www.w3.org/TR/2012/PR-sparql11-query-20121108/</a>
+</dd><dt id="bib-TURTLE-TR">[TURTLE-TR]</dt><dd>Eric Prud'hommeaux, Gavin Carothers. <a href="http://www.w3.org/TR/2013/CR-turtle-20130219/"><cite>Turtle: Terse RDF Triple Language.</cite></a> 19 February 2013. W3C Candidate Recommendation. URL: <a href="http://www.w3.org/TR/2013/CR-turtle-20130219/">http://www.w3.org/TR/2013/CR-turtle-20130219/</a>
+</dd><dt id="bib-VOID">[VOID]</dt><dd>Keith Alexander; Richard Cyganiak; Michael Hausenblas; Jun Zhao. <a href="http://www.w3.org/TR/void/"><cite>Describing Linked Datasets with the VoID Vocabulary</cite></a> 03 March 2011. Interest Group Note. URL: <a href="http://www.w3.org/TR/void/">http://www.w3.org/TR/void/</a>
+</dd></dl></section></section></body></html>
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