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<h1>RDF Reference</h1>
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<h2>The RDF Namespaces</h2>
<p>The RDF namespace (xmlns:rdf) is:</p>
<p><a target="_blank" href="rdf-syntax-ns.xml">http://www.w3.org/1999/02/22-rdf-syntax-ns#</a></p>
<p>The RDFS namespace (xmlns:rdfs ) is:</p>
<p><a target="_blank" href="rdf-schema.xml">http://www.w3.org/2000/01/rdf-schema#</a></p>
<hr />
<h2>The RDF Extension and Mime Type</h2>
<p>The recommended extension for RDF files is <b>*.rdf</b>. However, the
extension <b>*.xml</b> is
often used to provide compatibility with older xml parsers.</p>
<p>The registered mime type should be <b>"application/rdf+xml"</b>.</p>
<hr />
<h2>RDFS / RDF Classes</h2>
<table class="ex" border="1" width="100%">
<tr>
<th align="left">Element</th>
<th align="left">Class of</th>
<th align="left">Subclass of</th>
</tr>
<tr>
<td>rdfs:Class</td>
<td>All classes</td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>rdfs:Datatype</td>
<td>Data types</td>
<td>Class</td>
</tr>
<tr>
<td>rdfs:Resource</td>
<td>All resources</td>
<td>Class</td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>rdfs:Container</td>
<td>Containers</td>
<td>Resource</td>
</tr>
<tr>
<td>rdfs:Literal</td>
<td>Literal values (text and numbers)</td>
<td>Resource</td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>rdf:List</td>
<td>Lists</td>
<td>Resource</td>
</tr>
<tr>
<td>rdf:Property</td>
<td>Properties</td>
<td>Resource</td>
</tr>
<tr>
<td>rdf:Statement</td>
<td>Statements</td>
<td>Resource</td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>rdf:Alt</td>
<td>Containers of alternatives</td>
<td>Container</td>
</tr>
<tr>
<td>rdf:Bag</td>
<td>Unordered containers</td>
<td>Container</td>
</tr>
<tr>
<td>rdf:Seq</td>
<td>Ordered containers</td>
<td>Container</td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>rdfs:ContainerMembershipProperty</td>
<td>Container membership properties</td>
<td>Property</td>
</tr>
<tr>
<td>rdf:XMLLiteral</td>
<td>XML literal values</td>
<td>Literal</td>
</tr>
</table>
<br />
<hr />
<h2>RDFS / RDF Properties</h2>
<table class="ex" border="1" width="100%">
<tr>
<th align="left">Element</th>
<th align="left">Domain</th>
<th align="left">Range</th>
<th align="left">Description</th>
</tr>
<tr>
<td>rdfs:domain</td>
<td>Property</td>
<td>Class</td>
<td>The domain of the resource</td>
</tr>
<tr>
<td>rdfs:range</td>
<td>Property</td>
<td>Class</td>
<td>The range of the resource</td>
</tr>
<tr>
<td>rdfs:subPropertyOf</td>
<td>Property</td>
<td>Property</td>
<td>The property is a sub property of a property</td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>rdfs:subClassOf</td>
<td>Class</td>
<td>Class</td>
<td>The resource is a subclass of a class</td>
</tr>
<tr>
<td>rdfs:comment</td>
<td>Resource</td>
<td>Literal</td>
<td>The human readable description of the resource</td>
</tr>
<tr>
<td>rdfs:label</td>
<td>Resource</td>
<td>Literal</td>
<td>The human readable label (name) of the resource</td>
</tr>
<tr>
<td>rdfs:isDefinedBy</td>
<td>Resource</td>
<td>Resource</td>
<td>The definition of the resource</td>
</tr>
<tr>
<td>rdfs:seeAlso</td>
<td>Resource</td>
<td>Resource</td>
<td>The additional information about the resource</td>
</tr>
<tr>
<td>rdfs:member</td>
<td>Resource</td>
<td>Resource</td>
<td>The member of the resource</td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>rdf:first</td>
<td>List</td>
<td>Resource</td>
<td> </td>
</tr>
<tr>
<td>rdf:rest</td>
<td>List</td>
<td>List</td>
<td> </td>
</tr>
<tr>
<td>rdf:subject</td>
<td>Statement</td>
<td>Resource</td>
<td>The subject of the resource in an RDF Statement</td>
</tr>
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