RDF Schema

<rdf:RDF
  xmlns     = "http://www.example.com/university#"
  xml:base  = "http://www.example.com/university#"
  xmlns:rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:rdfs= "http://www.w3.org/2000/01/rdf-schema#"
  xmlns:xsd = "http://www.w3.org/2001/XMLSchema#"
>

	<!-- RDF Schema (Domain Model) -->

	<rdf:Description rdf:about="#Person">
		<rdfs:label xml:lang="en">Person</rdfs:label>
		<rdf:type rdf:resource="rdf:Class"/>
	</rdf:Description>
	
	<rdf:Description rdf:about="#Professor">
		<rdfs:label xml:lang="en">Professor</rdfs:label>
		<rdf:type rdf:resource="rdf:Class"/>
		<rdfs:subClassOf rdf:resource="#Person"/>
	</rdf:Description>
	
	<rdf:Description rdf:about="#Student">
		<rdfs:label xml:lang="en">Student</rdfs:label>
		<rdf:type rdf:resource="rdf:Class"/>
		<rdfs:subClassOf rdf:resource="#Person"/>
	</rdf:Description>

	<rdf:Property rdf:about="#teaches">
		<rdfs:label xml:lang="en">teaches</rdfs:label>
		<rdfs:comment>Profs teach students</rdfs:comment>
		<rdfs:domain rdf:resource="#Professor"/>
		<rdfs:range rdf:resource="#Student"/>
	</rdf:Property>
	
	<rdf:Property rdf:about="#firstname">
		<rdfs:label xml:lang="en">firstname</rdfs:label>
		<rdfs:comment>This relationship represents a person's first name</rdfs:comment>
		<rdfs:domain rdf:resource="#Person"/>
		<rdfs:range rdf:resource="xsd:string"/>
	</rdf:Property>
	
	<rdf:Property rdf:about="#lastname">
		<rdfs:label xml:lang="en">lastname</rdfs:label>
		<rdfs:comment>This relationship represents a person's last name</rdfs:comment>
		<rdfs:domain rdf:resource="#Person"/>
		<rdfs:range rdf:resource="xsd:string"/>
	</rdf:Property>
	
	<!-- Data Instances -->

	<rdf:Description rdf:about="#mowbray">
		<rdf:type rdf:resource="#Student"/>
		<firstname>Maxwell</firstname>
		<lastname>Mowbray</lastname>
	</rdf:Description>
	
		<rdf:Description rdf:about="#witte">
		<rdf:type rdf:resource="#Professor"/>
		<firstname>Rene</firstname>
		<lastname>Witte</lastname>
		<teaches rdf:resource="#mowbray"/>
	</rdf:Description>

</rdf:RDF>