Knowledge Systems Laboratory, Stanford University
19
Example Class Definition
u<rdf:RDF xmlns:rdf = "www.w3.org/1999/02/22-rdf-syntax-ns#"
u       xmlns:rdfs = "//www.w3.org/TR/1999/PR-rdf-schema-19990303#">
u   <rdfs:Class rdf:ID = "Person">
u       <rdfs:comment> The class of people. </rdfs:comment>
u       <rdfs:subClassOf rdf:resource =
u          “www.classtypes.org/useful_classes#Animal” />
u   </rdfs:Class>
u   <rdf:Property ID = "maritalStatus">
u       <rdfs:range rdf:resource = “#MaritalStatus” />
u       <rdfs:domain rdf:resource = “#Person” />
u   </rdf:Property>