Knowledge Systems Laboratory, Stanford University
20
Example Continued
u   <rdf:Property ID = "ssn">
u       <rdfs:comment> Social Security Number </rdfs:comment>
u       <rdfs:range rdf:resource =
u           “http://www.datatypes.org/useful_types#Integer” />
u       <rdfs:domain rdf:resource = “#Person” />
u   </rdf:Property>
u   <rdf:Property ID = "age">
u       <rdfs:range rdf:resource =
u           “http://www.datatypes.org/useful_types#Integer” />
u       <rdfs:domain rdf:resource = “#Person” />
u   </rdf:Property>