When i declare property how to use it
问题 I use RDF/XML to represent some data. First of all i want to show that a person knows other person, i declare the property and i use the following code to specify that mark knows katrin and katrin knows john PART 1 <rdf:Property rdf:about="Know"> <rdfs:domain rdf:resource="#Person"/> <rdfs:range rdf:resource="#Person"/> </rdf:Property> PART2 <rdf:Description rdf:about="#Mark"> <dc:Knows rdf:resource="#Katrin"/> </rdf:Description> <rdf:Description rdf:about="#Katrin"> <dc:Knows rdf:resource="