@prefix owl:	<http://www.w3.org/2002/07/owl#> .
@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .

foaf:isPrimaryTopicOf
	owl:inverseOf	foaf:primaryTopic .
foaf:primaryTopic
	rdf:type	owl:FunctionalProperty , rdf:Property , owl:ObjectProperty ;
	owl:inverseOf	foaf:isPrimaryTopicOf ;
	rdfs:label	"primary topic" ;
	rdfs:domain	foaf:Document ;
	rdfs:range	owl:Thing ;
	rdfs:isDefinedBy	foaf: ;
	rdfs:comment	"The primary topic of some page or document." ;
	<http://www.w3.org/2003/06/sw-vocab-status/ns#term_status>	"stable" .