@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns1:	<http://www.openlinksw.com/schemas/linkedin#> .
@prefix sioc:	<http://rdfs.org/sioc/ns#> .
ns1:first_name	rdfs:subPropertyOf	sioc:name .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
@prefix vcard2006:	<http://www.w3.org/2006/vcard/ns#> .
ns1:first_name	owl:equivalentProperty	vcard2006:Given .
@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
ns1:first_name	owl:equivalentProperty	foaf:firstName .