@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns1:	<http://www.openlinksw.com/schemas/googleplus#> .
@prefix dc:	<http://purl.org/dc/elements/1.1/> .
ns1:profile_url	rdfs:subPropertyOf	dc:source .
@prefix dct:	<http://purl.org/dc/terms/> .
ns1:profile_url	rdfs:subPropertyOf	dct:source .
@prefix sioc:	<http://rdfs.org/sioc/ns#> .
ns1:profile_url	rdfs:subPropertyOf	sioc:link .