@prefix owl:	<http://www.w3.org/2002/07/owl#> .
@prefix ns1:	<http://www.openlinksw.com/schemas/googleplus#> .
@prefix dc:	<http://purl.org/dc/elements/1.1/> .
ns1:activity_title	owl:equivalentProperty	dc:publisher .
@prefix ns3:	<http://www.openlinksw.com/schemas/linkedin#> .
ns3:publisher_name	owl:equivalentProperty	dc:publisher .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns5:	<http://www.openlinksw.com/schemas/opengraph#> .
ns5:username	rdfs:subPropertyOf	dc:publisher .