@prefix owl:	<http://www.w3.org/2002/07/owl#> .
@prefix ns1:	<http://www.openlinksw.com/schemas/opengraph#> .
@prefix sioc:	<http://rdfs.org/sioc/ns#> .
ns1:email	owl:equivalentProperty	sioc:email .
@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
ns1:email	owl:equivalentProperty	foaf:mbox .
@prefix vcard:	<http://www.w3.org/2001/vcard-rdf/3.0#> .
ns1:email	owl:equivalentProperty	vcard:EMAIL .