@prefix owl:	<http://www.w3.org/2002/07/owl#> .
@prefix void:	<http://rdfs.org/ns/void#> .
@prefix ns2:	<http://www.openlinksw.com/schema/attribution/> .
void:vocabulary	owl:equivalentProperty	ns2:isDescribedUsing .
@prefix opl:	<http://www.openlinksw.com/schema/attribution#> .
void:vocabulary	owl:equivalentProperty	opl:isDescribedUsing .