@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix oplweb:	<http://www.openlinksw.com/schemas/oplweb#> .
@prefix ns2:	<http://purl.org/goodrelations/v1#> .
oplweb:PriceUnitType	rdfs:subClassOf	ns2:UnitPriceSpecification .