_:vb50874701	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/http/www.ontologydesignpatterns.org/ont/dul/DUL.owl> .
_:vb50874701	<http://www.w3.org/2002/07/owl#allValuesFrom>	<http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Role> .
_:vb50874701	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#isClassifiedBy> .
_:vb50874701	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .