_:vb50857873	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
_:vb50857873	<http://www.w3.org/2002/07/owl#minCardinality>	"1"^^<http://www.w3.org/2001/XMLSchema#int> .
_:vb50857873	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.w3.org/ns/prov#insertedKeyEntityPair> .
_:vb50857873	<http://www.w3.org/2007/05/powder-s#describedby>	<http://linkeddata.uriburner.com:28898/about/id/entity/http/www.w3.org/ns/prov> .