_:vb28531	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
_:vb28531	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.w3.org/2006/vcard/ns#given-name> .
_:vb28531	<http://www.w3.org/2002/07/owl#maxCardinality>	"1"^^<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .