_:vb868095	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.w3.org/2002/12/cal/ical#summary> .
_:vb868095	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
<http://www.w3.org/2002/12/cal/ical#Vevent>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	_:vb868095 .
_:vb868095	<http://www.w3.org/2002/07/owl#minCardinality>	"0"^^<http://www.w3.org/2001/XMLSchema#integer> .