<http://www.w3.org/ns/prov#used>	<http://www.w3.org/2002/07/owl#propertyChainAxiom>	_:vb919494 .
_:vb919494	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#qualifiedUsage> .
_:vb919494	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb919493 .