_:vb50857811	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#Derivation> .
_:vb50857809	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb50857811 .
_:vb50857811	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb50857812 .
<http://www.w3.org/ns/prov>	<http://xmlns.com/foaf/0.1/topic>	_:vb50857811 .
_:vb50857811	<http://www.w3.org/2007/05/powder-s#describedby>	<http://linkeddata.uriburner.com:28898/about/id/entity/http/www.w3.org/ns/prov> .