_:vb50857844	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#activity> .
_:vb50857844	<http://www.w3.org/2007/05/powder-s#describedby>	<http://linkeddata.uriburner.com:28898/about/id/entity/http/www.w3.org/ns/prov> .
_:vb50857844	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .