_:vb50844817	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://purl.org/ontology/bibo/Collection> .
<http://purl.org/ontology/bibo/Book>	<http://xmlns.com/foaf/0.1/topic>	_:vb50844817 .
_:vb50844817	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb50844816 .
_:vb50844817	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/http/purl.org/ontology/bibo/Book> .
_:vb50844815	<http://www.w3.org/2002/07/owl#unionOf>	_:vb50844817 .