_:vb68647 . _:vb68646 . _:vb68649 _:vb68644 . _:vb68648 _:vb68646 . _:vb68644 . _:vb68647 "application/rdf+xml; q=1.0, text/rdf+n3; q=0.9, application/rdf+turtle; q=0.5, application/x-turtle; q=0.6, application/turtle; q=0.5, text/turtle; q=1.0, application/xml; q=0.2, */*; q=0.1" . _:vb68644 _:vb68645 . _:vb68646 . _:vb68646 _:vb68647 . _:vb68645 "OpenLink Virtuoso RDF crawler" . _:vb68644 . _:vb68648 . _:vb68645 . _:vb68649 _:vb68648 .