_:b21565 . _:b21564 _:b21578 . _:b21592 _:b21593 . _:b21565 _:b21579 . _:b21592 _:b21564 . _:b21564 . _:b21579 "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" . _:b21578 "OpenLink Virtuoso RDF crawler" . _:b21593 . _:b21593 _:b21565 . _:b21565 . _:b21564 . _:b21578 . _:b21579 .