_:vb54222 . _:vb54226 . _:vb54227 _:vb54226 . _:vb54226 _:vb54224 . _:vb54225 . _:vb54222 _:vb54223 . _:vb54225 "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" . _:vb54224 _:vb54225 . _:vb54223 "OpenLink Virtuoso RDF crawler" . _:vb54224 . _:vb54227 _:vb54222 . _:vb54224 . _:vb54223 . _:vb54222 .