@prefix rdf: . @prefix http-voc: . _:vb417816 rdf:type http-voc:HeaderElement . @prefix pwdr: . @prefix ns3: . _:vb417816 pwdr:describedby ns3:sparql . @prefix ns4: . _:vb417816 pwdr:describedby ns4:faff527d5720454f85954741c8815c78cd7585d2 . @prefix ns5: . _:vb417816 pwdr:describedby ns5:sparql . @prefix ns6: . _:vb417816 pwdr:describedby ns6:sparql ; http-voc:elementName "OpenLink Virtuoso RDF crawler" . _:vb417830 rdf:type http-voc:MessageHeader ; pwdr:describedby ns5:sparql , ns6:sparql , ns3:sparql , ns4:faff527d5720454f85954741c8815c78cd7585d2 . @prefix ns7: . _:vb417830 http-voc:fieldName ns7:user-agent ; http-voc:fieldValue _:vb417816 .