@prefix rdf: . @prefix http-voc: . _:vb687636 rdf:type http-voc:HeaderElement . @prefix pwdr: . @prefix ns3: . _:vb687636 pwdr:describedby ns3:venturebeat_search ; http-voc:elementName "text/turtle, text/n3, text/nt, text/html, application/ld+json" .