@prefix rdf: . @prefix http-voc: . _:vb319556 rdf:type http-voc:HeaderElement . @prefix pwdr: . @prefix ns3: . _:vb319556 pwdr:describedby ns3:sparql . @prefix ns4: . _:vb319556 pwdr:describedby ns4:sparql . @prefix ns5: . _:vb319556 pwdr:describedby ns5:sparql , ; http-voc:elementName "application/rdf+xml" .