@prefix rdf: . @prefix http-voc: . _:vb43642 rdf:type http-voc:MessageHeader . @prefix pwdr: . @prefix ns3: . _:vb43642 pwdr:describedby ns3:ca8c77ade198360ae50c683646edc90c6dda1e1a . @prefix ns4: . _:vb43642 pwdr:describedby ns4:sparql . @prefix ns5: . _:vb43642 pwdr:describedby ns5:sparql . @prefix ns6: . _:vb43642 http-voc:fieldName ns6:connection ; http-voc:fieldValue _:vb43643 . _:vb43643 rdf:type http-voc:HeaderElement ; pwdr:describedby ns3:ca8c77ade198360ae50c683646edc90c6dda1e1a , ns5:sparql , ns4:sparql ; http-voc:elementName "Keep-Alive" .