@prefix rdf: . @prefix http-voc: . _:vb494643 rdf:type http-voc:MessageHeader . @prefix pwdr: . @prefix ns3: . _:vb494643 pwdr:describedby ns3:sparql . @prefix ns4: . _:vb494643 pwdr:describedby ns4:db933fc5f7152283119360b8bf0db9e7c27325e9 . @prefix ns5: . _:vb494643 pwdr:describedby ns5:sparql . @prefix ns6: . _:vb494643 http-voc:fieldName ns6:connection ; http-voc:fieldValue _:vb494644 . _:vb494644 rdf:type http-voc:HeaderElement ; pwdr:describedby ns3:sparql , ns5:sparql , ns4:db933fc5f7152283119360b8bf0db9e7c27325e9 ; http-voc:elementName "Keep-Alive" .