@prefix rdf: . @prefix http-voc: . _:vb358223 rdf:type http-voc:HeaderElement . @prefix pwdr: . @prefix ns3: . _:vb358223 pwdr:describedby ns3:sparql . @prefix ns4: . _:vb358223 pwdr:describedby ns4:sparql , ; http-voc:elementName "Virtuoso/08.01.3307 (Linux) x86_64-redhat-linux-gnu-ANALYTICS VDB" . _:vb358270 rdf:type http-voc:MessageHeader ; pwdr:describedby ns3:sparql , ns4:sparql , . @prefix ns5: . _:vb358270 http-voc:fieldName ns5:server ; http-voc:fieldValue _:vb358223 .