@prefix rdf: . @prefix schema: . _:vb598437 rdf:first schema:Product ; rdf:rest rdf:nil . @prefix pwdr: . @prefix ns3: . _:vb598437 pwdr:describedby ns3:v1 . @prefix gr: . _:vb598438 rdf:first gr:ProductOrService ; rdf:rest _:vb598437 ; pwdr:describedby ns3:v1 .