Slice(Project(OrderBy(Filter((lang(?name)  = "en"),
                             Graph(?g,
                                   LeftJoin(LeftJoin(LeftJoin(BGP( ?model <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/goodrelations/v1#ProductOrServiceModel>),
                                                     BGP( ?model <http://purl.org/dc/terms/subject> <http://refstock.eu/ontology/CompressorsScrew>)),
                                            BGP( ?model <http://purl.org/goodrelations/v1#name> ?name)),
                                            BGP( ?model <http://purl.org/goodrelations/v1#hasStockKeepingUnit> ?SKU)))), (?name)),
              {?model, ?name}),
      4,
      10)