Dump all Customers (subclass of Organizations) PREFIX ndw:<http://demo.openlinksw.com/schemas/northwind#> PREFIX foaf: <http://xmlns.com/foaf/0.1/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> SELECT ?company ?contact ?address WHERE { ?aa rdf:type foaf:Organization. ?aa ndw:companyName ?company . ?aa ndw:contactName ?contact . ?aa ndw:address ?address . } Sample Data (Live Query Results) View Query Results (via SPARQL Protocol URL) View Query Results (via iSPARQL Results URL) View Query Editor (via iSPARQL Visual Query Editor URL)