Dump all AddressBook's contacts PREFIX sioc: <http://rdfs.org/sioc/ns#> PREFIX sioct: <http://rdfs.org/sioc/types#> PREFIX vcd: <http://www.w3.org/2001/vcard-rdf/3.0#> PREFIX dct: <http://purl.org/dc/elements/1.1/> PREFIX dcc: <http://purl.org/dc/terms/> SELECT ?FN ?nick ?address ?title ?created ?link ?topic WHERE { ?forum a sioct:AddressBook . ?forum sioc:container_of ?post . OPTIONAL {?post vcd:FN ?FN }. OPTIONAL {?post vcd:NICKNAME ?nick}. OPTIONAL {?post vcd:ADR ?address}. OPTIONAL {?post dct:title ?title}. OPTIONAL {?post dcc:created ?created}. OPTIONAL {?post sioc:link ?link }. OPTIONAL {?post sioc:topic ?topic } . } 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)