MediaWikiREFExample2Dump of MediaWiki General Info PREFIX sioc: <http://rdfs.org/sioc/ns#> PREFIX sioct: <http://rdfs.org/sioc/types#> PREFIX dc: <http://purl.org/dc/elements/1.1/> PREFIX dct: <http://purl.org/cdc/terms/> SELECT * WHERE { ?forum a sioct:Wiki. optional{ ?forum dc:title ?title }. optional{ ?forum sioc:description ?description }. optional{ ?forum sioc:link ?url }. optional{ ?forum sioc:has_host ?name}. } 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)