List of Collection attributes * content * description PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX sioc: <http://rdfs.org/sioc/ns#> SELECT distinct ?attribute FROM <http://demo.openlinksw.com/Doc> WHERE { ?forum a sioc:Container . ?forum sioc:is_collection_of ?collection. ?collection ?attribute ?o } 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)