Dump of all Bookmark Urls prefix sioc: <http://rdfs.org/sioc/ns#> prefix sioct: <http://rdfs.org/sioc/types#> prefix dct: <http://purl.org/dc/elements/1.1/> prefix dcc: <http://purl.org/dc/terms/> prefix bmk: <http://www.w3.org/2002/01/bookmark#> select ?bookmark where { ?forum a sioct:BookmarkFolder . ?forum sioc:container_of ?post . optional{ ?post bmk:recalls ?bookmark}. } Sample Data (Live Query Results) Click *Here* for a live SPARQL Query (via SPARQL Protocol) against a collection of published Bookmarks.