Weblog Applications Data Space PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX atom: <http://atomowl.org/ontologies/atomrdf#> SELECT ?post_title, ?pub, ?feed WHERE { ?s rdf:type atom:Entry . ?s atom:title ?post_title . ?s atom:published ?pub . ?s atom:source ?feed . ?feed atom:title ?title filter regex(?title, ".*blog") } ORDER BY DESC (?pub) LIMIT 10 Sample Data (Live Query Results) Click Here for a live SPARQL Query (via SPARQL Protocol) against a collection of blog posts.