Virtuoso Open-Source Edition

VOS.ODSAtomOWLRefExampleCommunity

  • Topic
  • Discussion
  • VOS.ODSAtomOWLRefExampleCommunity(Last) -- Owiki? , 2018-04-19 06:21:08 Edit owiki 2018-04-19 06:21:08

    Community (Group Mode) Applications Data Space

    PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
    PREFIX atom: <http://atomowl.org/ontologies/atomrdf#>
    PREFIX sioc: <http://rdfs.org/sioc/ns#>
    PREFIX sioct: <http://rdfs.org/sioc/types#>
    SELECT DISTINCT ?title, ?linkr, ?linkf, ?auth
    WHERE 
      {
        ?forum rdf:type sioc:Community .
        ?forum sioc:has_part ?parentf .
        ?parentf sioc:container_of ?post.
        optional { ?post atom:title ?title } .
        optional { ?post atom:link ?link . ?link atom:linkRel ?linkr . ?link atom:LinkHref ?linkf } .
        optional { ?post atom:author ?auth } .
      }
    
    Sample Data (Live Query Results)
    • Click Here for a live SPARQL Query (via SPARQL Protocol) against a collection of Community posts.