Dump of all Wikiwords for a given Wiki

PREFIX  rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>  
PREFIX  sioc: <http://rdfs.org/sioc/ns#> 
PREFIX  sioct: <http://rdfs.org/sioc/types#>
PREFIX  xsd: <http://www.w3.org/2001/XMLSchema#> 
PREFIX  dct: <http://purl.org/dc/elements/1.1/>
PREFIX  dcc: <http://purl.org/dc/terms/> 
SELECT DISTINCT ?forum_name
                ?post
                ?title
                ?link
                ?links_to
                ?cr
WHERE {
        ?forum  rdf:type           sioct:Wiki   .
        ?forum  sioc:id            ?forum_name  .
        ?forum  sioc:container_of  ?post        .
        ?post   dct:title          ?title       .
        OPTIONAL 
          { ?post  dcc:created    ?cr       }   .
        OPTIONAL 
          { ?post  sioc:link      ?link     }   .
        OPTIONAL 
          { ?post  sioc:links_to  ?links_to }  
      }
ORDER BY ?title