Polls Post Tags

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 skos: <http://www.w3.org/2004/02/skos/core#>
SELECT *
WHERE 
  {
    ?forum a sioct:SurveyCollection.
    ?forum sioc:container_of ?post.
    optional { ?post sioc:topic ?topic }.
    optional { ?topic rdf:type skos:Concept }.
    optional { ?topic skos:prefLabel ?tag }
  }

Sample Data (Live Query Results)

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