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Location: / Dashboard / Main / SIOCRefFeedsExample1
Data Space Post/Entry/Item Properties (sioc:Post predicates)
   * content
   * has_container
   * has_creator
   * has_reply 
   * id
   * link
   * links_to   
   * reply_of
   * topic (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#>
SELECT distinct ?attribute
WHERE {
        ?forum rdf:type sioct:SubscriptionList .
        ?forum sioc:parent_of ?parentf .
        ?parentf sioc:container_of ?post .
        ?post ?attribute ?o  
      }
ORDER BY ?attribute
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