List of File attributes

   * content
   * description

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
prefix doc: <http://demo.openlinksw.com/schemas/doc#>
PREFIX sioc: <http://rdfs.org/sioc/ns#>
SELECT distinct ?attribute
FROM <http://demo.openlinksw.com/Doc>
WHERE 
  {
    ?forum a bibo:Article .
    ?forum doc:belongs_to_collection  ?belongs_to_collection.
    ?belongs_to_collection?attribute ?o  
   }
ORDER BY ?attribute

Sample Data (Live Query Results)

• Click *Here* for an Interactive-Web View of Virtuoso Documentation.