VOS.TutorialREFExample7

List of all Posts and their sections:

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX sioc:   <http://rdfs.org/sioc/ns#>
prefix tutorial: <http://demo.openlinksw.com/schemas/tutorial#>
prefix foaf: <http://xmlns.com/foaf/0.1/>
SELECT *
WHERE 
  {
    ?forum rdf:type tutorial:Post .
    optional{?forum tutorial:belongs_to_section ?belongs_to_section}.
   }
limit 50

Sample Data (Live Query Results)

• Click *Here* for an Interactive-Web View of Virtuoso Tutorials.
• Click *Here* for a live SPARQL Query (via SPARQL Protocol) against a collection of Virtuoso Tutorials.