Construct({ ?s ?p ?o },
          LeftJoin(LeftJoin(BGP( ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://w3id.org/i40/sto/iot#Concern>),
                            Extend(BGP( ?s <https://w3id.org/i40/sto/iot#supports> ?o),
                                   ?p,
                                   <https://w3id.org/i40/sto/iot#supports>)),
                   Extend(BGP( ?s <http://www.w3.org/2004/02/skos/core#broader> ?o),
                          ?p,
                          <http://www.w3.org/2004/02/skos/core#broader>)))