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