Slice(Project(Union(Graph(?g,
                          Filter((?term1 != ?term2) && (lcase(str(?term1) )  = lcase(str(?term2) ) ),
                                 BGP( ?term1 ?a <http://www.w3.org/2000/01/rdf-schema#Class> .
                                      ?term2 ?a <http://www.w3.org/1999/02/22-rdf-syntax-ns#Property>))),
                    BGP( ?s ?p ?o)),
              {?term1, ?term2, ?g}),
      0,
      1000)