Project(OrderBy(Union(BGP( ?p <http://schema.org/domainIncludes> ?c .
                           ?c <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://schema.org/CreativeWork>),
                      BGP( ?p <http://schema.org/domainIncludes> <http://schema.org/CreativeWork>)), (?c)),
        {?c, ?p})