@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef4ce0db-f687-457a-b58c-ab78ede491bb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef4ce0db-f687-457a-b58c-ab78ede491bb> .