@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/aa91bfca-349b-43dd-bd3c-6e03166b64ac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/aa91bfca-349b-43dd-bd3c-6e03166b64ac> .