@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f187b1-fba4-4266-bc7f-7dcba4b5f800> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f187b1-fba4-4266-bc7f-7dcba4b5f800> .