@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fddd5a-ab8e-4af9-bf20-334e81a8d166> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fddd5a-ab8e-4af9-bf20-334e81a8d166> .