@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a6a55b-4083-40c4-987e-b690533b946c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a6a55b-4083-40c4-987e-b690533b946c> .