@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a29dc7-ddae-4fbe-99c3-e0a0d5b69cb9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a29dc7-ddae-4fbe-99c3-e0a0d5b69cb9> .