@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b824bc-42c4-4b16-82d9-6cedba022ff6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b824bc-42c4-4b16-82d9-6cedba022ff6> .