@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac4f9138-cd3a-4945-b989-c6c3340de49c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac4f9138-cd3a-4945-b989-c6c3340de49c> .