@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ebd520-4aba-4fa6-9eb2-5d7e8a0c7fab> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ebd520-4aba-4fa6-9eb2-5d7e8a0c7fab> .