@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a74a72-524c-45e6-b883-4a5021755f45> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a74a72-524c-45e6-b883-4a5021755f45> .