@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ca5174-653f-4389-b875-bbbbef240885> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ca5174-653f-4389-b875-bbbbef240885> .