@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57c89a4a-aa4b-42e7-b9bf-d659dd3e4370> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57c89a4a-aa4b-42e7-b9bf-d659dd3e4370> .