@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57af770f-6073-4ff7-b636-0cc2ed53ae05> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57af770f-6073-4ff7-b636-0cc2ed53ae05> .