@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57551bc9-745c-43d1-8a97-7073096e9960> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57551bc9-745c-43d1-8a97-7073096e9960> .