@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/668c0582-6e72-47a3-a5ab-2183b6aef815> rdfs:isDefinedBy <https://stad.gent/data/blank_node/668c0582-6e72-47a3-a5ab-2183b6aef815> .