@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91fce509-6851-436f-b6a4-53ae128c8eef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91fce509-6851-436f-b6a4-53ae128c8eef> .