@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ad4e8e60-3d1c-4359-b171-48952f59a861> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ad4e8e60-3d1c-4359-b171-48952f59a861> .