@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff521da3-5048-46e8-b17f-83dd0916c69b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff521da3-5048-46e8-b17f-83dd0916c69b> .