@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff54cbed-1aef-4303-b0a6-ee8b849ecd1c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff54cbed-1aef-4303-b0a6-ee8b849ecd1c> .