@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21456889-88af-4ab8-adb6-8aa14d92f577> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21456889-88af-4ab8-adb6-8aa14d92f577> .