@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21f9ac8a-9e01-4452-b517-7c8bfc7ad98f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21f9ac8a-9e01-4452-b517-7c8bfc7ad98f> .