@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21f78c7a-9efc-4cc7-80f8-53a87195f047> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21f78c7a-9efc-4cc7-80f8-53a87195f047> .