@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af471cf4-4008-4029-81fd-e91de87a9c69> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af471cf4-4008-4029-81fd-e91de87a9c69> .