@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac21c0b2-6447-4e06-9c1b-bb7d90a457fe> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac21c0b2-6447-4e06-9c1b-bb7d90a457fe> .