@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b9d55209-1cfb-48d9-a749-5ef501913dce> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b9d55209-1cfb-48d9-a749-5ef501913dce> .