@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81daa4d1-e42d-4818-8e31-9d33e2ee3318> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81daa4d1-e42d-4818-8e31-9d33e2ee3318> .