@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91f46e21-b5a1-48bf-8617-225bc67c6409> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91f46e21-b5a1-48bf-8617-225bc67c6409> .