@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/0021df78-c17e-4982-8a04-b2d62d33b81b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/0021df78-c17e-4982-8a04-b2d62d33b81b> .