@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e21bc7-7004-4470-a15d-81303de9518c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e21bc7-7004-4470-a15d-81303de9518c> .