@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/663c4322-992c-4434-92ef-5af179ecba06> rdfs:isDefinedBy <https://stad.gent/data/blank_node/663c4322-992c-4434-92ef-5af179ecba06> .