@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/663ff52a-a69c-4990-8be3-cf342d574eed> rdfs:isDefinedBy <https://stad.gent/data/blank_node/663ff52a-a69c-4990-8be3-cf342d574eed> .