@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ffef31b9-f93f-4fcd-81af-a3bce061045b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ffef31b9-f93f-4fcd-81af-a3bce061045b> .