@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff61c6e9-626b-41a9-b825-ebb3fd1a3dfd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff61c6e9-626b-41a9-b825-ebb3fd1a3dfd> .