@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9ecc57e-6a61-4cb0-ab37-f2cd79c14aac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9ecc57e-6a61-4cb0-ab37-f2cd79c14aac> .