@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9ab90ba-8640-47ec-86d4-e5881f07c6cd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9ab90ba-8640-47ec-86d4-e5881f07c6cd> .