@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9f4d8f9-74ad-4687-906f-152b39020e84> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9f4d8f9-74ad-4687-906f-152b39020e84> .