@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af1909ef-8089-4070-848a-f903ddd98d13> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af1909ef-8089-4070-848a-f903ddd98d13> .