@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c18f8870-4d28-4260-823d-0a49d81c22ac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c18f8870-4d28-4260-823d-0a49d81c22ac> .