@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/257f46fc-9a18-4533-ba86-ee5709f3a1de> rdfs:isDefinedBy <https://stad.gent/data/blank_node/257f46fc-9a18-4533-ba86-ee5709f3a1de> .