@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57e18ada-465c-4297-9b99-0e942e63204a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57e18ada-465c-4297-9b99-0e942e63204a> .