@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57d4c8e1-ca1c-4684-99e6-20cbac7d9c8c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57d4c8e1-ca1c-4684-99e6-20cbac7d9c8c> .