@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef57a523-4efd-45f7-a9a0-51d5459d08e8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef57a523-4efd-45f7-a9a0-51d5459d08e8> .