@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57b9a398-17ca-4f1f-9501-dd217a7b88e0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57b9a398-17ca-4f1f-9501-dd217a7b88e0> .