@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57d9d872-5a90-4f59-8820-220ada59ad3c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57d9d872-5a90-4f59-8820-220ada59ad3c> .