@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57a9f3f3-a437-485e-8ea0-ae7863f4652f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57a9f3f3-a437-485e-8ea0-ae7863f4652f> .