@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ab9afe-9fb9-41a4-82dc-9134c8732976> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ab9afe-9fb9-41a4-82dc-9134c8732976> .