@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57b23091-045d-42aa-ae12-00d89bb8b57c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57b23091-045d-42aa-ae12-00d89bb8b57c> .