@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ac1bf9-4705-442a-b289-b7dbc7631c17> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ac1bf9-4705-442a-b289-b7dbc7631c17> .