@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57e133f9-93b7-449f-a63e-bf19610350cd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57e133f9-93b7-449f-a63e-bf19610350cd> .