@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57d33ef4-cea4-4ad4-9c64-1b72b6658a68> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57d33ef4-cea4-4ad4-9c64-1b72b6658a68> .