@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57a9aecb-4533-4449-b5a8-83bce68ace69> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57a9aecb-4533-4449-b5a8-83bce68ace69> .