@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57cf9eaf-ba10-4d15-9e63-f0171ae7357a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57cf9eaf-ba10-4d15-9e63-f0171ae7357a> .