@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81224c25-f8de-4058-b41a-85c39be66421> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81224c25-f8de-4058-b41a-85c39be66421> .