@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f57a257d-ea9c-47de-8476-c4ef04ace7df> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f57a257d-ea9c-47de-8476-c4ef04ace7df> .