@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a57fffcd-68b7-4d23-9ea9-04f3f8869276> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a57fffcd-68b7-4d23-9ea9-04f3f8869276> .