@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b833d2-9f17-46bd-93b7-d5dfd41bcf47> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b833d2-9f17-46bd-93b7-d5dfd41bcf47> .