@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e4a9d9-6d8d-4c6b-8413-ede52ae35021> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e4a9d9-6d8d-4c6b-8413-ede52ae35021> .