@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21b9ee78-03af-4608-bc5b-18d9aa3f941e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21b9ee78-03af-4608-bc5b-18d9aa3f941e> .