@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21b6f9f8-1685-401e-8000-33704e9d39fd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21b6f9f8-1685-401e-8000-33704e9d39fd> .