@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1991d9a9-6ac8-4b99-91e6-afecb62069a2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1991d9a9-6ac8-4b99-91e6-afecb62069a2> .