@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff23cef2-e4ad-4a2b-a847-83c9cab3c19e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff23cef2-e4ad-4a2b-a847-83c9cab3c19e> .