@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1ff1a6f7-5689-4a94-b504-21d9f326985a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1ff1a6f7-5689-4a94-b504-21d9f326985a> .