@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f227e3-da2f-46eb-b8fe-e65387e5b1bd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f227e3-da2f-46eb-b8fe-e65387e5b1bd> .