@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/8521c90a-3e48-4159-85ef-c446c8a484ea> rdfs:isDefinedBy <https://stad.gent/data/blank_node/8521c90a-3e48-4159-85ef-c446c8a484ea> .