@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/539ba60f-3e37-4650-91ef-535e722ba873> rdfs:isDefinedBy <https://stad.gent/data/blank_node/539ba60f-3e37-4650-91ef-535e722ba873> .