@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57affc4b-76e3-40e4-b9f4-5daace122c0a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57affc4b-76e3-40e4-b9f4-5daace122c0a> .