@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/639a3455-c3f7-47f2-8028-a02549e4f271> rdfs:isDefinedBy <https://stad.gent/data/blank_node/639a3455-c3f7-47f2-8028-a02549e4f271> .