@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef8af77f-933a-4253-b817-72209f192da9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef8af77f-933a-4253-b817-72209f192da9> .