@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef520b31-4bc9-4b6f-8a6a-6556fa2f2caa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef520b31-4bc9-4b6f-8a6a-6556fa2f2caa> .