@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef19c5f5-5f6a-4867-993d-f66219bd581c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef19c5f5-5f6a-4867-993d-f66219bd581c> .