@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87efe8fa-b71e-4713-9f8c-955c101d834a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87efe8fa-b71e-4713-9f8c-955c101d834a> .