@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81da4e50-8969-4958-9e79-3377f335b292> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81da4e50-8969-4958-9e79-3377f335b292> .