@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81be30ac-11f0-4081-9125-48ba87835778> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81be30ac-11f0-4081-9125-48ba87835778> .