@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81712f59-bab7-4b8a-8d57-bd40d9967e61> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81712f59-bab7-4b8a-8d57-bd40d9967e61> .