@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b3efea-0968-472b-ac15-b86510cc4fab> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b3efea-0968-472b-ac15-b86510cc4fab> .