@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a4eb4c-bf31-4312-ba79-42199fa78986> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a4eb4c-bf31-4312-ba79-42199fa78986> .