@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ab9bdd-8561-4574-9a3c-6a7fc0c1f345> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ab9bdd-8561-4574-9a3c-6a7fc0c1f345> .