@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ecd194-e8e7-41fb-86ab-7acadd2b4055> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ecd194-e8e7-41fb-86ab-7acadd2b4055> .