@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a517aa-c3af-4671-b018-93050a974d98> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a517aa-c3af-4671-b018-93050a974d98> .