@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81b90e1-7582-4272-886e-a5771aad5754> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81b90e1-7582-4272-886e-a5771aad5754> .