@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81004b16-ba50-4224-935e-390c807df4a7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81004b16-ba50-4224-935e-390c807df4a7> .