@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cbd649-31cf-45c6-8627-3390c8b04009> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cbd649-31cf-45c6-8627-3390c8b04009> .