@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/521c8621-6431-4f1e-b79e-d07c9a03fa2a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/521c8621-6431-4f1e-b79e-d07c9a03fa2a> .