@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57f1b5a6-1a4e-4a8c-86e3-03a0db75ab44> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57f1b5a6-1a4e-4a8c-86e3-03a0db75ab44> .