@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57bf68a8-137c-48ec-9612-949282bd8cda> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57bf68a8-137c-48ec-9612-949282bd8cda> .