@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/dff9bf6b-c8de-4686-ad66-773b75a60fdf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/dff9bf6b-c8de-4686-ad66-773b75a60fdf> .