@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/bff99ffd-02fa-4e8b-a20e-874bf18d8169> rdfs:isDefinedBy <https://stad.gent/data/blank_node/bff99ffd-02fa-4e8b-a20e-874bf18d8169> .