@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57af7054-623a-4c3a-869c-02917a5982c7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57af7054-623a-4c3a-869c-02917a5982c7> .