@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ec8cbe-08ce-4639-be0d-58b31cd64115> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ec8cbe-08ce-4639-be0d-58b31cd64115> .