@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef9efcea-cc80-47ef-ba31-406d668ec703> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef9efcea-cc80-47ef-ba31-406d668ec703> .