@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef78e064-9b44-4121-8c42-c9b3511c764b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef78e064-9b44-4121-8c42-c9b3511c764b> .