@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ab09c2-9790-4991-b8d7-e09a0814a307> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ab09c2-9790-4991-b8d7-e09a0814a307> .