@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1ff8be4d-6388-41bd-9b00-50babac4b787> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1ff8be4d-6388-41bd-9b00-50babac4b787> .