@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/489f170f-abb7-4474-920d-e330181c64fa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/489f170f-abb7-4474-920d-e330181c64fa> .