@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21df8f4d-2c06-4b02-b5b8-de0d070c997a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21df8f4d-2c06-4b02-b5b8-de0d070c997a> .