@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21aa1839-a231-4eb3-8aa9-04b926a227da> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21aa1839-a231-4eb3-8aa9-04b926a227da> .