@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21d8aeb9-5c63-4b7e-90d2-6d60471e6938> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21d8aeb9-5c63-4b7e-90d2-6d60471e6938> .