@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c21ab1fe-1fe8-4f09-8006-a6565009d135> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c21ab1fe-1fe8-4f09-8006-a6565009d135> .