@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81af30a-210d-4c36-bce9-3bf0b7b07187> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81af30a-210d-4c36-bce9-3bf0b7b07187> .