@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81615da-ce04-41d4-a30f-f37f9aef33be> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81615da-ce04-41d4-a30f-f37f9aef33be> .