@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9ff5b8a-4e46-43da-b54f-f41e873b3ad5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9ff5b8a-4e46-43da-b54f-f41e873b3ad5> .