@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1a87af68-b766-4d1d-a016-2dd6b59e54ad> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1a87af68-b766-4d1d-a016-2dd6b59e54ad> .