@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81049be8-6b59-44ae-9ac7-47e29035a87c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81049be8-6b59-44ae-9ac7-47e29035a87c> .