@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/6f9d3a3f-f503-4cf4-900b-0138e7b23ddd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/6f9d3a3f-f503-4cf4-900b-0138e7b23ddd> .