@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81ec56b-2ddd-4871-b44f-a7078a94fc32> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81ec56b-2ddd-4871-b44f-a7078a94fc32> .