@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a8d0d0-b2cb-4fa6-9fa8-3f45fe05a259> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a8d0d0-b2cb-4fa6-9fa8-3f45fe05a259> .