@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a4a063-e890-40ec-b320-16222f5b2f44> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a4a063-e890-40ec-b320-16222f5b2f44> .