@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81850dc-41de-4d79-bd4a-800d2bee41c3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81850dc-41de-4d79-bd4a-800d2bee41c3> .