@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dd783f-c9d4-4a69-a7b5-236aaad4105d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dd783f-c9d4-4a69-a7b5-236aaad4105d> .