@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ea9c15-e4f5-498e-b68c-82ad0f86e6a2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ea9c15-e4f5-498e-b68c-82ad0f86e6a2> .