@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ab4253-702c-42df-a9b1-e21305d90c9d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ab4253-702c-42df-a9b1-e21305d90c9d> .