@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d875af-a42a-44f6-a223-181b28f9f19d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d875af-a42a-44f6-a223-181b28f9f19d> .