@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c7d2a3-419c-4fd6-8d2d-56912ba7973d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c7d2a3-419c-4fd6-8d2d-56912ba7973d> .