@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dbd95e-068b-4e87-a38d-dce75e2c83ef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dbd95e-068b-4e87-a38d-dce75e2c83ef> .