@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81da444-d9fb-49c0-a145-9bffd4864d9d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81da444-d9fb-49c0-a145-9bffd4864d9d> .