@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a21fb8d5-470d-4534-9982-a8d7505bcaef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a21fb8d5-470d-4534-9982-a8d7505bcaef> .