@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d59fb2-cc2e-483a-846b-518415e8a01f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d59fb2-cc2e-483a-846b-518415e8a01f> .