@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b5cd5c-1f72-40ac-ae0f-1aa286b09d9c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b5cd5c-1f72-40ac-ae0f-1aa286b09d9c> .