@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b30672-e286-4afa-b285-74c1df07eb17> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b30672-e286-4afa-b285-74c1df07eb17> .