@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a9f0b917-ca60-408f-a451-438fb567b19b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a9f0b917-ca60-408f-a451-438fb567b19b> .