@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef6f34be-c63d-4999-b256-be6c03855c91> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef6f34be-c63d-4999-b256-be6c03855c91> .