@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef7c138a-d721-4433-b37c-b25fea56215b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef7c138a-d721-4433-b37c-b25fea56215b> .