@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef61905d-cd4d-4b07-8afe-5f63945c9faf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef61905d-cd4d-4b07-8afe-5f63945c9faf> .