@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef4b90d8-5d01-435e-9a89-52cc2e37552c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef4b90d8-5d01-435e-9a89-52cc2e37552c> .