@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef6af12d-3faf-4754-b7ca-13ca63163d44> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef6af12d-3faf-4754-b7ca-13ca63163d44> .