@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b9c87d3d-e31b-4642-9d68-81e2241caacc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b9c87d3d-e31b-4642-9d68-81e2241caacc> .