@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81ef1a1-9056-4ef7-9aba-1e3e380aa4aa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81ef1a1-9056-4ef7-9aba-1e3e380aa4aa> .