@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef9aaa27-a775-4205-9e5d-402b43774b21> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef9aaa27-a775-4205-9e5d-402b43774b21> .