@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f1d0ae-87f7-4cc6-af62-7acee46e1013> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f1d0ae-87f7-4cc6-af62-7acee46e1013> .