@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e31b3b-ff76-46db-a7bc-423c47cc309c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e31b3b-ff76-46db-a7bc-423c47cc309c> .