@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1821d6e0-6f80-40a4-b5bf-883567991ff1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1821d6e0-6f80-40a4-b5bf-883567991ff1> .