@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/9a21fec4-d4c5-4e31-ad0e-4812bd39421c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/9a21fec4-d4c5-4e31-ad0e-4812bd39421c> .