@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b21f2091-24a7-435e-af47-117160a5f3bf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b21f2091-24a7-435e-af47-117160a5f3bf> .