@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21af04b4-7b90-4f26-b6f4-ddab23cb9870> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21af04b4-7b90-4f26-b6f4-ddab23cb9870> .