@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21990e3c-c227-4382-aae1-d4e7657c7ea8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21990e3c-c227-4382-aae1-d4e7657c7ea8> .