@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f5bbb7-f479-47cb-afb7-faea297c73ac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f5bbb7-f479-47cb-afb7-faea297c73ac> .