@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a18860-a7c4-4e4e-8b13-527e5514a0e1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a18860-a7c4-4e4e-8b13-527e5514a0e1> .