@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81886d35-9a88-45a1-87a1-8950a59bc13e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81886d35-9a88-45a1-87a1-8950a59bc13e> .