@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f9cf81ff-5b42-4907-a567-88556fce134d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f9cf81ff-5b42-4907-a567-88556fce134d> .