@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81506fc-15bf-45ac-a7f5-921e7cc6f5f1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81506fc-15bf-45ac-a7f5-921e7cc6f5f1> .