@inproceedings{KDD-2019-AkibaSYOK,
	author        = "Takuya Akiba and Shotaro Sano and Toshihiko Yanase and Takeru Ohta and Masanori Koyama",
	booktitle     = "{Proceedings of the 25th International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/3292500.3330701",
	isbn          = "978-1-4503-6201-6",
	pages         = "2623--2631",
	publisher     = "{ACM}",
	title         = "{Optuna: A Next-generation Hyperparameter Optimization Framework}",
	year          = 2019,
}