Differential Privacy

• Shota SAITO, Koji CHIDA, Osamu TAKAKI, "A Composition Theorem via f-Divergence Differential Privacy" in IEICE TRANSACTIONS on Fundamentals, vol. E108-A, no. 9, pp. 1281-1290, September 2025, doi: 10.1587/transfun.2024EAP1123. Link

Privacy-Utility Tradeoff

• Shota SAITO, Toshiyasu MATSUSHIMA, "Upper Bound on Privacy-Utility Tradeoff Allowing Positive Excess Distortion Probability" in IEICE TRANSACTIONS on Fundamentals, vol. E105-A, no. 3, pp. 425-427, March 2022, doi: 10.1587/transfun.2021TAL0002. 　Link