Fast Approximation Algorithm for the 1-Median Problem. - Koji Tabata; Atsuyoshi Nakamura; Mineichi Kudo (Discovery Science, 2012)

An Algorithm for Influence Maximization in a Two-Terminal Series Parallel Graph and its Application to a Real Network. - Koji Tabata; Atsuyoshi Nakamura; Mineichi Kudo (Discovery Science, 2015)

An Efficient Approximate Algorithm for the 1-Median Problem on a Graph. - Koji Tabata; Atsuyoshi Nakamura; Mineichi Kudo (IEICE Trans. Inf. Syst., 2017)

Feature selection as Monte-Carlo Search in Growing Single Rooted Directed Acyclic Graph by Best Leaf Identification. - Aurélien Pélissier; Atsuyoshi Nakamura; Koji Tabata (SDM, 2019)

A Bad Arm Existence Checking Problem. - Koji Tabata; Atsuyoshi Nakamura; Junya Honda; Tamiki Komatsuzaki (CoRR, 2019)

A bad arm existence checking problem: How to utilize asymmetric problem structure? - Koji Tabata; Atsuyoshi Nakamura; Junya Honda; Tamiki Komatsuzaki (Mach. Learn., 2020)

Classification Bandits: Classification Using Expected Rewards as Imperfect Discriminators. - Koji Tabata; Atsuyoshi Nakamura; Tamiki Komatsuzaki (PAKDD (Workshops), 2021)

Posterior Tracking Algorithm for Classification Bandits. - Koji Tabata; Junpei Komiyama; Atsuyoshi Nakamura; Tamiki Komatsuzaki (AISTATS, 2023)

Gaussian process classification bandits. - Tatsuya Hayashi; Naoki Ito; Koji Tabata; Atsuyoshi Nakamura; Katsumasa Fujita; Yoshinori Harada; Tamiki Komatsuzaki (Pattern Recognit., 2024)

A 1Tb 3b/cell 3D-Flash Memory with a 29%-Improved-Energy-Efficiency Read Operation and 4.8Gb/s Power-Isolated Low-Tapped-Termination I/Os. - Kosuke Yanagidaira; Mario Sako; Yasuhiro Hirashima; Junya Matsuno; Yumi Higashi; Yutaka Shimizu; Akihiro Imamoto; Kazuaki Kawaguchi; Koji Tabata; Takeshi Nakano; Yusuke Ochi; Hiroaki Hoshino; et al. (ISSCC, 2025)

Risk-Averse Best Arm Set Identification with Fixed Budget and Fixed Confidence. - Shunta Nonaga; Koji Tabata; Yuta Mizuno; Tamiki Komatsuzaki (CoRR, 2025)