Dynamic collaborative filtering Thompson Sampling for cross-domain advertisements recommendation. - Shion Ishikawa; Young-joo Chung; Yu Hirate (CoRR, 2022)

Improving position bias estimation against sparse and skewed dataset with item embedding. - Shion Ishikawa; Yun Ching Liu; Young-joo Chung; Yu Hirate (CoRR, 2023)

Position Bias Estimation with Item Embedding for Sparse Dataset. - Shion Ishikawa; Yun Ching Liu; Young-joo Chung; Yu Hirate (WWW (Companion Volume), 2024)

Counterfactual Model Selection in Contextual Bandits. - Shion Ishikawa; Young-joo Chung; Yun-Ching Liu; Yu Hirate (SIGIR, 2025)