Off-Policy Evaluation for Ranking Policies under Deterministic Logging Policies - Tanaka, Koichi; Kawamura, Kazuki; Muroi, Takanori; Narita, Yusuke; Sasamoto, Yuki; Tateno, Kei; Udagawa, Takuma; Du, Wei-Wei; Saito, Yuta (International Conference on Learning Representations, 2026)