(Second) Preimage Attacks on Step-Reduced RIPEMD/RIPEMD-128 with a New Local-Collision Approach. - Lei Wang 031; Yu Sasaki; Wataru Komatsubara; Kazuo Ohta; Kazuo Sakiyama (CT-RSA, 2011)

Meet-in-the-Middle (Second) Preimage Attacks on Two Double-Branch Hash Functions RIPEMD and RIPEMD-128. - Lei Wang 031; Yu Sasaki; Wataru Komatsubara; Kazuo Sakiyama; Kazuo Ohta (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

Meet-in-the-Middle Preimage Attacks Revisited - New Results on MD5 and HAVAL. - Yu Sasaki; Wataru Komatsubara; Yasuhide Sakai; Lei Wang 031; Mitsugu Iwamoto; Kazuo Sakiyama; Kazuo Ohta (SECRYPT, 2013)

Active Adaptive Experimental Design for Treatment Effect Estimation with Covariate Choice. - Masahiro Kato; Akihiro Oga; Wataru Komatsubara; Ryo Inokuchi (ICML, 2024)

Active Adaptive Experimental Design for Treatment Effect Estimation with Covariate Choices. - Masahiro Kato; Akihiro Oga; Wataru Komatsubara; Ryo Inokuchi (CoRR, 2024)