Akimoto, Youhei

13 publications

NeurIPS 2025 A Provable Approach for End-to-End Safe Reinforcement Learning Akifumi Wachi, Kohei Miyaguchi, Takumi Tanabe, Rei Sato, Youhei Akimoto

AISTATS 2025 Harnessing the Power of Vicinity-Informed Analysis for Classification Under Covariate Shift Mitsuhiro Fujikawa, Youhei Akimoto, Jun Sakuma, Kazuto Fukuchi

NeurIPSW 2024 Harnessing the Power of Vicinity-Informed Analysis for Classification Under Covariate Shift Mitsuhiro Fujikawa, Youhei Akimoto, Jun Sakuma, Kazuto Fukuchi

NeurIPS 2024 Stepwise Alignment for Constrained Language Model Policy Optimization Akifumi Wachi, Thien Q. Tran, Rei Sato, Takumi Tanabe, Youhei Akimoto

IJCAI 2023 Statistically Significant Concept-Based Explanation of Image Classifiers via Model Knockoffs Kaiwen Xu, Kazuto Fukuchi, Youhei Akimoto, Jun Sakuma

NeurIPSW 2023 Verbosity Bias in Preference Labeling by Large Language Models Keita Saito, Akifumi Wachi, Koki Wataoka, Youhei Akimoto

NeurIPS 2022 Max-Min Off-Policy Actor-Critic Method Focusing on Worst-Case Robustness to Model Misspecification Takumi Tanabe, Rei Sato, Kazuto Fukuchi, Jun Sakuma, Youhei Akimoto

AAAI 2022 Unsupervised Causal Binary Concepts Discovery with VAE for Black-Box Model Explanation Thien Q. Tran, Kazuto Fukuchi, Youhei Akimoto, Jun Sakuma

AAAI 2021 AdvantageNAS: Efficient Neural Architecture Search with Credit Assignment Rei Sato, Jun Sakuma, Youhei Akimoto

AAAI 2021 Warm Starting CMA-ES for Hyperparameter Optimization Masahiro Nomura, Shuhei Watanabe, Youhei Akimoto, Yoshihiko Ozaki, Masaki Onishi

AAAI 2020 Generate (Non-Software) Bugs to Fool Classifiers Hiromu Yakura, Youhei Akimoto, Jun Sakuma

ICML 2019 Adaptive Stochastic Natural Gradient Method for One-Shot Neural Architecture Search Youhei Akimoto, Shinichi Shirakawa, Nozomu Yoshinari, Kento Uchida, Shota Saito, Kouhei Nishida

AAAI 2018 Dynamic Optimization of Neural Network Structures Using Probabilistic Modeling Shinichi Shirakawa, Yasushi Iwata, Youhei Akimoto