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Xin Liu

12 papers at tracked venues · 7 at CORE A* · active 2024–2026

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Venues

NeurIPS ×3IJCAI ×2AAAI ×1AAMAS ×1AISTATS ×1COLT ×1ICLR ×1ICML ×1WWW ×1

Frequent coauthors

Hengquan Guo
×6
Honghao Wei
×5
Xiyue Peng
×4
Ziyu Shao
×3
Yongxin Xu
×2
Haobo Zhang
×2
Lingkai Zu
×1
Jiahui Zhu
×1
Kihyun Yu
×1
Dabeen Lee
×1
Jiawei Zhang
×1
Dongqing Zou
×1

Papers

  1. BARouter: A Budget-adaptive Online Large Language Model Router Framework
    WWW 2026 ·
    Lingkai Zu
    ,
    Xiyue Peng
    , Xin Liu
  2. An Optimistic Algorithm for online CMDPS with Anytime Adversarial Constraints
    ICML 2025 ·
    Jiahui Zhu
    ,
    Kihyun Yu
    ,
    Dabeen Lee
    , Xin Liu,
    Honghao Wei
  3. Enhancing Safety in Reinforcement Learning with Human Feedback via Rectified Policy Optimization
    NeurIPS 2025 ·
    Xiyue Peng
    ,
    Hengquan Guo
    ,
    Jiawei Zhang
    ,
    Dongqing Zou
    ,
    Ziyu Shao
    ,
    Honghao Wei
    , Xin Liu
  4. No Regret Reinforcement Learning Algorithms for Online Scheduling with Multi-Stage Tasks
    IJCAI 2025 ·
    Yongxin Xu
    ,
    Hengquan Guo
    ,
    Ziyu Shao
    , Xin Liu
  5. On Preference-based Stochastic Linear Contextual Bandits with Knapsacks
    AISTATS 2025 · Xin Liu
  6. On Stochastic Contextual Bandits with Knapsacks in Small Budget Regime
    ICLR 2025 ·
    Hengquan Guo
    , Xin Liu
  7. On the Power of Optimism in Constrained Online Convex Optimization
    IJCAI 2025 ·
    Haobo Zhang
    ,
    Hengquan Guo
    , Xin Liu
  8. Adversarially Trained Weighted Actor-Critic for Safe Offline Reinforcement Learning
    NeurIPS 2024 ·
    Honghao Wei
    ,
    Xiyue Peng
    ,
    Arnob Ghosh
    , Xin Liu
  9. Learning to Schedule Online Tasks with Bandit Feedback
    AAMAS 2024 ·
    Yongxin Xu
    ,
    Shangshang Wang
    ,
    Hengquan Guo
    , Xin Liu,
    Ziyu Shao
  10. Safe Reinforcement Learning with Instantaneous Constraints: The Role of Aggressive Exploration
    AAAI 2024 ·
    Honghao Wei
    , Xin Liu,
    Lei Ying
  11. Safe and Efficient: A Primal-Dual Method for Offline Convex CMDPs under Partial Data Coverage
    NeurIPS 2024 ·
    Haobo Zhang
    ,
    Xiyue Peng
    ,
    Honghao Wei
    , Xin Liu
  12. Stochastic Constrained Contextual Bandits via Lyapunov Optimization Based Estimation to Decision Framework
    COLT 2024 ·
    Hengquan Guo
    , Xin Liu