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相关论文: State Advantage Weighting for Offline RL

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Offline reinforcement learning (RL) aims to learn an optimal policy from a static dataset, making it particularly valuable in scenarios where data collection is costly, such as robotics. A major challenge in offline RL is distributional…

机器学习 · 计算机科学 2025-07-16 Motoki Omura , Yusuke Mukuta , Kazuki Ota , Takayuki Osa , Tatsuya Harada

Combining offline and online reinforcement learning (RL) is crucial for efficient and safe learning. However, previous approaches treat offline and online learning as separate procedures, resulting in redundant designs and limited…

机器学习 · 计算机科学 2024-03-19 Kun Lei , Zhengmao He , Chenhao Lu , Kaizhe Hu , Yang Gao , Huazhe Xu

Most prior approaches to offline reinforcement learning (RL) utilize \textit{behavior regularization}, typically augmenting existing off-policy actor critic algorithms with a penalty measuring divergence between the policy and the offline…

机器学习 · 计算机科学 2021-10-15 Haoran Xu , Xianyuan Zhan , Jianxiong Li , Honglei Yin

Offline reinforcement learning leverages pre-collected datasets of transitions to train policies. It can serve as effective initialization for online algorithms, enhancing sample efficiency and speeding up convergence. However, when such…

机器学习 · 计算机科学 2023-12-20 Girolamo Macaluso , Alessandro Sestini , Andrew D. Bagdanov

Recent studies on online reinforcement learning (RL) have demonstrated the advantages of learning multiple behaviors from a single task, as in the case of few-shot adaptation to a new environment. Although this approach is expected to yield…

机器学习 · 计算机科学 2024-06-11 Takayuki Osa , Tatsuya Harada

Offline Reinforcement Learning (RL), which operates solely on static datasets without further interactions with the environment, provides an appealing alternative to learning a safe and promising control policy. The prevailing methods…

机器学习 · 计算机科学 2025-03-18 Kun Wu , Yinuo Zhao , Zhiyuan Xu , Zhengping Che , Chengxiang Yin , Chi Harold Liu , Feiferi Feng , Jian Tang

Offline reinforcement learning (RL) enables the agent to effectively learn from logged data, which significantly extends the applicability of RL algorithms in real-world scenarios where exploration can be expensive or unsafe. Previous works…

机器学习 · 计算机科学 2022-12-05 Yiqin Yang , Hao Hu , Wenzhe Li , Siyuan Li , Jun Yang , Qianchuan Zhao , Chongjie Zhang

Offline reinforcement learning (RL) aims to learn optimal policies from previously collected datasets. Recently, due to their powerful representational capabilities, diffusion models have shown significant potential as policy models for…

机器学习 · 计算机科学 2024-05-30 Tianle Zhang , Jiayi Guan , Lin Zhao , Yihang Li , Dongjiang Li , Zecui Zeng , Lei Sun , Yue Chen , Xuelong Wei , Lusong Li , Xiaodong He

The recent development of reinforcement learning (RL) has boosted the adoption of online RL for wireless radio resource management (RRM). However, online RL algorithms require direct interactions with the environment, which may be…

信息论 · 计算机科学 2023-11-21 Kun Yang , Cong Shen , Jing Yang , Shu-ping Yeh , Jerry Sydir

Reinforcement learning (RL) in sparse-reward environments remains a significant challenge due to the lack of informative feedback. We propose a simple yet effective method that uses a small number of successful demonstrations to initialize…

机器学习 · 计算机科学 2025-10-29 Seyed Mahdi Basiri Azad , Joschka Boedecker

This paper endeavors to augment the robustness of offline reinforcement learning (RL) in scenarios laden with heavy-tailed rewards, a prevalent circumstance in real-world applications. We propose two algorithmic frameworks, ROAM and ROOM,…

机器学习 · 计算机科学 2024-04-02 Jin Zhu , Runzhe Wan , Zhengling Qi , Shikai Luo , Chengchun Shi

In safe offline reinforcement learning (RL), the objective is to develop a policy that maximizes cumulative rewards while strictly adhering to safety constraints, utilizing only offline data. Traditional methods often face difficulties in…

机器学习 · 计算机科学 2026-02-11 Prajwal Koirala , Zhanhong Jiang , Soumik Sarkar , Cody Fleming

We introduce a novel framework for analyzing reinforcement learning (RL) in continuous state-action spaces, and use it to prove fast rates of convergence in both off-line and on-line settings. Our analysis highlights two key stability…

机器学习 · 计算机科学 2024-01-11 Yaqi Duan , Martin J. Wainwright

Offline policy evaluation (OPE) is considered a fundamental and challenging problem in reinforcement learning (RL). This paper focuses on the value estimation of a target policy based on pre-collected data generated from a possibly…

机器学习 · 计算机科学 2022-06-13 Jiayi Wang , Zhengling Qi , Raymond K. W. Wong

Pre-training has been a useful method for learning implicit transferable knowledge and it shows the benefit of offering complementary features across different modalities. Recent work mainly focuses on the modalities such as image and text,…

计算与语言 · 计算机科学 2022-12-09 Ziqi Zhang , Yile Wang , Yue Zhang , Donglin Wang

Offline reinforcement learning (RL) can learn control policies from static datasets but, like standard RL methods, it requires reward annotations for every transition. In many cases, labeling large datasets with rewards may be costly,…

机器学习 · 计算机科学 2022-07-11 Tianhe Yu , Aviral Kumar , Yevgen Chebotar , Karol Hausman , Chelsea Finn , Sergey Levine

Recently, sequence learning methods have been applied to the problem of off-policy Reinforcement Learning, including the seminal work on Decision Transformers, which employs transformers for this task. Since transformers are…

机器学习 · 计算机科学 2023-06-09 Shmuel Bar-David , Itamar Zimerman , Eliya Nachmani , Lior Wolf

Recent advances in deep learning have shown significant potential for solving combinatorial optimization problems in real-time. Unlike traditional methods, deep learning can generate high-quality solutions efficiently, which is crucial for…

机器学习 · 计算机科学 2025-04-08 Imanol Echeverria , Maialen Murua , Roberto Santana

Drawing upon the intuition that aligning different modalities to the same semantic embedding space would allow models to understand states and actions more easily, we propose a new perspective to the offline reinforcement learning (RL)…

人工智能 · 计算机科学 2024-02-21 Tianyu Zheng , Ge Zhang , Xingwei Qu , Ming Kuang , Stephen W. Huang , Zhaofeng He

Standard reinforcement learning (RL) algorithms assume that the observation of the next state comes instantaneously and at no cost. In a wide variety of sequential decision making tasks ranging from medical treatment to scientific…

人工智能 · 计算机科学 2020-05-27 Colin Bellinger , Rory Coles , Mark Crowley , Isaac Tamblyn