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相关论文: Augmenting Offline RL with Unlabeled Data

200 篇论文

Meta-reinforcement learning (RL) methods can meta-train policies that adapt to new tasks with orders of magnitude less data than standard RL, but meta-training itself is costly and time-consuming. If we can meta-train on offline data, then…

机器学习 · 计算机科学 2022-07-08 Vitchyr H. Pong , Ashvin Nair , Laura Smith , Catherine Huang , Sergey Levine

Offline reinforcement learning (RL) refers to the problem of learning policies from a static dataset of environment interactions. Offline RL enables extensive use and re-use of historical datasets, while also alleviating safety concerns…

机器学习 · 计算机科学 2020-12-22 Rafael Rafailov , Tianhe Yu , Aravind Rajeswaran , Chelsea Finn

Model-based offline reinforcement learning (RL), which builds a supervised transition model with logging dataset to avoid costly interactions with the online environment, has been a promising approach for offline policy optimization. As the…

机器学习 · 计算机科学 2023-09-06 Junming Yang , Xingguo Chen , Shengyuan Wang , Bolei Zhang

Recent work has shown that offline reinforcement learning (RL) can be formulated as a sequence modeling problem (Chen et al., 2021; Janner et al., 2021) and solved via approaches similar to large-scale language modeling. However, any…

机器学习 · 计算机科学 2022-07-14 Qinqing Zheng , Amy Zhang , Aditya Grover

In offline model-based reinforcement learning (offline MBRL), we learn a dynamic model from historically collected data, and subsequently utilize the learned model and fixed datasets for policy learning, without further interacting with the…

机器学习 · 计算机科学 2022-10-13 Shentao Yang , Shujian Zhang , Yihao Feng , Mingyuan Zhou

The offline reinforcement learning (RL) setting (also known as full batch RL), where a policy is learned from a static dataset, is compelling as progress enables RL methods to take advantage of large, previously-collected datasets, much…

机器学习 · 计算机科学 2021-02-09 Justin Fu , Aviral Kumar , Ofir Nachum , George Tucker , Sergey Levine

Out-of-Distribution (OOD) detection is essential in real-world applications, which has attracted increasing attention in recent years. However, most existing OOD detection methods require many labeled In-Distribution (ID) data, causing a…

机器学习 · 计算机科学 2022-10-14 Yi-Xuan Sun , Wei Wang

Offline Meta Reinforcement Learning (OMRL) aims to learn transferable knowledge from offline datasets to enhance the learning process for new target tasks. Context-based Reinforcement Learning (RL) adopts a context encoder to expediently…

机器学习 · 计算机科学 2023-05-24 Chenyang Zhao , Zihao Zhou , Bin Liu

Offline reinforcement learning (RL) is a variant of RL where the policy is learned from a previously collected dataset of trajectories and rewards. In our work, we propose a practical approach to offline RL with large language models…

Offline goal-conditioned RL (GCRL) offers a way to train general-purpose agents from fully offline datasets. In addition to being conservative within the dataset, the generalization ability to achieve unseen goals is another fundamental…

机器学习 · 计算机科学 2023-06-05 Rui Yang , Yong Lin , Xiaoteng Ma , Hao Hu , Chongjie Zhang , Tong Zhang

Most Reinforcement Learning (RL) methods are traditionally studied in an active learning setting, where agents directly interact with their environments, observe action outcomes, and learn through trial and error. However, allowing…

人工智能 · 计算机科学 2023-10-16 Maryam Zare , Parham M. Kebria , Abbas Khosravi

Existing offline reinforcement learning (RL) methods face a few major challenges, particularly the distributional shift between the learned policy and the behavior policy. Offline Meta-RL is emerging as a promising approach to address these…

机器学习 · 计算机科学 2022-07-14 Sen Lin , Jialin Wan , Tengyu Xu , Yingbin Liang , Junshan Zhang

Offline reinforcement learning (RL) aims at learning policies from previously collected static trajectory data without interacting with the real environment. Recent works provide a novel perspective by viewing offline RL as a generic…

机器学习 · 计算机科学 2022-10-19 Kerong Wang , Hanye Zhao , Xufang Luo , Kan Ren , Weinan Zhang , Dongsheng Li

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

Offline reinforcement learning (RL) aims at learning a good policy from a batch of collected data, without extra interactions with the environment during training. However, current offline RL benchmarks commonly have a large reality gap,…

机器学习 · 计算机科学 2021-02-09 Rongjun Qin , Songyi Gao , Xingyuan Zhang , Zhen Xu , Shengkai Huang , Zewen Li , Weinan Zhang , Yang Yu

Offline reinforcement learning (RL) seeks to learn optimal policies from static datasets without interacting with the environment. A common challenge is handling multi-modal action distributions, where multiple behaviours are represented in…

机器学习 · 计算机科学 2025-03-20 Mianchu Wang , Yue Jin , Giovanni Montana

The performance of Offline reinforcement learning is significantly impacted by the issue of state distributional shift, and out-of-distribution (OOD) state correction is a popular approach to address this problem. In this paper, we propose…

机器学习 · 计算机科学 2025-07-09 Ke Jiang , Wen Jiang , Xiaoyang Tan

Offline reinforcement learning proposes to learn policies from large collected datasets without interacting with the physical environment. These algorithms have made it possible to learn useful skills from data that can then be deployed in…

机器学习 · 计算机科学 2021-07-06 Samarth Sinha , Ajay Mandlekar , Animesh Garg

Reinforcement learning (RL) in the real world necessitates the development of procedures that enable agents to explore without causing harm to themselves or others. The most successful solutions to the problem of safe RL leverage offline…

机器学习 · 计算机科学 2025-01-09 Alexander Quessy , Thomas Richardson , Sebastian East

Offline goal-conditioned reinforcement learning (GCRL) is a major problem in reinforcement learning (RL) because it provides a simple, unsupervised, and domain-agnostic way to acquire diverse behaviors and representations from unlabeled…

机器学习 · 计算机科学 2025-02-14 Seohong Park , Kevin Frans , Benjamin Eysenbach , Sergey Levine