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相关论文: Integrating Offline Reinforcement Learning with Tr…

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Behavior constrained policy optimization has been demonstrated to be a successful paradigm for tackling Offline Reinforcement Learning. By exploiting historical transitions, a policy is trained to maximize a learned value function while…

机器学习 · 计算机科学 2023-07-25 Jiachen Li , Edwin Zhang , Ming Yin , Qinxun Bai , Yu-Xiang Wang , William Yang Wang

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

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

The potential of offline reinforcement learning (RL) is that high-capacity models trained on large, heterogeneous datasets can lead to agents that generalize broadly, analogously to similar advances in vision and NLP. However, recent works…

机器学习 · 计算机科学 2023-04-19 Aviral Kumar , Rishabh Agarwal , Xinyang Geng , George Tucker , Sergey Levine

In preference-based reinforcement learning (PbRL), a reward function is learned from a type of human feedback called preference. To expedite preference collection, recent works have leveraged \emph{offline preferences}, which are…

机器学习 · 计算机科学 2024-03-18 Guoxi Zhang , Han Bao , Hisashi Kashima

With the recent prevalence of Reinforcement Learning (RL), there have been tremendous interests in utilizing RL for online advertising in recommendation platforms (e.g., e-commerce and news feed sites). However, most RL-based advertising…

信息检索 · 计算机科学 2021-05-06 Xiangyu Zhao , Changsheng Gu , Haoshenglun Zhang , Xiwang Yang , Xiaobing Liu , Jiliang Tang , Hui Liu

In many online applications interactions between a user and a web-service are organized in a sequential way, e.g., user browsing an e-commerce website. In this setting, recommendation system acts throughout user navigation by showing items.…

信息检索 · 计算机科学 2018-09-11 Elena Smirnova

Reliant on too many experiments to learn good actions, current Reinforcement Learning (RL) algorithms have limited applicability in real-world settings, which can be too expensive to allow exploration. We propose an algorithm for batch RL,…

机器学习 · 计算机科学 2021-12-07 Rasool Fakoor , Jonas Mueller , Kavosh Asadi , Pratik Chaudhari , Alexander J. Smola

Reinforcement learning (RL) has proved to have a promising role in future intelligent wireless networks. Online RL has been adopted for radio resource management (RRM), taking over traditional schemes. However, due to its reliance on online…

机器学习 · 计算机科学 2025-01-24 Eslam Eldeeb , Hirley Alves

Offline safe RL is of great practical relevance for deploying agents in real-world applications. However, acquiring constraint-satisfying policies from the fixed dataset is non-trivial for conventional approaches. Even worse, the learned…

机器学习 · 计算机科学 2023-01-31 Qin Zhang , Linrui Zhang , Haoran Xu , Li Shen , Bowen Wang , Yongzhe Chang , Xueqian Wang , Bo Yuan , Dacheng Tao

As humans, our goals and our environment are persistently changing throughout our lifetime based on our experiences, actions, and internal and external drives. In contrast, typical reinforcement learning problem set-ups consider decision…

机器学习 · 计算机科学 2020-06-19 Annie Xie , James Harrison , Chelsea Finn

Evidence-based or data-driven dynamic treatment regimes are essential for personalized medicine, which can benefit from offline reinforcement learning (RL). Although massive healthcare data are available across medical institutions, they…

机器学习 · 统计学 2024-01-30 Doudou Zhou , Yufeng Zhang , Aaron Sonabend-W , Zhaoran Wang , Junwei Lu , Tianxi Cai

Reinforcement learning (RL) provides an appealing formalism for learning control policies from experience. However, the classic active formulation of RL necessitates a lengthy active exploration process for each behavior, making it…

机器学习 · 计算机科学 2021-04-27 Ashvin Nair , Abhishek Gupta , Murtaza Dalal , Sergey Levine

Diffusion and flow models have emerged as powerful generative approaches capable of modeling diverse and multimodal behavior. However, applying these models to offline reinforcement learning (RL) remains challenging due to the iterative…

机器学习 · 计算机科学 2025-05-30 Nicolas Espinosa-Dice , Yiyi Zhang , Yiding Chen , Bradley Guo , Owen Oertell , Gokul Swamy , Kiante Brantley , Wen Sun

This study presents a novel approach to addressing offline reinforcement learning (RL) problems by reframing them as regression tasks that can be effectively solved using Decision Trees. Mainly, we introduce two distinct frameworks:…

机器学习 · 计算机科学 2024-10-16 Prajwal Koirala , Cody Fleming

Offline Reinforcement Learning (RL) is a promising approach for learning optimal policies in environments where direct exploration is expensive or unfeasible. However, the adoption of such policies in practice is often challenging, as they…

机器学习 · 计算机科学 2020-11-03 Aaron Sonabend-W , Junwei Lu , Leo A. Celi , Tianxi Cai , Peter Szolovits

Recommendation systems usually involve exploiting the relations among known features and content that describe items (content-based filtering) or the overlap of similar users who interacted with or rated the target item (collaborative…

人工智能 · 计算机科学 2016-07-06 Shuo Yang , Mohammed Korayem , Khalifeh AlJadda , Trey Grainger , Sriraam Natarajan

Reinforcement learning (RL) has experienced a second wind in the past decade. While incredibly successful in images and videos, these systems still operate within the realm of propositional tasks ignoring the inherent structure that exists…

Reinforcement learning (RL) can be used to learn treatment policies and aid decision making in healthcare. However, given the need for generalization over complex state/action spaces, the incorporation of function approximators (e.g., deep…

机器学习 · 计算机科学 2021-07-26 Shengpu Tang , Jenna Wiens

Offline Reinforcement Learning (RL) aims at learning an optimal control from a fixed dataset, without interactions with the system. An agent in this setting should avoid selecting actions whose consequences cannot be predicted from the…