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Related papers: A Tractable Inference Perspective of Offline RL

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Reinforcement Learning from Human Feedback (RLHF) has emerged as a powerful approach for aligning generative models, but its reliance on learned reward models makes it vulnerable to mis-specification and reward hacking. Preference-based…

Machine Learning · Computer Science 2026-04-23 Akhil Agnihotri , Rahul Jain , Deepak Ramachandran , Zheng Wen

Several recent works have proposed a class of algorithms for the offline reinforcement learning (RL) problem that we will refer to as return-conditioned supervised learning (RCSL). RCSL algorithms learn the distribution of actions…

Machine Learning · Computer Science 2023-01-12 David Brandfonbrener , Alberto Bietti , Jacob Buckman , Romain Laroche , Joan Bruna

Reinforcement Learning (RL) offers a powerful framework for optimizing dynamic treatment regimes (DTRs). However, clinical RL is fundamentally bottlenecked by reward engineering: the challenge of defining signals that safely and effectively…

Machine Learning · Computer Science 2026-02-05 Qianyi Xu , Gousia Habib , Feng Wu , Yanrui Du , Zhihui Chen , Swapnil Mishra , Dilruk Perera , Mengling Feng

Pretraining reinforcement learning (RL) models on offline datasets is a promising way to improve their training efficiency in online tasks, but challenging due to the inherent mismatch in dynamics and behaviors across various tasks. We…

Machine Learning · Computer Science 2024-06-06 Minting Pan , Yitao Zheng , Yunbo Wang , Xiaokang Yang

Offline reinforcement learning (RL) aims to optimize a policy using collected data without online interactions. Model-based approaches are particularly appealing for addressing offline RL challenges because of their capability to mitigate…

Machine Learning · Computer Science 2026-04-14 Hao Li , Xiao-Hu Zhou , Shu-Hai Li , Mei-Jiang Gui , Xiao-Liang Xie , Shi-Qi Liu , Shuang-Yi Wang , Zhen-Qiu Feng , Zeng-Guang Hou

Offline policy learning is aimed at learning decision-making policies using existing datasets of trajectories without collecting additional data. The primary motivation for using reinforcement learning (RL) instead of supervised learning…

Online reinforcement learning (RL) excels in complex, safety-critical domains but suffers from sample inefficiency, training instability, and limited interpretability. Data attribution provides a principled way to trace model behavior back…

Machine Learning · Computer Science 2025-10-07 Yuzheng Hu , Fan Wu , Haotian Ye , David Forsyth , James Zou , Nan Jiang , Jiaqi W. Ma , Han Zhao

Offline Reinforcement Learning (RL) is a promising approach for next-generation wireless networks, where online exploration is unsafe and large amounts of operational data can be reused across the model lifecycle. However, the behavior of…

Networking and Internet Architecture · Computer Science 2026-03-05 Nicolas Helson , Pegah Alizadeh , Anastasios Giovanidis

Offline reinforcement learning (RL) has increasingly become the focus of the artificial intelligent research due to its wide real-world applications where the collection of data may be difficult, time-consuming, or costly. In this paper, we…

Machine Learning · Computer Science 2021-05-13 Chenyang Xi , Bo Tang , Jiajun Shen , Xinfu Liu , Feiyu Xiong , Xueying Li

In offline reinforcement learning, agents are trained using only a fixed set of stored transitions derived from a source policy. However, this requires that the dataset be labeled by a reward function. In applied settings such as video game…

Machine Learning · Computer Science 2025-06-30 Alessandro Sestini , Joakim Bergdahl , Konrad Tollmar , Andrew D. Bagdanov , Linus Gisslén

Online advertising in recommendation platforms has gained significant attention, with a predominant focus on channel recommendation and budget allocation strategies. However, current offline reinforcement learning (RL) methods face…

Information Retrieval · Computer Science 2025-07-10 Langming Liu , Wanyu Wang , Chi Zhang , Bo Li , Hongzhi Yin , Xuetao Wei , Wenbo Su , Bo Zheng , Xiangyu Zhao

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…

Machine Learning · Computer Science 2023-01-31 Qin Zhang , Linrui Zhang , Haoran Xu , Li Shen , Bowen Wang , Yongzhe Chang , Xueqian Wang , Bo Yuan , Dacheng Tao

The success of deep reinforcement learning (DRL) relies on the availability and quality of training data, often requiring extensive interactions with specific environments. In many real-world scenarios, where data collection is costly and…

Machine Learning · Computer Science 2025-04-15 Amir Abolfazli , Zekun Song , Avishek Anand , Wolfgang Nejdl

In this work, we address the problem of determining reliable policies in reinforcement learning (RL), with a focus on optimization under uncertainty and the need for performance guarantees. While classical RL algorithms aim at maximizing…

Machine Learning · Computer Science 2025-10-22 Nadir Farhi

The application of Reinforcement Learning (RL) in real world environments can be expensive or risky due to sub-optimal policies during training. In Offline RL, this problem is avoided since interactions with an environment are prohibited.…

Offline reinforcement learning (RL) learns effective policies from a static target dataset. The performance of state-of-the-art offline RL algorithms notwithstanding, it relies on the size of the target dataset, and it degrades if limited…

Machine Learning · Computer Science 2026-02-10 Weiqin Chen , Xinjie Zhang , Sandipan Mishra , Santiago Paternain

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…

Machine Learning · Computer Science 2022-10-13 Shentao Yang , Shujian Zhang , Yihao Feng , Mingyuan Zhou

Offline reinforcement learning (RL) extends the paradigm of classical RL algorithms to purely learning from static datasets, without interacting with the underlying environment during the learning process. A key challenge of offline RL is…

Machine Learning · Computer Science 2022-06-16 Shentao Yang , Yihao Feng , Shujian Zhang , Mingyuan Zhou

Offline Reinforcement Learning (RL) aims to learn a near-optimal policy from a fixed dataset of transitions collected by another policy. This problem has attracted a lot of attention recently, but most existing methods with strong…

Machine Learning · Computer Science 2023-05-23 Germano Gabbianelli , Gergely Neu , Nneka Okolo , Matteo Papini

Inverse Reinforcement Learning (IRL) -- the problem of learning reward functions from demonstrations of an \emph{expert policy} -- plays a critical role in developing intelligent systems. While widely used in applications, theoretical…

Machine Learning · Statistics 2024-02-13 Lei Zhao , Mengdi Wang , Yu Bai