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Despite the recent advancements in offline reinforcement learning via supervised learning (RvS) and the success of the decision transformer (DT) architecture in various domains, DTs have fallen short in several challenging benchmarks. The…

机器学习 · 计算机科学 2023-11-21 Anirudhan Badrinath , Yannis Flet-Berliac , Allen Nie , Emma Brunskill

The proliferation of diverse wireless services in 5G and beyond has led to the emergence of network slicing technologies. Among these, admission control plays a crucial role in achieving service-oriented optimization goals through the…

机器学习 · 计算机科学 2024-10-11 Zhenyu Tao , Wei Xu , Xiaohu You

Generative models such as diffusion have been employed as world models in offline reinforcement learning to generate synthetic data for more effective learning. Existing work either generates diffusion models one-time prior to training or…

机器学习 · 计算机科学 2024-05-31 Zeyu Fang , Tian Lan

Large transformer models pretrained on offline reinforcement learning datasets have demonstrated remarkable in-context reinforcement learning (ICRL) capabilities, where they can make good decisions when prompted with interaction…

机器学习 · 计算机科学 2024-05-28 Licong Lin , Yu Bai , Song Mei

Offline reinforcement learning (RL) represents a significant shift in RL research, allowing agents to learn from pre-collected datasets without further interaction with the environment. A key, yet underexplored, challenge in offline RL is…

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

We consider a joint uplink and downlink scheduling problem of a fully distributed wireless networked control system (WNCS) with a limited number of frequency channels. Using elements of stochastic systems theory, we derive a sufficient…

系统与控制 · 电气工程与系统科学 2025-05-20 Gaoyang Pang , Kang Huang , Daniel E. Quevedo , Branka Vucetic , Yonghui Li , Wanchun Liu

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

Reinforcement learning (RL) has shown significant promise for sequential portfolio optimization tasks, such as stock trading, where the objective is to maximize cumulative returns while minimizing risks using historical data. However,…

机器学习 · 计算机科学 2025-05-20 Haochen Yuan , Minting Pan , Yunbo Wang , Siyu Gao , Philip S. Yu , Xiaokang Yang

In this paper we consider the basic version of Reinforcement Learning (RL) that involves computing optimal data driven (adaptive) policies for Markovian decision process with unknown transition probabilities. We provide a brief survey of…

机器学习 · 计算机科学 2019-09-16 Wesley Cowan , Michael N. Katehakis , Daniel Pirutinsky

Reinforcement learning-based recommender systems have recently gained popularity. However, the design of the reward function, on which the agent relies to optimize its recommendation policy, is often not straightforward. Exploring the…

信息检索 · 计算机科学 2023-08-29 Siyu Wang , Xiaocong Chen , Dietmar Jannach , Lina Yao

Reinforcement Learning (RL) applied in healthcare can lead to unsafe medical decisions and treatment, such as excessive dosages or abrupt changes, often due to agents overlooking common-sense constraints. Consequently, Constrained…

机器学习 · 计算机科学 2024-10-15 Nan Fang , Guiliang Liu , Wei Gong

Securing long-term success is the ultimate aim of recommender systems, demanding strategies capable of foreseeing and shaping the impact of decisions on future user satisfaction. Current recommendation strategies grapple with two…

信息检索 · 计算机科学 2025-01-14 Chongming Gao , Kexin Huang , Ziang Fei , Jiaju Chen , Jiawei Chen , Jianshan Sun , Shuchang Liu , Qingpeng Cai , Peng Jiang

Offline reinforcement learning (RL) promises the ability to learn effective policies solely using existing, static datasets, without any costly online interaction. To do so, offline RL methods must handle distributional shift between the…

机器学习 · 计算机科学 2023-10-31 Joey Hong , Aviral Kumar , Sergey Levine

Studying how to fine-tune offline reinforcement learning (RL) pre-trained policy is profoundly significant for enhancing the sample efficiency of RL algorithms. However, directly fine-tuning pre-trained policies often results in sub-optimal…

机器学习 · 计算机科学 2024-05-29 Ziqi Zhang , Xiao Xiong , Zifeng Zhuang , Jinxin Liu , Donglin Wang

Reinforcement Learning (RL) plays a crucial role in aligning large language models (LLMs) with human preferences and improving their ability to perform complex tasks. However, current approaches either require significant computational…

机器学习 · 计算机科学 2025-02-12 Kaixuan Ji , Guanlin Liu , Ning Dai , Qingping Yang , Renjie Zheng , Zheng Wu , Chen Dun , Quanquan Gu , Lin Yan

Recent advancements in state-of-the-art (SOTA) offline reinforcement learning (RL) have primarily focused on addressing function approximation errors, which contribute to the overestimation of Q-values for out-of-distribution actions, a…

机器学习 · 计算机科学 2025-05-01 Pulkit Agrawal , Rukma Talwadker , Aditya Pareek , Tridib Mukherjee

Offline reinforcement learning (RL) looks at learning how to optimally solve tasks using a fixed dataset of interactions from the environment. Many off-policy algorithms developed for online learning struggle in the offline setting as they…

机器学习 · 计算机科学 2025-03-18 Natinael Solomon Neggatu , Jeremie Houssineau , Giovanni Montana

This paper introduces Consistency Trajectory Planning (CTP), a novel offline model-based reinforcement learning method that leverages the recently proposed Consistency Trajectory Model (CTM) for efficient trajectory optimization. While…

人工智能 · 计算机科学 2025-07-15 Guanquan Wang , Takuya Hiraoka , Yoshimasa Tsuruoka

This study focuses on the development of a simulation-driven reinforcement learning (RL) framework for optimizing routing decisions in complex queueing network systems, with a particular emphasis on manufacturing and communication…

人工智能 · 计算机科学 2025-07-28 Fatima Al-Ani , Molly Wang , Jevon Charles , Aaron Ong , Joshua Forday , Vinayak Modi