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Performance optimization is a critical concern in networking, on which Deep Reinforcement Learning (DRL) has achieved great success. Nonetheless, DRL training relies on precisely defined reward functions, which formulate the optimization…

网络与互联网体系结构 · 计算机科学 2024-04-03 Yinqiu Liu , Ruichen Zhang , Hongyang Du , Dusit Niyato , Jiawen Kang , Zehui Xiong , Dong In Kim

Path planning for mobile robots in large dynamic environments is a challenging problem, as the robots are required to efficiently reach their given goals while simultaneously avoiding potential conflicts with other robots or dynamic…

机器人学 · 计算机科学 2020-09-15 Binyu Wang , Zhe Liu , Qingbiao Li , Amanda Prorok

One of the key challenges in current Reinforcement Learning (RL)-based Automated Driving (AD) agents is achieving flexible, precise, and human-like behavior cost-effectively. This paper introduces an innovative approach that uses large…

人工智能 · 计算机科学 2024-12-30 Ziqi Zhou , Jingyue Zhang , Jingyuan Zhang , Yangfan He , Boyue Wang , Tianyu Shi , Alaa Khamis

Reinforcement learning (RL) can align language models with non-differentiable reward signals, such as human preferences. However, a major challenge arises from the sparsity of these reward signals - typically, there is only a single reward…

计算与语言 · 计算机科学 2024-02-20 Meng Cao , Lei Shu , Lei Yu , Yun Zhu , Nevan Wichers , Yinxiao Liu , Lei Meng

Reinforcement learning (RL) algorithms find applications in inventory control, recommender systems, vehicular traffic management, cloud computing and robotics. The real-world complications of many tasks arising in these domains makes them…

机器学习 · 计算机科学 2021-06-03 Sindhu Padakandla

Reinforcement Learning (RL) plays a crucial role in advancing autonomous driving technologies by maximizing reward functions to achieve the optimal policy. However, crafting these reward functions has been a complex, manual process in many…

人工智能 · 计算机科学 2024-06-18 Xu Han , Qiannan Yang , Xianda Chen , Xiaowen Chu , Meixin Zhu

Deep Research agents tackle knowledge-intensive tasks through multi-round retrieval and decision-oriented generation. While reinforcement learning (RL) has been shown to improve performance in this paradigm, its contributions remain…

计算与语言 · 计算机科学 2026-02-24 Yinuo Xu , Shuo Lu , Jianjie Cheng , Meng Wang , Qianlong Xie , Xingxing Wang , Ran He , Jian Liang

A promising approach for improving reasoning in large language models is to use process reward models (PRMs). PRMs provide feedback at each step of a multi-step reasoning trace, potentially improving credit assignment over outcome reward…

While reinforcement learning (RL) demonstrated remarkable success in enhancing the reasoning capabilities of language models, the training dynamics of RL in LLMs remain unclear. In this work, we provide an explanation of the RL training…

机器学习 · 计算机科学 2025-09-30 Xingwu Chen , Tianle Li , Difan Zou

Deep Reinforcement Learning (or just "RL") is gaining popularity for industrial and research applications. However, it still suffers from some key limits slowing down its widespread adoption. Its performance is sensitive to initial…

机器学习 · 计算机科学 2022-08-31 Pierrick Pochelu , Serge G. Petiton , Bruno Conche

Modern Reinforcement Learning (RL) algorithms promise to solve difficult motor control problems directly from raw sensory inputs. Their attraction is due in part to the fact that they can represent a general class of methods that allow to…

Reinforcement learning (RL) enables agents to take decision based on a reward function. However, in the process of learning, the choice of values for learning algorithm parameters can significantly impact the overall learning process. In…

神经与进化计算 · 计算机科学 2019-05-13 Adarsh Sehgal , Hung Manh La , Sushil J. Louis , Hai Nguyen

The goal of inverse reinforcement learning (IRL) is to infer a reward function that explains the behavior of an agent performing a task. The assumption that most approaches make is that the demonstrated behavior is near-optimal. In many…

机器学习 · 计算机科学 2020-11-20 Luis Haug , Ivan Ovinnikov , Eugene Bykovets

Reinforcement Learning with Verifiable Rewards (RLVR) has catalyzed significant breakthroughs in complex LLM reasoning within verifiable domains, such as mathematics and programming. Recent efforts have sought to extend this paradigm to…

机器学习 · 计算机科学 2026-02-03 Zheng Zhang , Ao Lu , Yuanhao Zeng , Ziwei Shan , Jinjin Guo , Lufei Li , Yexin Li , Kan Ren

Automated penetration testing (AutoPT) based on reinforcement learning (RL) has proven its ability to improve the efficiency of vulnerability identification in information systems. However, RL-based PT encounters several challenges,…

人工智能 · 计算机科学 2024-05-28 Yuanliang Li , Hanzheng Dai , Jun Yan

Inverse reinforcement learning (IRL) infers a reward function from demonstrations, allowing for policy improvement and generalization. However, despite much recent interest in IRL, little work has been done to understand the minimum set of…

机器学习 · 计算机科学 2019-08-19 Daniel S. Brown , Scott Niekum

In the landscape of Recommender System (RS) applications, reinforcement learning (RL) has recently emerged as a powerful tool, primarily due to its proficiency in optimizing long-term rewards. Nevertheless, it suffers from instability in…

信息检索 · 计算机科学 2024-06-11 Ziru Liu , Shuchang Liu , Zijian Zhang , Qingpeng Cai , Xiangyu Zhao , Kesen Zhao , Lantao Hu , Peng Jiang , Kun Gai

We study the problem of deployment efficient reinforcement learning (RL) with linear function approximation under the \emph{reward-free} exploration setting. This is a well-motivated problem because deploying new policies is costly in…

机器学习 · 计算机科学 2023-02-23 Dan Qiao , Yu-Xiang Wang

Reinforcement learning based fine-tuning of large language models (LLMs) on human preferences has been shown to enhance both their capabilities and safety behavior. However, in cases related to safety, without precise instructions to human…

The alignment of Large Language Models (LLMs) is critically dependent on reward models trained on costly human preference data. While recent work explores bypassing this cost with AI feedback, these methods often lack a rigorous theoretical…

计算与语言 · 计算机科学 2025-07-01 Yi-Chen Li , Tian Xu , Yang Yu , Xuqin Zhang , Xiong-Hui Chen , Zhongxiang Ling , Ningjing Chao , Lei Yuan , Zhi-Hua Zhou