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Related papers: Sparse Rewards Can Self-Train Dialogue Agents

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Recent advances in Large Language Model (LLM) agents have demonstrated their promising general capabilities. However, their performance in specialized real-world domains often degrades due to challenges in effectively integrating external…

Computation and Language · Computer Science 2025-10-10 Yuzheng Cai , Siqi Cai , Yuchen Shi , Zihan Xu , Lichao Chen , Yulei Qin , Xiaoyu Tan , Gang Li , Zongyi Li , Haojia Lin , Yong Mao , Ke Li , Xing Sun

Enabling large language models (LLMs) to utilize search tools offers a promising path to overcoming fundamental limitations such as knowledge cutoffs and hallucinations. Recent work has explored reinforcement learning (RL) for training…

Artificial Intelligence · Computer Science 2025-10-07 Yiding Wang , Zhepei Wei , Xinyu Zhu , Yu Meng

The future of conversational agents will provide users with personalized information responses. However, a significant challenge in developing models is the lack of large-scale dialogue datasets that span multiple sessions and reflect…

Information Retrieval · Computer Science 2024-05-07 Hideaki Joko , Shubham Chatterjee , Andrew Ramsay , Arjen P. de Vries , Jeff Dalton , Faegheh Hasibi

Guiding large language models with a selected set of human-authored demonstrations is a common practice for improving LLM applications. However, human effort can be costly, especially in specialized domains (e.g., clinical diagnosis), and…

Artificial Intelligence · Computer Science 2024-08-23 Kai Tzu-iunn Ong , Taeyoon Kwon , Jinyoung Yeo

Improving Large Language Model (LLM) agents for sequential decision-making tasks typically requires extensive task-specific knowledge engineering--custom prompts, curated examples, and specialized observation/action spaces. We investigate a…

Machine Learning · Computer Science 2025-05-20 Vishnu Sarukkai , Zhiqiang Xie , Kayvon Fatahalian

Communication-efficient distributed training algorithms have received considerable interest recently due to their benefits for training Large Language Models (LLMs) in bandwidth-constrained settings, such as across datacenters and over the…

Machine Learning · Computer Science 2025-11-07 Amir Sarfi , Benjamin Thérien , Joel Lidin , Eugene Belilovsky

The evolution of Large Language Models (LLMs) into autonomous agents necessitates the management of extensive, dynamic contexts. Current benchmarks, however, remain largely static, relying on passive retrieval tasks that fail to simulate…

Computation and Language · Computer Science 2026-02-02 Shicheng Fang , Yuxin Wang , Xiaoran Liu , Jiahao Lu , Chuanyuan Tan , Xinchi Chen , Yining Zheng , Xuanjing Huang , Xipeng Qiu

Large language model (LLM)-based Multi-agent systems (MAS) have shown promise in tackling complex collaborative tasks, where agents are typically orchestrated via role-specific prompts. While the quality of these prompts is pivotal, jointly…

Artificial Intelligence · Computer Science 2026-05-11 Zhexuan Wang , Xuebo Liu , Li Wang , Zifei Shan , Yutong Wang , Zhenxi Song , Min Zhang

One of the difficulties in training dialogue systems is the lack of training data. We explore the possibility of creating dialogue data through the interaction between a dialogue system and a user simulator. Our goal is to develop a…

Computation and Language · Computer Science 2021-07-27 Bo-Hsiang Tseng , Yinpei Dai , Florian Kreyssig , Bill Byrne

Large Language Models (LLMs) have demonstrated remarkable progress in complex reasoning tasks through both post-training and test-time scaling laws. While prevalent test-time scaling approaches are often realized by using external reward…

Machine Learning · Computer Science 2025-10-31 Fuxiang Zhang , Jiacheng Xu , Chaojie Wang , Ce Cui , Yang Liu , Bo An

For task-oriented dialog systems, training a Reinforcement Learning (RL) based Dialog Management module suffers from low sample efficiency and slow convergence speed due to the sparse rewards in RL.To solve this problem, many strategies…

Computation and Language · Computer Science 2021-04-13 Zhengxu Hou , Bang Liu , Ruihui Zhao , Zijing Ou , Yafei Liu , Xi Chen , Yefeng Zheng

Recent advancements in large language models (LLMs) have led to their increased application across various tasks, with reinforcement learning from human feedback (RLHF) being a crucial part of their training to align responses with user…

Computation and Language · Computer Science 2024-10-29 Ben Hauptvogel , Malte Ostendorff , Georg Rehm , Sebastian Möller

End-to-end task bots are typically learned over a static and usually limited-size corpus. However, when deployed in dynamic, changing, and open environments to interact with users, task bots tend to fail when confronted with data that…

Computation and Language · Computer Science 2022-12-29 Xiaoying Zhang , Baolin Peng , Jianfeng Gao , Helen Meng

While multi-agent systems have been shown to significantly enhance the performance of Large Language Models (LLMs) across various tasks and applications, the dense interaction between scaling agents potentially hampers their efficiency and…

Artificial Intelligence · Computer Science 2024-11-06 Dawei Li , Zhen Tan , Peijia Qian , Yifan Li , Kumar Satvik Chaudhary , Lijie Hu , Jiayi Shen

In recent research advancements within the community, large language models (LLMs) have sparked great interest in creating autonomous agents. However, current prompt-based agents often heavily rely on large-scale LLMs. Meanwhile, although…

Computation and Language · Computer Science 2025-03-04 Xueyang Feng , Bo Lan , Quanyu Dai , Lei Wang , Jiakai Tang , Xu Chen , Zhenhua Dong , Ji-Rong Wen

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…

Artificial Intelligence · Computer Science 2024-12-30 Ziqi Zhou , Jingyue Zhang , Jingyuan Zhang , Yangfan He , Boyue Wang , Tianyu Shi , Alaa Khamis

Recent progress in multimodal large language models has led to strong performance on reasoning tasks, but these improvements largely rely on high-quality annotated data or teacher-model distillation, both of which are costly and difficult…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Zhengxian Wu , Kai Shi , Chuanrui Zhang , Zirui Liao , Jun Yang , Ni Yang , Qiuying Peng , Luyuan Zhang , Hangrui Xu , Tianhuang Su , Zhenyu Yang , Haonan Lu , Haoqian Wang

We introduce Learning to Self-Evolve (LSE), a reinforcement learning framework that trains large language models (LLMs) to improve their own contexts at test time. We situate LSE in the setting of test-time self-evolution, where a model…

Computation and Language · Computer Science 2026-03-20 Xiaoyin Chen , Canwen Xu , Yite Wang , Boyi Liu , Zhewei Yao , Yuxiong He

We study estimation and statistical inference for reward models used in aligning large language models (LLMs). A key component of LLM alignment is reinforcement learning from human feedback (RLHF), where humans compare pairs of…

Machine Learning · Statistics 2025-12-04 Pangpang Liu , Junwei Lu , Will Wei Sun

Effective tool use is essential for large language models (LLMs) to interact with their environment. However, progress is limited by the lack of efficient reinforcement learning (RL) frameworks specifically designed for tool use, due to…

Computation and Language · Computer Science 2026-04-16 Junjie Ye , Changhao Jiang , Zhengyin Du , Yufei Xu , Xuesong Yao , Zhiheng Xi , Xiaoran Fan , Qi Zhang , Tao Gui , Xuanjing Huang , Jiecao Chen