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Deep Reinforcement Learning (DRL) has shown its promising capabilities to learn optimal policies directly from trial and error. However, learning can be hindered if the goal of the learning, defined by the reward function, is "not optimal".…

人工智能 · 计算机科学 2019-10-09 Yizheng Zhang , Andre Rosendo

Large language models (LLMs) are inherently vulnerable to unintended privacy breaches. Consequently, systematic red-teaming research is essential for developing robust defense mechanisms. However, current data extraction methods suffer from…

机器学习 · 计算机科学 2025-05-13 Zhiqiang Wang , Ruoxi Cheng

The combination of multiple-input multiple-output (MIMO) systems and intelligent reflecting surfaces (IRSs) is foreseen as a critical enabler of beyond 5G (B5G) and 6G. In this work, two different approaches are considered for the joint…

信息论 · 计算机科学 2024-01-31 Dariel Pereira-Ruisánchez , Óscar Fresnedo , Darian Pérez-Adán , Luis Castedo

The recent advancement of Large Language Models (LLMs) has established their potential as autonomous interactive agents. However, they often struggle in strategic games of incomplete information, such as bilateral price negotiation. In this…

人工智能 · 计算机科学 2026-04-14 Shuze Daniel Liu , Claire Chen , Jiabao Sean Xiao , Lei Lei , Yuheng Zhang , Yisong Yue , David Simchi-Levi

In-context learning (ICL) has emerged as a powerful paradigm leveraging LLMs for specific downstream tasks by utilizing labeled examples as demonstrations (demos) in the preconditioned prompts. Despite its promising performance, crafted…

机器学习 · 计算机科学 2025-05-30 Xiangyu Zhou , Yao Qiang , Saleh Zare Zade , Prashant Khanduri , Dongxiao Zhu

Collaborative edge computing uses edge nodes in different locations to execute tasks, necessitating dynamic task offloading decisions to maintain low latency and high reliability, especially under unpredictable node failures. Although deep…

分布式、并行与集群计算 · 计算机科学 2026-05-08 Hao Guo , Kaixiang Xv , Ziwu Ge , Lei Yang

Advances in reinforcement learning research have demonstrated the ways in which different agent-based models can learn how to optimally perform a task within a given environment. Reinforcement leaning solves unsupervised problems where…

机器学习 · 计算机科学 2022-11-03 Herkulaas Combrink , Vukosi Marivate , Benjamin Rosman

In-context learning (ICL) has proven to be a significant capability with the advancement of Large Language models (LLMs). By instructing LLMs using few-shot demonstrative examples, ICL enables them to perform a wide range of tasks without…

计算与语言 · 计算机科学 2024-08-21 Quanyu Long , Jianda Chen , Wenya Wang , Sinno Jialin Pan

We consider the problem of preference based reinforcement learning (PbRL), where, unlike traditional reinforcement learning, an agent receives feedback only in terms of a 1 bit (0/1) preference over a trajectory pair instead of absolute…

机器学习 · 计算机科学 2023-02-07 Aldo Pacchiano , Aadirupa Saha , Jonathan Lee

In-context Learning (ICL) has emerged as a powerful capability alongside the development of scaled-up large language models (LLMs). By instructing LLMs using few-shot demonstrative examples, ICL enables them to perform a wide range of tasks…

计算与语言 · 计算机科学 2024-07-24 Quanyu Long , Yin Wu , Wenya Wang , Sinno Jialin Pan

Despite their success in many domains, large language models (LLMs) remain under-studied in scenarios requiring optimal decision-making under uncertainty. This is crucial as many real-world applications, ranging from personalized…

机器学习 · 计算机科学 2025-07-15 Allen Nie , Yi Su , Bo Chang , Jonathan N. Lee , Ed H. Chi , Quoc V. Le , Minmin Chen

We consider the recently proposed reinforcement learning (RL) framework of Contextual Markov Decision Processes (CMDP), where the agent interacts with a (potentially adversarial) sequence of episodic tabular MDPs. In addition, a context…

机器学习 · 计算机科学 2020-06-19 Aditya Modi , Ambuj Tewari

Large AI Model (LAM) have been proposed to applications of Non-Terrestrial Networks (NTN), that offer better performance with its great generalization and reduced task specific trainings. In this paper, we propose a Deep Reinforcement…

人工智能 · 计算机科学 2026-01-14 Abdikarim Mohamed Ibrahim , Rosdiadee Nordin

In recent years, reinforcement learning (RL) has gained popularity and has been applied to a wide range of tasks. One such popular domain where RL has been effective is resource management problems in systems. We look to extend work on RL…

机器学习 · 计算机科学 2025-10-09 Arisrei Lim , Abhiram Maddukuri

Preference-based reinforcement learning is an effective way to handle tasks where rewards are hard to specify but can be exceedingly inefficient as preference learning is often tabula rasa. We demonstrate that Large Language Models (LLMs)…

人工智能 · 计算机科学 2025-04-04 Chao Yu , Qixin Tan , Hong Lu , Jiaxuan Gao , Xinting Yang , Yu Wang , Yi Wu , Eugene Vinitsky

Contextual multinomial logit (MNL) bandits capture many real-world assortment recommendation problems such as online retailing/advertising. However, prior work has only considered (generalized) linear value functions, which greatly limits…

机器学习 · 计算机科学 2024-02-20 Mengxiao Zhang , Haipeng Luo

Learning from human feedback plays an important role in aligning generative models, such as large language models (LLM). However, the effectiveness of this approach can be influenced by adversaries, who may intentionally provide misleading…

机器学习 · 计算机科学 2025-11-13 Qiwei Di , Jiafan He , Quanquan Gu

Reinforcement learning (RL) offers significant promise for machinery fault detection (MFD). However, most existing RL-based MFD approaches do not fully exploit RL's sequential decision-making strengths, often treating MFD as a simple…

机器学习 · 计算机科学 2026-02-27 Dhiraj Neupane , Richard Dazeley , Mohamed Reda Bouadjenek , Sunil Aryal

In Imitation Learning (IL), utilizing suboptimal and heterogeneous demonstrations presents a substantial challenge due to the varied nature of real-world data. However, standard IL algorithms consider these datasets as homogeneous, thereby…

机器学习 · 计算机科学 2024-12-16 Mark Beliaev , Ramtin Pedarsani

While Large Language Model (LLM) agents excel at general tasks, they inherently struggle with continual adaptation due to the frozen weights after deployment. Conventional reinforcement learning (RL) offers a solution but incurs prohibitive…

机器学习 · 计算机科学 2026-01-27 Yibo Li , Zijie Lin , Ailin Deng , Xuan Zhang , Yufei He , Shuo Ji , Tri Cao , Bryan Hooi