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Reinforcement learning (RL) commonly relies on scalar rewards with limited ability to express temporal, conditional, or safety-critical goals, and can lead to reward hacking. Temporal logic expressible via the more general class of…

人工智能 · 计算机科学 2025-11-26 Dominik Wagner , Leon Witzman , Luke Ong

Recently, collaborative robots have begun to train humans to achieve complex tasks, and the mutual information exchange between them can lead to successful robot-human collaborations. In this paper we demonstrate the application and…

机器人学 · 计算机科学 2019-09-24 Sayanti Roy , Emily Kieson , Charles Abramson , Christopher Crick

As a paradigm shift towards pervasive intelligence, semantic communication (SemCom) has shown great potentials to improve communication efficiency and provide user-centric services by delivering task-oriented semantic meanings. However, the…

信号处理 · 电气工程与系统科学 2025-05-02 Hao Wei , Wen Wang , Wanli Ni , Wenjun Xu , Yongming Huang , Dusit Niyato , Ping Zhang

Deep reinforcement learning has been applied successfully to solve various real-world problems and the number of its applications in the multi-agent settings has been increasing. Multi-agent learning distinctly poses significant challenges…

机器学习 · 计算机科学 2021-02-24 Ngoc Duy Nguyen , Thanh Thi Nguyen , Doug Creighton , Saeid Nahavandi

In this paper, we consider a point-to-point integrated sensing and communication (ISAC) system, where a transmitter conveys a message to a receiver over a channel with memory and simultaneously estimates the state of the channel through the…

信息论 · 计算机科学 2024-12-03 Homa Nikbakht , Michèle Wigger , Shlomo Shamai , H. Vincent Poor

Multi-Task Learning (MTL) aims to boost predictive performance by sharing information across related tasks, yet conventional methods often suffer from negative transfer when unrelated or noisy tasks are forced to share representations. We…

机器学习 · 计算机科学 2026-02-17 Seyedsaman Emami , Daniel Hernández-Lobato , Gonzalo Martínez-Muñoz

Utilizing Deep Reinforcement Learning (DRL) for Reconfigurable Intelligent Surface (RIS) assisted wireless communication has been extensively researched. However, existing DRL methods either act as a simple optimizer or only solve problems…

系统与控制 · 电气工程与系统科学 2026-01-19 Meng-Qian Alexander Wu , Tzu-Hsien Sang , Luisa Schuhmacher , Ming-Jie Guo , Khodr Hammoud , Sofie Pollin

In recent years, safety risks associated with large language models have become increasingly prominent, highlighting the urgent need to mitigate the generation of toxic and harmful content. The mainstream paradigm for LLM safety alignment…

Semantic communication (SC) aims to reduce transmission overhead by conveying task-relevant information rather than raw data. However, existing SC approaches for video largely focus on pixel-level reconstruction or rely on complex…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Phuc H. Nguyen , Trung T. Nguyen , Quy N. Duong , Van-Dinh Nguyen

The task-oriented semantic communication systems have achieved significant performance gain, however, the paradigm that employs a model for a specific task might be limited, since the system has to be updated once the task is changed or…

信号处理 · 电气工程与系统科学 2022-06-02 Guangyi Zhang , Qiyu Hu , Zhijin Qin , Yunlong Cai , Guanding Yu

Low-resource target-language generation is often limited by scarce parallel data, while high-resource source-language monolingual data is abundant but difficult to use with standard supervised fine-tuning. We propose Source-Grounded…

计算与语言 · 计算机科学 2026-05-29 Zeli Su , Ziyin Zhang , Zewei Pan , Zhou Liu , Dingcheng Huang , Dehan Li , Zhankai Xu , Longfei Zheng , Xiaolu Zhang , Jun Zhou , Wentao Zhang

Learning-task oriented semantic communication is pivotal in optimizing transmission efficiency by extracting and conveying essential semantics tailored to specific tasks, such as image reconstruction and classification. Nevertheless, the…

信息论 · 计算机科学 2024-11-05 Lingyi Wang , Wei Wu , Fuhui Zhou , Zhijin Qin , Qihui Wu

Task-oriented semantic communication has gained increasing attention due to its ability to reduce the amount of transmitted data without sacrificing task performance. Although some prior efforts have been dedicated to developing semantic…

信号处理 · 电气工程与系统科学 2024-05-20 Chuanhong Liu , Caili Guo , Yang Yang , Wanli Ni , Yanquan Zhou , Lei Li , Tony Q. S. Quek

Reinforcement Learning (RL) has achieved significant success in application domains such as robotics, games and health care. However, training RL agents is very time consuming. Current implementations exhibit poor performance due to…

机器学习 · 计算机科学 2021-12-24 Chi Zhang , Sanmukh Rao Kuppannagari , Viktor K Prasanna

State-of-the-art (SOTA) reinforcement learning (RL) methods have enabled vision-language model (VLM) agents to learn from interaction with online environments without human supervision. However, these methods often struggle with learning…

机器学习 · 计算机科学 2025-05-22 Qingyuan Wu , Jianheng Liu , Jianye Hao , Jun Wang , Kun Shao

Reinforcement learning (RL) problems can be challenging without well-shaped rewards. Prior work on provably efficient RL methods generally proposes to address this issue with dedicated exploration strategies. However, another way to tackle…

机器学习 · 计算机科学 2023-06-21 Qiyang Li , Yuexiang Zhai , Yi Ma , Sergey Levine

The increasing prevalence of large language models (LLMs) such as GPT-4 in various applications has led to a surge in the size of prompts required for optimal performance, leading to challenges in computational efficiency. Prompt…

计算与语言 · 计算机科学 2024-12-19 Shivam Shandilya , Menglin Xia , Supriyo Ghosh , Huiqiang Jiang , Jue Zhang , Qianhui Wu , Victor Rühle

Reinforcement learning is an emerging approaches to facilitate multi-stage sequential decision-making problems. This paper studies a real-time multi-stage stochastic power dispatch considering multivariate uncertainties. Current researches…

机器学习 · 计算机科学 2024-01-24 Bairong Deng , Tao Yu , Zhenning Pan , Xuehan Zhang , Yufeng Wu , Qiaoyi Ding

Reinforcement Learning (RL) environments can produce training data with spurious correlations between features due to the amount of training data or its limited feature coverage. This can lead to RL agents encoding these misleading…

机器学习 · 计算机科学 2023-10-13 Mhairi Dunion , Trevor McInroe , Kevin Sebastian Luck , Josiah P. Hanna , Stefano V. Albrecht

Multi-task reinforcement learning (MTRL) has shown great promise in many real-world applications. Existing MTRL algorithms often aim to learn a policy that optimizes individual objective functions simultaneously with a given prior…

机器学习 · 计算机科学 2024-12-24 Yudan Wang , Peiyao Xiao , Hao Ban , Kaiyi Ji , Shaofeng Zou