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Model-based reinforcement learning (RL) has shown great potential in various control tasks in terms of both sample-efficiency and final performance. However, learning a generalizable dynamics model robust to changes in dynamics remains a…

机器学习 · 计算机科学 2020-10-27 Younggyo Seo , Kimin Lee , Ignasi Clavera , Thanard Kurutach , Jinwoo Shin , Pieter Abbeel

Offline reinforcement learning (RL) algorithms have shown promising results in domains where abundant pre-collected data is available. However, prior methods focus on solving individual problems from scratch with an offline dataset without…

机器学习 · 计算机科学 2021-09-17 Tianhe Yu , Aviral Kumar , Yevgen Chebotar , Karol Hausman , Sergey Levine , Chelsea Finn

Unsupervised domain adaptation aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Previous methods focus on learning domain-invariant features to decrease the discrepancy between the feature distributions…

机器学习 · 计算机科学 2021-06-30 Yuntao Du , Yinghao Chen , Fengli Cui , Xiaowen Zhang , Chongjun Wang

Recent works in Reinforcement Learning (RL) combine model-free (Mf)-RL algorithms with model-based (Mb)-RL approaches to get the best from both: asymptotic performance of Mf-RL and high sample-efficiency of Mb-RL. Inspired by these works,…

Recent advances in molecular representation integrates molecular topological and visual modalities, opening new avenues for precise Molecular Relational Learning (MRL). Existing MRL methods focus on intra-domain modeling, and their inherent…

机器学习 · 计算机科学 2026-05-25 Peiliang Zhang , Jingling Yuan , Shiqing Wu , Mengqing Hu , Chao Che , Yongjun Zhu , Lin Li

Offline reinforcement learning (RL) holds promise as a means to learn high-reward policies from a static dataset, without the need for further environment interactions. However, a key challenge in offline RL lies in effectively stitching…

机器学习 · 计算机科学 2023-09-14 Siddarth Venkatraman , Shivesh Khaitan , Ravi Tej Akella , John Dolan , Jeff Schneider , Glen Berseth

This study considers multiple reconfigurable intelligent surfaces (RISs)-aided multiuser downlink systems with the goal of jointly optimizing the transmitter precoding and RIS phase shift matrix to maximize spectrum efficiency. Unlike prior…

信息论 · 计算机科学 2025-10-01 Po-Heng Chou , Bo-Ren Zheng , Wan-Jen Huang , Walid Saad , Yu Tsao , Ronald Y. Chang

Cyber-attacks are becoming increasingly sophisticated and frequent, highlighting the importance of network intrusion detection systems. This paper explores the potential and challenges of using deep reinforcement learning (DRL) in network…

密码学与安全 · 计算机科学 2026-03-03 Wanrong Yang , Alberto Acuto , Yihang Zhou , Dominik Wojtczak

In Integrated Sensing And Communication (ISAC) systems, estimating the micro-Doppler (mD) spectrogram of a target requires combining channel estimates retrieved from communication with ad-hoc sensing packets, which cope with the sparsity of…

信号处理 · 电气工程与系统科学 2024-12-05 Federico Mason , Jacopo Pegoraro

The goal in offline data-driven decision-making is synthesize decisions that optimize a black-box utility function, using a previously-collected static dataset, with no active interaction. These problems appear in many forms: offline…

机器学习 · 计算机科学 2022-11-28 Han Qi , Yi Su , Aviral Kumar , Sergey Levine

As a recent noticeable topic, domain generalization aims to learn a generalizable model on multiple source domains, which is expected to perform well on unseen test domains. Great efforts have been made to learn domain-invariant features by…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Jianxin Lin , Yongqiang Tang , Junping Wang , Wensheng Zhang

Offline Meta Reinforcement Learning (OMRL) aims to learn transferable knowledge from offline datasets to enhance the learning process for new target tasks. Context-based Reinforcement Learning (RL) adopts a context encoder to expediently…

机器学习 · 计算机科学 2023-05-24 Chenyang Zhao , Zihao Zhou , Bin Liu

Partial domain adaptation aims to adapt knowledge from a larger and more diverse source domain to a smaller target domain with less number of classes, which has attracted appealing attention. Recent practice on domain adaptation manages to…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Taotao Jing , Ming Shao , Zhengming Ding

Online Continual Learning (OCL) empowers machine learning models to acquire new knowledge online across a sequence of tasks. However, OCL faces a significant challenge: catastrophic forgetting, wherein the model learned in previous tasks is…

机器学习 · 计算机科学 2024-05-16 Fan Lyu , Daofeng Liu , Linglan Zhao , Zhang Zhang , Fanhua Shang , Fuyuan Hu , Wei Feng , Liang Wang

Reinforcement Learning (RL) is a general framework concerned with an agent that seeks to maximize rewards in an environment. The learning typically happens through trial and error using explorative methods, such as epsilon-greedy. There are…

机器学习 · 计算机科学 2022-10-06 Per-Arne Andersen , Morten Goodwin , Ole-Christoffer Granmo

Cross-Domain Sequential Recommendation (CDSR) seeks to improve user preference modeling by transferring knowledge from multiple domains. Despite the progress made in CDSR, most existing methods rely on overlapping users or items to…

信息检索 · 计算机科学 2025-10-31 Min Hou , Xin Liu , Le Wu , Chenyi He , Hao Liu , Zhi Li , Xin Li , Si Wei

The recent development of reinforcement learning (RL) has boosted the adoption of online RL for wireless radio resource management (RRM). However, online RL algorithms require direct interactions with the environment, which may be…

信息论 · 计算机科学 2023-11-21 Kun Yang , Cong Shen , Jing Yang , Shu-ping Yeh , Jerry Sydir

Existing Cross-Domain Few-Shot Learning (CDFSL) methods require access to source domain data to train a model in the pre-training phase. However, due to increasing concerns about data privacy and the desire to reduce data transmission and…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Huali Xu , Li Liu , Shuaifeng Zhi , Shaojing Fu , Zhuo Su , Ming-Ming Cheng , Yongxiang Liu

Domain adaptation aims to leverage a label-rich domain (the source domain) to help model learning in a label-scarce domain (the target domain). Most domain adaptation methods require the co-existence of source and target domain samples to…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Jiayi Tian , Jing Zhang , Wen Li , Dong Xu

Reinforcement Learning (RL) is a well-established framework for sequential decision-making in complex environments. However, state-of-the-art Deep RL (DRL) algorithms typically require large training datasets and often struggle to…

人工智能 · 计算机科学 2026-04-13 Celeste Veronese , Alessandro Farinelli , Daniele Meli