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Federated Reinforcement Learning (FedRL) improves sample efficiency while preserving privacy; however, most existing studies assume homogeneous agents, limiting its applicability in real-world scenarios. This paper investigates FedRL in…

Machine Learning · Computer Science 2025-02-04 Wenzheng Jiang , Ji Wang , Xiongtao Zhang , Weidong Bao , Cheston Tan , Flint Xiaofeng Fan

As a special type of multimedia data, Lithography Hotspot Detection (LHD) training often requires stronger privacy protection than conventional multimedia data, and federated learning provides a promising potential solution to this…

Machine Learning · Computer Science 2026-05-01 Yuqi Li , Xingyou Lin , Yanli Li , Kai Zhang , Chuanguang Yang , Zhongliang Guo , Jianping Gou , Tingwen Huang , Yingli Tian

Online Knowledge Distillation (KD) is recently highlighted to train large models in Federated Learning (FL) environments. Many existing studies adopt the logit ensemble method to perform KD on the server side. However, they often assume…

Machine Learning · Computer Science 2026-01-09 Jihyun Lim , Junhyuk Jo , Tuo Zhang , Sunwoo Lee

Federated Learning (FL) enables collaborative model training across multiple devices while preserving data privacy. However, it remains susceptible to backdoor attacks, where malicious participants can compromise the global model. Existing…

Cryptography and Security · Computer Science 2025-02-26 Ebtisaam Alharbi , Leandro Soriano Marcolino , Qiang Ni , Antonios Gouglidis

Federated Learning (FL) is a decentralized machine-learning paradigm, in which a global server iteratively averages the model parameters of local users without accessing their data. User heterogeneity has imposed significant challenges to…

Machine Learning · Computer Science 2021-06-11 Zhuangdi Zhu , Junyuan Hong , Jiayu Zhou

Heterogeneous Federated Learning (HtFL) enables task-specific knowledge sharing among clients with different model architectures while preserving privacy. Despite recent research progress, transferring knowledge in HtFL is still difficult…

Artificial Intelligence · Computer Science 2024-08-20 Jianqing Zhang , Yang Liu , Yang Hua , Jian Cao

Federated Learning (FL) is gaining popularity as a distributed learning framework that only shares model parameters or gradient updates and keeps private data locally. However, FL is at risk of privacy leakage caused by privacy inference…

Machine Learning · Computer Science 2024-09-17 Kangyang Luo , Shuai Wang , Xiang Li , Yunshi Lan , Ming Gao , Jinlong Shu

Federated learning (FL) enables privacy-preserving collaborative model training without direct data sharing. Model-heterogeneous FL (MHFL) extends this paradigm by allowing clients to train personalized models with heterogeneous…

Machine Learning · Computer Science 2026-03-13 Ziqiao Weng , Weidong Cai , Bo Zhou

Federated Learning (FL) is an emerging machine learning paradigm that enables the collaborative training of a shared global model across distributed clients while keeping the data decentralized. Recent works on designing systems for…

Machine Learning · Computer Science 2024-02-13 Mohak Chadha , Pulkit Khera , Jianfeng Gu , Osama Abboud , Michael Gerndt

Model-Heterogeneous Federated Learning (Hetero-FL) has attracted growing attention for its ability to aggregate knowledge from heterogeneous models while keeping private data locally. To better aggregate knowledge from clients, ensemble…

Machine Learning · Computer Science 2025-10-15 Yichen Li , Xiuying Wang , Wenchao Xu , Haozhao Wang , Yining Qi , Jiahua Dong , Ruixuan Li

Federated learning is widely used to learn intelligent models from decentralized data. In federated learning, clients need to communicate their local model updates in each iteration of model learning. However, model updates are large in…

Machine Learning · Computer Science 2022-05-04 Chuhan Wu , Fangzhao Wu , Lingjuan Lyu , Yongfeng Huang , Xing Xie

Federated learning (FL) offers a privacy-preserving framework for distributed machine learning, enabling collaborative model training across diverse clients without centralizing sensitive data. However, statistical heterogeneity,…

Machine Learning · Statistics 2025-04-08 Hengrui Hu , Anai N. Kothari , Anjishnu Banerjee

Federated Learning (FL) is a distributed machine learning paradigm which coordinates multiple clients to collaboratively train a global model via a central server. Sequential Federated Learning (SFL) is a newly-emerging FL training…

Machine Learning · Computer Science 2025-07-14 Haotian Xu , Jinrui Zhou , Xichong Zhang , Mingjun Xiao , He Sun , Yin Xu

Federated Learning (FL) enables the training of Deep Learning models without centrally collecting possibly sensitive raw data. The most used algorithms for FL are parameter-averaging based schemes (e.g., Federated Averaging) that, however,…

Machine Learning · Computer Science 2025-04-08 Alessio Mora , Irene Tenison , Paolo Bellavista , Irina Rish

Knowledge distillation (KD) can enable collaborative learning among distributed clients that have different model architectures and do not share their local data and model parameters with others. Each client updates its local model using…

Machine Learning · Computer Science 2024-06-04 Pengchao Han , Xingyan Shi , Jianwei Huang

In federated learning, a strong global model is collaboratively learned by aggregating clients' locally trained models. Although this precludes the need to access clients' data directly, the global model's convergence often suffers from…

Machine Learning · Computer Science 2022-11-30 Gihun Lee , Minchan Jeong , Yongjin Shin , Sangmin Bae , Se-Young Yun

The robustness of federated learning (FL) is vital for the distributed training of an accurate global model that is shared among large number of clients. The collaborative learning framework by typically aggregating model updates is…

Federated Learning (FL) is a novel framework of decentralized machine learning. Due to the decentralized feature of FL, it is vulnerable to adversarial attacks in the training procedure, e.g. , backdoor attacks. A backdoor attack aims to…

Machine Learning · Computer Science 2022-08-15 Yifan Wang , Wei Fan , Keke Yang , Naji Alhusaini , Jing Li

Heterogeneous Federated Learning (HFL) has gained significant attention for its capacity to handle both model and data heterogeneity across clients. Prototype-based HFL methods emerge as a promising solution to address statistical and model…

Machine Learning · Computer Science 2025-12-22 Fatema Siddika , Md Anwar Hossen , Wensheng Zhang , Anuj Sharma , Juan Pablo Muñoz , Ali Jannesari

Federated learning enables multiple distributed devices to collaboratively learn a shared prediction model without centralizing their on-device data. Most of the current algorithms require comparable individual efforts for local training…

Machine Learning · Computer Science 2022-04-07 Lan Zhang , Dapeng Wu , Xiaoyong Yuan