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Federated learning (FL) over wireless communication channels, specifically, over-the-air (OTA) model aggregation framework is considered. In OTA wireless setups, the adverse channel effects can be alleviated by increasing the number of…

机器学习 · 计算机科学 2021-12-22 Ozan Aygün , Mohammad Kazemi , Deniz Gündüz , Tolga M. Duman

Personalized federated learning (PFL) addresses a critical challenge of collaboratively training customized models for clients with heterogeneous and scarce local data. Conventional federated learning, which relies on a single consensus…

机器学习 · 计算机科学 2025-10-24 Ke Xing , Yanjie Dong , Xiaoyi Fan , Runhao Zeng , Victor C. M. Leung , M. Jamal Deen , Xiping Hu

This study analyzes the performance of domain-specific Large Language Models (LLMs) for the medical field by integrating Retrieval-Augmented Generation (RAG) systems within a federated learning framework. Leveraging the inherent advantages…

计算与语言 · 计算机科学 2025-01-09 Jincheol Jung , Hongju Jeong , Eui-Nam Huh

In Federated Learning, we aim to train models across multiple computing units (users), while users can only communicate with a common central server, without exchanging their data samples. This mechanism exploits the computational power of…

机器学习 · 计算机科学 2020-10-26 Alireza Fallah , Aryan Mokhtari , Asuman Ozdaglar

As the last pivotal stage of Recommender System (RS), Multi-Task Fusion (MTF) is responsible for combining multiple scores outputted by Multi-Task Learning (MTL) model into a final score to maximize user satisfaction. Recently, to optimize…

信息检索 · 计算机科学 2025-09-25 Peng Liu , Cong Xu , Ming Zhao , Jiawei Zhu , Bin Wang , Yi Ren

Federated Learning (FL) enables training ML models on edge clients without sharing data. However, the federated model's performance on local data varies, disincentivising the participation of clients who benefit little from FL. Fair FL…

机器学习 · 计算机科学 2023-05-05 Alex Iacob , Pedro P. B. Gusmão , Nicholas D. Lane

We consider a multi-user hybrid beamforming system, where the multiplexing gain is limited by the small number of RF chains employed at the base station (BS). To allow greater freedom for maximizing the multiplexing gain, it is better if…

系统与控制 · 电气工程与系统科学 2023-02-17 Junghoon Kim , Matthew Andrews

Over-the-air Computation (AirComp) has been demonstrated as an effective transmission scheme to boost the efficiency of federated edge learning (FEEL). However, existing FEEL systems with AirComp scheme often employ traditional synchronous…

机器学习 · 计算机科学 2023-05-31 Zhoubin Kou , Yun Ji , Xiaoxiong Zhong , Sheng Zhang

Federated learning (FL) has emerged as a key technique for distributed machine learning (ML). Most literature on FL has focused on ML model training for (i) a single task/model, with (ii) a synchronous scheme for updating model parameters,…

机器学习 · 计算机科学 2024-02-19 Zhan-Lun Chang , Seyyedali Hosseinalipour , Mung Chiang , Christopher G. Brinton

Federated Learning (FL) is a distributed machine learning framework that inherently allows edge devices to maintain their local training data, thus providing some level of privacy. However, FL's model updates still pose a risk of privacy…

信息论 · 计算机科学 2024-12-06 Jiayu Mao , Tongxin Yin , Aylin Yener , Mingyan Liu

This work studies the task of device coordination in wireless networks for over-the-air federated learning (OTA-FL). For conventional metrics of aggregation error, the task is shown to describe the zero-forcing (ZF) and minimum mean squared…

信息论 · 计算机科学 2022-11-09 Mohammad Ali Sedaghat , Ali Bereyhi , Saba Asaad , Ralf R. Mueller

Federated Learning (FL) enables collaborative model training across diverse entities while safeguarding data privacy. However, FL faces challenges such as data heterogeneity and model diversity. The Meta-Federated Learning (Meta-FL)…

机器学习 · 计算机科学 2024-06-25 Zahir Alsulaimawi

Federated learning (FL) enables learning from decentralized privacy-sensitive data, with computations on raw data confined to take place at edge clients. This paper introduces mixed FL, which incorporates an additional loss term calculated…

机器学习 · 计算机科学 2022-06-28 Sean Augenstein , Andrew Hard , Lin Ning , Karan Singhal , Satyen Kale , Kurt Partridge , Rajiv Mathews

Federated Learning (FL) is a distributed machine learning paradigm that addresses privacy concerns in machine learning and still guarantees high test accuracy. However, achieving the necessary accuracy by having all clients participate in…

机器学习 · 计算机科学 2023-12-14 Ruonan Dong , Hui Xu , Han Zhang , GuoPeng Zhang

Hierarchical federated learning (HFL) shows great advantages over conventional two-layer federated learning (FL) in reducing network overhead and interaction latency while still retaining the data privacy of distributed FL clients. However,…

机器学习 · 计算机科学 2023-11-07 Bibo Wu , Fang Fang , Xianbin Wang , Donghong Cai , Shu Fu , Zhiguo Ding

Over-the-air federated learning (OTA-FL) improves communication efficiency by exploiting the superposition property of wireless channels, but this same property also creates a critical security vulnerability: the parameter server (PS)…

密码学与安全 · 计算机科学 2026-05-20 Xiaoyan Ma , Seohyun Lee , Taejoon Kim , Christopher G. Brinton

Pre-trained foundation models (FMs), with extensive number of neurons, are key to advancing next-generation intelligence services, where personalizing these models requires massive amount of task-specific data and computational resources.…

系统与控制 · 电气工程与系统科学 2024-07-04 Zixin Wang , Yong Zhou , Yuanming Shi , Khaled. B. Letaief

Traditional Federated Learning (FL) methods encounter significant challenges when dealing with heterogeneous data and providing personalized solutions for non-IID scenarios. Personalized Federated Learning (PFL) approaches aim to address…

机器学习 · 计算机科学 2025-11-11 Yasaman Saadati , Mohammad Rostami , M. Hadi Amini

The integration of Federated Learning (FL) and Mixture-of-Experts (MoE) presents a compelling pathway for training more powerful, large-scale artificial intelligence models (LAMs) on decentralized data while preserving privacy. However,…

机器学习 · 计算机科学 2025-07-09 Xiaobing Chen , Boyang Zhang , Xiangwei Zhou , Mingxuan Sun , Shuai Zhang , Songyang Zhang , Geoffrey Ye Li

The newly emerging federated learning (FL) framework offers a new way to train machine learning models in a privacy-preserving manner. However, traditional FL algorithms are based on an event-triggered aggregation, which suffers from…

机器学习 · 计算机科学 2022-05-03 Xiaokang Zhou , Yansha Deng , Huiyun Xia , Shaochuan Wu , Mehdi Bennis