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Federated learning (FL) for large language models (LLMs) offers a privacy-preserving scheme, enabling clients to collaboratively fine-tune locally deployed LLMs or smaller language models (SLMs) without exchanging raw data. While…

Machine Learning · Computer Science 2025-10-02 Xinlu Zhang , Na Yan , Yang Su , Yansha Deng , Toktam Mahmoodi

Federated Learning is a machine learning setting where the goal is to train a high-quality centralized model while training data remains distributed over a large number of clients each with unreliable and relatively slow network…

Machine Learning · Computer Science 2017-11-01 Jakub Konečný , H. Brendan McMahan , Felix X. Yu , Peter Richtárik , Ananda Theertha Suresh , Dave Bacon

With more regulations tackling users' privacy-sensitive data protection in recent years, access to such data has become increasingly restricted and controversial. To exploit the wealth of data generated and located at distributed entities…

Machine Learning · Computer Science 2020-11-10 Nader Bouacida , Jiahui Hou , Hui Zang , Xin Liu

One-shot Federated learning (FL) is a powerful technology facilitating collaborative training of machine learning models in a single round of communication. While its superiority lies in communication efficiency and privacy preservation…

Machine Learning · Computer Science 2024-12-09 Junyuan Zhang , Songhua Liu , Xinchao Wang

Federated learning enables the creation of a powerful centralized model without compromising data privacy of multiple participants. While successful, it does not incorporate the case where each participant independently designs its own…

Machine Learning · Computer Science 2019-10-10 Daliang Li , Junpu Wang

Federated Learning (FL) is an emerging distributed learning paradigm under privacy constraint. Data heterogeneity is one of the main challenges in FL, which results in slow convergence and degraded performance. Most existing approaches only…

Machine Learning · Computer Science 2023-10-27 Lin Zhang , Li Shen , Liang Ding , Dacheng Tao , Ling-Yu Duan

Collaborative fairness is a crucial challenge in federated learning. However, existing approaches often overlook a practical yet complex form of heterogeneity: imbalanced covariate shift. We provide a theoretical analysis of this setting,…

Machine Learning · Computer Science 2025-07-14 Tianrun Yu , Jiaqi Wang , Haoyu Wang , Mingquan Lin , Han Liu , Nelson S. Yee , Fenglong Ma

Modern mobile devices have access to a wealth of data suitable for learning models, which in turn can greatly improve the user experience on the device. For example, language models can improve speech recognition and text entry, and image…

Machine Learning · Computer Science 2023-01-30 H. Brendan McMahan , Eider Moore , Daniel Ramage , Seth Hampson , Blaise Agüera y Arcas

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

Heterogeneity of data distributed across clients limits the performance of global models trained through federated learning, especially in the settings with highly imbalanced class distributions of local datasets. In recent years,…

Machine Learning · Computer Science 2023-04-11 Huancheng Chen , Johnny , Wang , Haris Vikalo

Federated learning (FL) is a privacy-preserving machine learning paradigm in which the server periodically aggregates local model parameters from clients without assembling their private data. Constrained communication and personalization…

Machine Learning · Computer Science 2023-11-10 Zhiyuan Wu , Sheng Sun , Yuwei Wang , Min Liu , Quyang Pan , Junbo Zhang , Zeju Li , Qingxiang Liu

This paper investigates the feasibility of federated representation learning under the constraints of communication cost and privacy protection. Existing works either conduct annotation-guided local training which requires frequent…

Machine Learning · Computer Science 2022-01-19 Haizhou Shi , Youcai Zhang , Zijin Shen , Siliang Tang , Yaqian Li , Yandong Guo , Yueting Zhuang

Federated Knowledge Graph Embedding (FKGE) aims to facilitate collaborative learning of entity and relation embeddings from distributed Knowledge Graphs (KGs) across multiple clients, while preserving data privacy. Training FKGE models with…

Artificial Intelligence · Computer Science 2026-01-13 Xiaoxiong Zhang , Zhiwei Zeng , Xin Zhou , Chunyan Miao

Federated Learning (FL) is a distributed and privacy-preserving machine learning paradigm that coordinates multiple clients to train a model while keeping the raw data localized. However, this traditional FL poses some challenges, including…

Machine Learning · Computer Science 2026-05-12 Laiqiao Qin , Tianqing Zhu , Wanlei Zhou , Philip S. Yu

Federated Learning (FL) enables multiple machines to collaboratively train a machine learning model without sharing of private training data. Yet, especially for heterogeneous models, a key bottleneck remains the transfer of knowledge…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Sunny Soni , Aaqib Saeed , Yuki M. Asano

Federated learning seeks to foster collaboration among distributed clients while preserving the privacy of their local data. Traditionally, federated learning methods assume a fixed setting in which client data and learning objectives…

Image and Video Processing · Electrical Eng. & Systems 2025-11-18 Can Peng , Qianhui Men , Pramit Saha , Qianye Yang , Cheng Ouyang , J. Alison Noble

As an emerging paradigm of federated learning, asynchronous federated learning offers significant speed advantages over traditional synchronous federated learning. Unlike synchronous federated learning, which requires waiting for all…

Machine Learning · Computer Science 2025-04-10 Chaoyi Lu , Yiding Sun , Pengbo Li , Zhichuan Yang

On-device machine learning (ML) enables the training process to exploit a massive amount of user-generated private data samples. To enjoy this benefit, inter-device communication overhead should be minimized. With this end, we propose…

Machine Learning · Computer Science 2023-10-20 Eunjeong Jeong , Seungeun Oh , Hyesung Kim , Jihong Park , Mehdi Bennis , Seong-Lyun Kim

In the era of large scale pretrained models, Knowledge Distillation (KD) serves an important role in transferring the wisdom of computationally heavy teacher models to lightweight, efficient student models while preserving performance.…

Machine Learning · Computer Science 2023-11-07 Alex Wilf , Alex Tianyi Xu , Paul Pu Liang , Alexander Obolenskiy , Daniel Fried , Louis-Philippe Morency

Decentralized Federated Learning (DFL) trains models in a collaborative and privacy-preserving manner while removing model centralization risks and improving communication bottlenecks. However, DFL faces challenges in efficient…