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Adaptive optimization is critical in federated learning, where enabling adaptivity on both the server and client sides has proven essential for achieving optimal performance. However, the scalability of such jointly adaptive systems is…

Machine Learning · Computer Science 2025-10-28 Su Hyeong Lee , Sidharth Sharma , Manzil Zaheer , Tian Li

Federated Learning (FL) enables edge devices or clients to collaboratively train machine learning (ML) models without sharing their private data. Much of the existing work in FL focuses on efficiently learning a model for a single task. In…

Machine Learning · Computer Science 2024-06-05 Baris Askin , Pranay Sharma , Carlee Joe-Wong , Gauri Joshi

Diffusion models are powerful generative models that can produce highly realistic samples for various tasks. Typically, these models are constructed using centralized, independently and identically distributed (IID) training data. However,…

Machine Learning · Computer Science 2025-03-14 Zihao Peng , Xijun Wang , Shengbo Chen , Hong Rao , Cong Shen

Federated reinforcement learning (FedRL) enables multiple agents to collaboratively learn a policy without sharing their local trajectories collected during agent-environment interactions. However, in practice, the environments faced by…

Machine Learning · Computer Science 2025-07-18 Guojun Xiong , Shufan Wang , Daniel Jiang , Jian Li

Quick global aggregation of effective distributed parameters is crucial to federated learning (FL), which requires adequate bandwidth for parameters communication and sufficient user data for local training. Otherwise, FL may cost excessive…

Machine Learning · Computer Science 2022-08-25 Tao Guo , Song Guo , Junxiao Wang , Wenchao Xu

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

Federated learning (FL) enables distributed devices to collaboratively train machine learning models while maintaining data privacy. However, the heterogeneous hardware capabilities of devices often result in significant training delays, as…

Machine Learning · Computer Science 2025-09-23 Letian Zhang , Bo Chen , Jieming Bian , Lei Wang , Jie Xu

Federated learning has been identified as an efficient decentralized training paradigm for scaling the machine learning model training on a large number of devices while guaranteeing the data privacy of the trainers. FedAvg has become a…

Machine Learning · Computer Science 2024-04-23 Haotian Xu , Zhaorui Zhang , Sheng Di , Benben Liu , Khalid Ayed Alharthi , Jiannong Cao

Efficiently aggregating trained neural networks from local clients into a global model on a server is a widely researched topic in federated learning. Recently, motivated by diminishing privacy concerns, mitigating potential attacks, and…

Machine Learning · Computer Science 2024-10-22 Xiang Liu , Liangxi Liu , Feiyang Ye , Yunheng Shen , Xia Li , Linshan Jiang , Jialin Li

Federated learning (FL) is a fast-developing technique that allows multiple workers to train a global model based on a distributed dataset. Conventional FL (FedAvg) employs gradient descent algorithm, which may not be efficient enough.…

Machine Learning · Computer Science 2022-10-27 Zhengjie Yang , Wei Bao , Dong Yuan , Nguyen H. Tran , Albert Y. Zomaya

Federated learning (FL) is a distributed learning paradigm that enables multiple clients to learn a powerful global model by aggregating local training. However, the performance of the global model is often hampered by non-i.i.d.…

Machine Learning · Computer Science 2023-08-21 Chun-Mei Feng , Kai Yu , Nian Liu , Xinxing Xu , Salman Khan , Wangmeng Zuo

Federated learning is an emerging distributed machine learning framework which jointly trains a global model via a large number of local devices with data privacy protections. Its performance suffers from the non-vanishing biases introduced…

Machine Learning · Computer Science 2023-07-06 Yan Sun , Li Shen , Tiansheng Huang , Liang Ding , Dacheng Tao

Federated learning is a distributed machine learning paradigm designed to protect user data privacy, which has been successfully implemented across various scenarios. In traditional federated learning, the entire parameter set of local…

Machine Learning · Computer Science 2024-11-07 Haolin Wang , Xuefeng Liu , Jianwei Niu , Wenkai Guo , Shaojie Tang

Transformer-based pre-trained models have emerged as the predominant solution for natural language processing (NLP). Fine-tuning such pre-trained models for downstream tasks often requires a considerable amount of labeled private data. In…

Computation and Language · Computer Science 2023-08-22 Dongqi Cai , Yaozong Wu , Haitao Yuan , Shangguang Wang , Felix Xiaozhu Lin , Mengwei Xu

Federated learning enables joint training of machine learning models from distributed clients without sharing their local data. One key challenge in federated learning is to handle non-identically distributed data across the clients, which…

Machine Learning · Computer Science 2023-12-25 Tiejin Chen , Yuanpu Cao , Yujia Wang , Cho-Jui Hsieh , Jinghui Chen

Petabytes of data are generated each day by emerging Internet of Things (IoT), but only few of them can be finally collected and used for Machine Learning (ML) purposes due to the apprehension of data & privacy leakage, which seriously…

Machine Learning · Computer Science 2021-06-17 Yuhao Zhou , Ye Qing , Jiancheng Lv

Federated Learning (FL) enables the multiple participating devices to collaboratively contribute to a global neural network model while keeping the training data locally. Unlike the centralized training setting, the non-IID and imbalanced…

Machine Learning · Computer Science 2024-04-16 Moming Duan , Duo Liu , Xinyuan Ji , Renping Liu , Liang Liang , Xianzhang Chen , Yujuan Tan

Federated learning is an emerging technique used to prevent the leakage of private information. Unlike centralized learning that needs to collect data from users and store them collectively on a cloud server, federated learning makes it…

Machine Learning · Computer Science 2019-06-11 Hangyu Zhu , Yaochu Jin

Federated Learning (FL) is a distributed machine learning (ML) paradigm, in which multiple clients collaboratively train ML models without centralizing their local data. Similar to conventional ML pipelines, the client local optimization…

Machine Learning · Computer Science 2024-07-24 Haokun Chen , Denis Krompass , Jindong Gu , Volker Tresp

Federated learning learns from scattered data by fusing collaborative models from local nodes. However, the conventional coordinate-based model averaging by FedAvg ignored the random information encoded per parameter and may suffer from…

Machine Learning · Computer Science 2021-11-30 Fuxun Yu , Weishan Zhang , Zhuwei Qin , Zirui Xu , Di Wang , Chenchen Liu , Zhi Tian , Xiang Chen