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Federated learning encounters a critical challenge of data heterogeneity, adversely affecting the performance and convergence of the federated model. Various approaches have been proposed to address this issue, yet their effectiveness is…

Machine Learning · Computer Science 2023-12-06 Jinqian Chen , Jihua Zhu , Qinghai Zheng

This paper focuses on Federated Domain-Incremental Learning (FDIL) where each client continues to learn incremental tasks where their domain shifts from each other. We propose a novel adaptive knowledge matching-based personalized FDIL…

Machine Learning · Computer Science 2024-07-19 Yichen Li , Wenchao Xu , Haozhao Wang , Ruixuan Li , Yining Qi , Jingcai Guo

Federated continual learning (FCL) has received increasing attention due to its potential in handling real-world streaming data, characterized by evolving data distributions and varying client classes over time. The constraints of storage…

Machine Learning · Computer Science 2024-05-24 Dezhong Yao , Sanmu Li , Yutong Dai , Zhiqiang Xu , Shengshan Hu , Peilin Zhao , Lichao Sun

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

Federated learning (FL) is a privacy-preserving distributed machine learning paradigm that enables collaborative training among geographically distributed and heterogeneous devices without gathering their data. Extending FL beyond the…

Machine Learning · Computer Science 2023-04-04 Jin Wang , Jia Hu , Jed Mills , Geyong Min , Ming Xia

Federated Learning (FL) is a machine learning paradigm that safeguards privacy by retaining client data on edge devices. However, optimizing FL in practice can be challenging due to the diverse and heterogeneous nature of the learning…

Machine Learning · Computer Science 2024-06-11 Yongxin Guo , Xiaoying Tang , Tao Lin

Federated Learning (FL) is a distributed machine learning paradigm that allows clients to train models on their data while preserving their privacy. FL algorithms, such as Federated Averaging (FedAvg) and its variants, have been shown to…

Machine Learning · Computer Science 2024-03-05 Changxin Xu , Yuxin Qiao , Zhanxin Zhou , Fanghao Ni , Jize Xiong

In a practical setting, how to enable robust Federated Learning (FL) systems, both in terms of generalization and personalization abilities, is one important research question. It is a challenging issue due to the consequences of non-i.i.d.…

Machine Learning · Computer Science 2024-12-04 Huy Q. Le , Minh N. H. Nguyen , Shashi Raj Pandey , Chaoning Zhang , Choong Seon Hong

Most existing works on continual learning (CL) focus on overcoming the catastrophic forgetting (CF) problem, with dynamic models and replay methods performing exceptionally well. However, since current works tend to assume exclusivity or…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Sijia Wang , Yoojin Choi , Junya Chen , Mostafa El-Khamy , Ricardo Henao

Federated Learning (FL) is an emerging domain in the broader context of artificial intelligence research. Methodologies pertaining to FL assume distributed model training, consisting of a collection of clients and a server, with the main…

Machine Learning · Computer Science 2023-05-09 Bhargav Ganguly , Vaneet Aggarwal

Federated Learning (FL) has emerged as a promising distributed learning paradigm that enables multiple clients to learn a global model collaboratively without sharing their private data. However, the effectiveness of FL is highly dependent…

Machine Learning · Computer Science 2023-12-27 Zhongyi Cai , Ye Shi , Wei Huang , Jingya Wang

Federated Learning has emerged as a leading paradigm for decentralized, privacy-preserving learning, particularly relevant in the era of interconnected edge devices equipped with sensors. However, the practical implementation of Federated…

Machine Learning · Computer Science 2025-07-15 Manuel Röder , Christoph Raab , Frank-Michael Schleif

Unsupervised Continual Learning (UCL) is a burgeoning field in machine learning, focusing on enabling neural networks to sequentially learn tasks without explicit label information. Catastrophic Forgetting (CF), where models forget…

Machine Learning · Computer Science 2024-05-30 Mohammadreza Sadeghi , Zihan Wang , Narges Armanfard

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

Federated learning benefits from cross-training strategies, which enables models to train on data from distinct sources to improve generalization capability. However, due to inherent differences in data distributions, the optimization goals…

Artificial Intelligence · Computer Science 2025-09-17 Zhuang Qi , Lei Meng , Ruohan Zhang , Yu Wang , Xin Qi , Xiangxu Meng , Han Yu , Qiang Yang

Continual learning (CL) is a setting in which an agent has to learn from an incoming stream of data sequentially. CL performance evaluates the model's ability to continually learn and solve new problems with incremental available…

Machine Learning · Computer Science 2022-05-04 Josh Andle , Salimeh Yasaei Sekeh

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

The standard class-incremental continual learning setting assumes a set of tasks seen one after the other in a fixed and predefined order. This is not very realistic in federated learning environments where each client works independently…

Machine Learning · Computer Science 2023-04-10 Donald Shenaj , Marco Toldo , Alberto Rigon , Pietro Zanuttigh

Federated Learning (FL) is a machine learning paradigm that allows decentralized clients to learn collaboratively without sharing their private data. However, excessive computation and communication demands pose challenges to current FL…

Cryptography and Security · Computer Science 2022-09-22 Yue Tan , Guodong Long , Jie Ma , Lu Liu , Tianyi Zhou , Jing Jiang

Federated Class Continual Learning (FCCL) merges the challenges of distributed client learning with the need for seamless adaptation to new classes without forgetting old ones. The key challenge in FCCL is catastrophic forgetting, an issue…

Machine Learning · Computer Science 2024-09-05 Jinglin Liang , Jin Zhong , Hanlin Gu , Zhongqi Lu , Xingxing Tang , Gang Dai , Shuangping Huang , Lixin Fan , Qiang Yang