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Federated Learning (FL) algorithms implicitly assume that clients passively comply with server-side orchestration by sharing local model updates upon server request. However, this overlooks an important aspect in real-world cross-silo…

Machine Learning · Computer Science 2026-05-19 M Yashwanth , Arunabh Singh , Ashok Nayak , Sai Kiran Bulusu , Anirban Chakraborty

Federated Learning is a privacy-preserving decentralized approach for Machine Learning tasks. In industry deployments characterized by a limited number of entities possessing abundant data, the significance of a participant's role in…

Machine Learning · Computer Science 2026-02-06 Arno Geimer , Beltran Fiz Pontiveros , Radu State

Prototype-based federated learning has emerged as a promising approach that shares lightweight prototypes to transfer knowledge among clients with data heterogeneity in a model-agnostic manner. However, existing methods often collect…

Machine Learning · Computer Science 2025-05-13 Yanbing Zhou , Xiangmou Qu , Chenlong You , Jiyang Zhou , Jingyue Tang , Xin Zheng , Chunmao Cai , Yingbo Wu

At the intersection of the cutting-edge technologies and privacy concerns, Federated Learning (FL) with its distributed architecture, stands at the forefront in a bid to facilitate collaborative model training across multiple clients while…

Machine Learning · Computer Science 2025-09-03 Noorain Mukhtiar , Adnan Mahmood , Quan Z. Sheng

Federated Learning (FL) is a collaborative machine learning framework that allows multiple users to train models utilizing their local data in a distributed manner. However, considerable statistical heterogeneity in local data across…

Machine Learning · Computer Science 2024-09-10 Qi Le , Enmao Diao , Xinran Wang , Vahid Tarokh , Jie Ding , Ali Anwar

While fairness-aware machine learning algorithms have been receiving increasing attention, the focus has been on centralized machine learning, leaving decentralized methods underexplored. Federated Learning is a decentralized form of…

Machine Learning · Computer Science 2023-07-04 Teresa Salazar , Miguel Fernandes , Helder Araujo , Pedro Henriques Abreu

Federated learning (FL) allows machine learning models to be trained on distributed datasets without directly accessing local data. In FL markets, numerous Data Consumers compete to recruit Data Owners for their respective training tasks,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-27 Zhuan Shi , Patrick Ohl , Boi Faltings

Federated Learning (FL) is an emerging paradigm in machine learning without exposing clients' raw data. In practical scenarios with numerous clients, encouraging fair and efficient client participation in federated learning is of utmost…

Machine Learning · Computer Science 2024-01-30 Simin Javaherian , Sanjeev Panta , Shelby Williams , Md Sirajul Islam , Li Chen

In this paper, we study the problem of fair worker selection in Federated Learning systems, where fairness serves as an incentive mechanism that encourages more workers to participate in the federation. Considering the achieved training…

Computer Science and Game Theory · Computer Science 2021-07-27 Fengjiao Li , Jia Liu , Bo Ji

Federated learning (FL) has emerged as a prospective solution for collaboratively learning a shared model across clients without sacrificing their data privacy. However, the federated learned model tends to be biased against certain…

Machine Learning · Computer Science 2024-10-04 Syed Irfan Ali Meerza , Luyang Liu , Jiaxin Zhang , Jian Liu

Federated learning allows multiple clients to collaboratively train a model without exchanging their data, thus preserving data privacy. Unfortunately, it suffers significant performance degradation due to heterogeneous data at clients.…

Machine Learning · Computer Science 2023-10-19 Tailin Zhou , Jun Zhang , Danny H. K. Tsang

Federated learning (FL) is a distributed collaborative learning method, where multiple clients learn together by sharing gradient updates instead of raw data. However, it is well-known that FL is vulnerable to manipulated updates from…

Machine Learning · Computer Science 2025-03-06 Dimitar Chakarov , Nikita Tsoy , Kristian Minchev , Nikola Konstantinov

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

Federated learning provides the ability to learn over heterogeneous user data in a distributed manner while preserving user privacy. However, its current client selection technique is a source of bias as it discriminates against slow…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-28 Ammar Tahir , Yongzhou Chen , Prashanti Nilayam

Classical federated learning (FL) assumes that the clients have a limited amount of noisy data with which they voluntarily participate and contribute towards learning a global, more accurate model in a principled manner. The learning…

Computer Science and Game Theory · Computer Science 2026-03-17 Drashthi Doshi , Aditya Vema Reddy Kesari , Avishek Ghosh , Swaprava Nath , Suhas S Kowshik

With the increasingly broad deployment of federated learning (FL) systems in the real world, it is critical but challenging to ensure fairness in FL, i.e. reasonably satisfactory performances for each of the numerous diverse clients. In…

Machine Learning · Computer Science 2023-05-10 Guojun Zhang , Saber Malekmohammadi , Xi Chen , Yaoliang Yu

Federated learning (FL) is an emerging machine learning paradigm designed to address the challenge of data silos, attracting considerable attention. However, FL encounters persistent issues related to fairness and data privacy. To tackle…

Cryptography and Security · Computer Science 2026-01-08 Xinpeng Ling , Jie Fu , Kuncan Wang , Huifa Li , Tong Cheng , Zhili Chen

We consider a federated learning (FL) system consisting of multiple clients and a server, where the clients aim to collaboratively learn a common decision model from their distributed data. Unlike the conventional FL framework that assumes…

Machine Learning · Computer Science 2023-05-10 Kun Jin , Tongxin Yin , Zhongzhu Chen , Zeyu Sun , Xueru Zhang , Yang Liu , Mingyan Liu

Federated Learning (FL) is a method for training machine learning models using distributed data sources. It ensures privacy by allowing clients to collaboratively learn a shared global model while storing their data locally. However, a…

Machine Learning · Computer Science 2025-11-11 Manh Duong Nguyen , Trung Thanh Nguyen , Huy Hieu Pham , Trong Nghia Hoang , Phi Le Nguyen , Thanh Trung Huynh

Federated learning is a distributed and privacy-preserving approach to train a statistical model collaboratively from decentralized data of different parties. However, when datasets of participants are not independent and identically…

Machine Learning · Computer Science 2023-01-24 Li Ju , Tianru Zhang , Salman Toor , Andreas Hellander