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Federated learning (FL) is a promising technique for addressing the rising privacy and security issues. Its main ingredient is to cooperatively learn the model among the distributed clients without uploading any sensitive data. In this…

Artificial Intelligence · Computer Science 2023-03-07 Huiming Chen , Huandong Wang , Qingyue Long , Depeng Jin , Yong Li

As on-device large language model (LLM) systems become increasingly prevalent, federated fine-tuning enables advanced language understanding and generation directly on edge devices; however, it also involves processing sensitive,…

Cryptography and Security · Computer Science 2025-09-12 Honghui Xu , Shiva Shrestha , Wei Chen , Zhiyuan Li , Zhipeng Cai

Federated Learning is a new subfield of machine learning that allows fitting models without collecting the training data itself. Instead of sharing data, users collaboratively train a model by only sending weight updates to a server. To…

Machine Learning · Computer Science 2019-11-28 Florian Hartmann , Sunah Suh , Arkadiusz Komarzewski , Tim D. Smith , Ilana Segall

Federated Learning (FL) has been an emerging trend in machine learning and artificial intelligence. It allows multiple participants to collaboratively train a better global model and offers a privacy-aware paradigm for model training since…

Cryptography and Security · Computer Science 2025-02-28 Zhihua Tian , Rui Zhang , Xiaoyang Hou , Lingjuan Lyu , Tianyi Zhang , Jian Liu , Kui Ren

Federated learning (FL) is a kind of distributed machine learning framework, where the global model is generated on the centralized aggregation server based on the parameters of local models, addressing concerns about privacy leakage caused…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-22 Chenhao Xu , Youyang Qu , Yong Xiang , Longxiang Gao

Federated learning enables training a global machine learning model from data distributed across multiple sites, without having to move the data. This is particularly relevant in healthcare applications, where data is rife with personal,…

Cryptography and Security · Computer Science 2020-02-24 Olivia Choudhury , Aris Gkoulalas-Divanis , Theodoros Salonidis , Issa Sylla , Yoonyoung Park , Grace Hsu , Amar Das

In terms of artificial intelligence, there are several security and privacy deficiencies in the traditional centralized training methods of machine learning models by a server. To address this limitation, federated learning (FL) has been…

Cryptography and Security · Computer Science 2022-11-29 Yao Chen , Yijie Gui , Hong Lin , Wensheng Gan , Yongdong Wu

Federated learning is a distributed machine learning paradigm designed to protect data privacy. However, data heterogeneity across various clients results in catastrophic forgetting, where the model rapidly forgets previous knowledge while…

Machine Learning · Computer Science 2024-11-07 Pengju Wang , Bochao Liu , Weijia Guo , Yong Li , Shiming Ge

While "instruction-tuned" generative large language models (LLMs) have demonstrated an impressive ability to generalize to new tasks, the training phases heavily rely on large amounts of diverse and high-quality instruction data (such as…

Computation and Language · Computer Science 2024-01-30 Jianyi Zhang , Saeed Vahidian , Martin Kuo , Chunyuan Li , Ruiyi Zhang , Tong Yu , Yufan Zhou , Guoyin Wang , Yiran Chen

Federated learning (FL) is an emerging machine learning (ML) training paradigm where clients own their data and collaborate to train a global model, without revealing any data to the server and other participants. Researchers commonly…

Data privacy remains a critical concern in educational research, requiring strict adherence to ethical standards and regulatory protocols. While traditional approaches rely on anonymization and centralized data collection, they often expose…

Machine Learning · Computer Science 2025-05-12 Ehsan Latif , Xiaoming Zhai

The paradigm of vertical federated learning (VFL), where institutions collaboratively train machine learning models via combining each other's local feature or label information, has achieved great success in applications to financial risk…

Machine Learning · Computer Science 2023-11-01 Ruofan Wu , Mingyang Zhang , Lingjuan Lyu , Xiaolong Xu , Xiuquan Hao , Xinyi Fu , Tengfei Liu , Tianyi Zhang , Weiqiang Wang

As an emerging technique, Federated Learning (FL) can jointly train a global model with the data remaining locally, which effectively solves the problem of data privacy protection through the encryption mechanism. The clients train their…

Machine Learning · Computer Science 2020-12-04 Yi Liu , Li Zhang , Ning Ge , Guanghao Li

Federated Learning (FL) solutions with central Differential Privacy (DP) have seen large improvements in their utility in recent years arising from the matrix mechanism, while FL solutions with distributed (more private) DP have lagged…

Cryptography and Security · Computer Science 2025-06-18 Alexander Bienstock , Ujjwal Kumar , Antigoni Polychroniadou

In recent years, data and computing resources are typically distributed in the devices of end users, various regions or organizations. Because of laws or regulations, the distributed data and computing resources cannot be directly shared…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-28 Ji Liu , Jizhou Huang , Yang Zhou , Xuhong Li , Shilei Ji , Haoyi Xiong , Dejing Dou

Federated learning is a distributed, on-device computation framework that enables training global models without exporting sensitive user data to servers. In this work, we describe methods to extend the federation framework to evaluate…

Machine Learning · Computer Science 2019-10-24 Kangkang Wang , Rajiv Mathews , Chloé Kiddon , Hubert Eichner , Françoise Beaufays , Daniel Ramage

Federated learning (FL) enables collaborative training of a machine learning (ML) model across multiple parties, facilitating the preservation of users' and institutions' privacy by maintaining data stored locally. Instead of centralizing…

Machine Learning · Computer Science 2024-11-06 Nicolò Romandini , Alessio Mora , Carlo Mazzocca , Rebecca Montanari , Paolo Bellavista

Traditional Federated Learning (FL) methods typically train a single global model collaboratively without exchanging raw data. In contrast, Personalized Federated Learning (PFL) techniques aim to create multiple models that are better…

Machine Learning · Computer Science 2024-04-23 Emilio Cantu-Cervini

Federated Learning (FL) has become an established technique to facilitate privacy-preserving collaborative training across a multitude of clients. However, new approaches to FL often discuss their contributions involving small deep-learning…

Machine Learning · Computer Science 2026-05-05 Herbert Woisetschläger , Alexander Isenko , Shiqiang Wang , Ruben Mayer , Hans-Arno Jacobsen

Calibrating machine learning models so that predicted probabilities better reflect the true outcome frequencies is crucial for reliable decision-making across many applications. In Federated Learning (FL), the goal is to train a global…

Machine Learning · Computer Science 2025-10-03 Samuel Maddock , Graham Cormode , Carsten Maple