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Federated recommendation aims to collect global knowledge by aggregating local models from massive devices, to provide recommendations while ensuring privacy. Current methods mainly leverage aggregation functions invented by federated…

密码学与安全 · 计算机科学 2024-06-07 Honglei Zhang , Haoxuan Li , Jundong Chen , Sen Cui , Kunda Yan , Abudukelimu Wuerkaixi , Xin Zhou , Zhiqi Shen , Yidong Li

Federated learning (FL) is capable of performing large distributed machine learning tasks across multiple edge users by periodically aggregating trained local parameters. To address key challenges of enabling FL over a wireless fog-cloud…

机器学习 · 计算机科学 2024-10-28 Van-Dinh Nguyen , Symeon Chatzinotas , Bjorn Ottersten , Trung Q. Duong

Non-IID dataset and heterogeneous environment of the local clients are regarded as a major issue in Federated Learning (FL), causing a downturn in the convergence without achieving satisfactory performance. In this paper, we propose a novel…

机器学习 · 计算机科学 2021-12-30 Hunmin Lee , Yueyang Liu , Donghyun Kim , Yingshu Li

Federated Dropout is an efficient technique to overcome both communication and computation bottlenecks for deploying federated learning at the network edge. In each training round, an edge device only needs to update and transmit a…

机器学习 · 计算机科学 2025-01-03 Sijing Xie , Dingzhu Wen , Xiaonan Liu , Changsheng You , Tharmalingam Ratnarajah , Kaibin Huang

Federated learning often suffers from slow and unstable convergence due to the heterogeneous characteristics of participating client datasets. Such a tendency is aggravated when the client participation ratio is low since the information…

机器学习 · 计算机科学 2024-04-02 Geeho Kim , Jinkyu Kim , Bohyung Han

Federated learning (FL) aims at optimizing a shared global model over multiple edge devices without transmitting (private) data to the central server. While it is theoretically well-known that FL yields an optimal model -- centrally trained…

机器学习 · 计算机科学 2022-11-01 Youngjoon Lee , Sangwoo Park , Joonhyuk Kang

Learning from the collective knowledge of data dispersed across private sources can provide neural networks with enhanced generalization capabilities. Federated learning, a method for collaboratively training a machine learning model across…

机器学习 · 计算机科学 2024-05-20 Matt Gorbett , Hossein Shirazi , Indrakshi Ray

Federated Learning using the Federated Averaging algorithm has shown great advantages for large-scale applications that rely on collaborative learning, especially when the training data is either unbalanced or inaccessible due to privacy…

机器学习 · 计算机科学 2021-07-21 Jonatan Reyes , Lisa Di Jorio , Cecile Low-Kam , Marta Kersten-Oertel

State-of-the-art federated learning methods can perform far worse than their centralized counterparts when clients have dissimilar data distributions. For neural networks, even when centralized SGD easily finds a solution that is…

机器学习 · 计算机科学 2022-10-06 Yaodong Yu , Alexander Wei , Sai Praneeth Karimireddy , Yi Ma , Michael I. Jordan

Although Federated Learning (FL) enables global model training across clients without compromising their raw data, due to the unevenly distributed data among clients, existing Federated Averaging (FedAvg)-based methods suffer from the…

机器学习 · 计算机科学 2024-07-08 Ming Hu , Zhihao Yue , Xiaofei Xie , Cheng Chen , Yihao Huang , Xian Wei , Xiang Lian , Yang Liu , Mingsong Chen

High-dimensional compositional covariates, often derived from count data, are subject to measurement error and are frequently analyzed after aggregation along a prespecified tree to improve interpretability in applications such as…

统计方法学 · 统计学 2026-05-18 Zhenghan Li , Tianying Wang

Federated Learning (FL) enables collaborative training among mutually distrusting parties. Model updates, rather than training data, are concentrated and fused in a central aggregation server. A key security challenge in FL is that an…

密码学与安全 · 计算机科学 2021-05-21 Pau-Chen Cheng , Kevin Eykholt , Zhongshu Gu , Hani Jamjoom , K. R. Jayaram , Enriquillo Valdez , Ashish Verma

Federated learning enables collaborative model training without sharing raw data, but its performance can degrade substantially under heterogeneous client data distributions. A single global model often cannot satisfy diverse client…

机器学习 · 计算机科学 2026-05-27 Yunseok Kang , Jaeyoung Song

Federated learning (FL) is a powerful distributed machine learning framework where a server aggregates models trained by different clients without accessing their private data. Hierarchical FL, with a client-edge-cloud aggregation…

机器学习 · 计算机科学 2023-01-10 Lumin Liu , Jun Zhang , Shenghui Song , Khaled B. Letaief

Federated Averaging (FedAvg) has emerged as the algorithm of choice for federated learning due to its simplicity and low communication cost. However, in spite of recent research efforts, its performance is not fully understood. We obtain…

Smart devices, such as smartphones, wearables, robots, and others, can collect vast amounts of data from their environment. This data is suitable for training machine learning models, which can significantly improve their behavior, and…

机器学习 · 计算机科学 2021-07-16 Fernando E. Casado , Dylan Lema , Marcos F. Criado , Roberto Iglesias , Carlos V. Regueiro , Senén Barro

In federated learning (FL), the global model at the server requires an efficient mechanism for weight aggregation and a systematic strategy for collaboration selection to manage and optimize communication payload. We introduce a practical…

Federated learning (FL) is usually performed on resource-constrained edge devices, e.g., with limited memory for the computation. If the required memory to train a model exceeds this limit, the device will be excluded from the training.…

机器学习 · 计算机科学 2023-11-28 Kilian Pfeiffer , Ramin Khalili , Jörg Henkel

Federated learning obtains a central model on the server by aggregating models trained locally on clients. As a result, federated learning does not require clients to upload their data to the server, thereby preserving the data privacy of…

机器学习 · 计算机科学 2020-08-31 Yang Chen , Xiaoyan Sun , Yaochu Jin

We present a federated, asynchronous, memory-limited algorithm for online task scheduling across large-scale networks of hundreds of workers. This is achieved through recent advancements in federated edge computing that unlocks the ability…

分布式、并行与集群计算 · 计算机科学 2021-04-29 Andreas Grammenos , Evangelia Kalyvianaki , Peter Pietzuch