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We extend the randomized singular value decomposition (SVD) algorithm \citep{Halko2011finding} to estimate the SVD of a shifted data matrix without explicitly constructing the matrix in the memory. With no loss in the accuracy of the…

机器学习 · 统计学 2019-12-02 Ali Basirat

Federated fine-tuning of Large Language Models faces severe statistical heterogeneity. However, existing model-level defenses often overlook the root cause: intrinsic data distribution mismatches. In this work, we first establish Federated…

机器学习 · 计算机科学 2026-05-19 Ziheng Ren , Zhanming Shen , Hao Wang , Ning Liu , You Song

Singular Value Decomposition (SVD) is one of the most useful techniques for analyzing data in linear algebra. SVD decomposes a rectangular real or complex matrix into two orthogonal matrices and one diagonal matrix. In this work we…

量子物理 · 物理学 2012-07-31 Laszlo Gyongyosi , Sandor Imre

This paper presents LDP-Fed, a novel federated learning system with a formal privacy guarantee using local differential privacy (LDP). Existing LDP protocols are developed primarily to ensure data privacy in the collection of single…

机器学习 · 计算机科学 2020-06-09 Stacey Truex , Ling Liu , Ka-Ho Chow , Mehmet Emre Gursoy , Wenqi Wei

Singular value decomposition (SVD) is a widely used technique for dimensionality reduction and computation of basis vectors. In many applications, especially in fluid mechanics and image processing the matrices are dense, but low-rank…

数值分析 · 计算机科学 2019-05-13 Vinita Vasudevan , M. Ramakrishna

Federated learning (FL) can achieve privacy-safe and reliable collaborative training without collecting users' private data. Its excellent privacy security potential promotes a wide range of FL applications in Internet-of-Things (IoT),…

机器学习 · 计算机科学 2023-09-26 Xiaofeng Liu , Qing Wang , Yunfeng Shao , Yinchuan Li

Large language models (LLMs) have achieved remarkable success in natural language processing (NLP) tasks, yet their substantial memory requirements present significant challenges for deployment on resource-constrained devices. Singular…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Zhiteng Li , Mingyuan Xia , Jingyuan Zhang , Zheng Hui , Haotong Qin , Linghe Kong , Yulun Zhang , Xiaokang Yang

This paper aims to propose a novel framework to address the data privacy issue for Federated Learning (FL)-based Intrusion Detection Systems (IDSs) in Internet-of-Vehicles(IoVs) with limited computational resources. In particular, in…

密码学与安全 · 计算机科学 2024-07-29 Bui Duc Manh , Chi-Hieu Nguyen , Dinh Thai Hoang , Diep N. Nguyen

This paper investigates the feasibility of federated representation learning under the constraints of communication cost and privacy protection. Existing works either conduct annotation-guided local training which requires frequent…

机器学习 · 计算机科学 2022-01-19 Haizhou Shi , Youcai Zhang , Zijin Shen , Siliang Tang , Yaqian Li , Yandong Guo , Yueting Zhuang

In this paper, we address the well-known challenge in the numerical solution of time-fractional partial differential equations (TFPDEs), namely, that the dependence on all previous time levels leads to storage requirements that grow…

数值分析 · 数学 2026-04-23 Jichun Li , Yangpeng Zhang , Yangwen Zhang

As deep learning (DL) techniques become integral to various applications, ensuring model fairness while maintaining high performance has become increasingly critical, particularly in sensitive fields such as medical diagnosis. Although a…

机器学习 · 计算机科学 2025-11-21 Yuanbo Guo , Jun Xia , Yiyu Shi

SVD-based Low-rank compression reduces transformer parameters and nominal FLOPs, but these savings often translate poorly into real LLM serving speedups. We show that this gap is largely a runtime problem: factorized checkpoints fragment…

机器学习 · 计算机科学 2026-05-12 Wenhao Wu , Zishan Shao , Kangning Cui , Jinhee Kim , Yixiao Wang , Hancheng Ye , Danyang Zhuo , Yiran Chen

The ubiquity of camera-enabled mobile devices has lead to large amounts of unlabelled video data being produced at the edge. Although various self-supervised learning (SSL) methods have been proposed to harvest their latent spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Yasar Abbas Ur Rehman , Yan Gao , Jiajun Shen , Pedro Porto Buarque de Gusmao , Nicholas Lane

In recent years, face super-resolution (FSR) methods have achieved remarkable progress, generally maintaining high image fidelity and identity (ID) consistency under standard settings. However, in extreme degradation scenarios (e.g., scale…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Jiarui Yang , Hang Guo , Wen Huang , Tao Dai , Shutao Xia

This article studies the problem of decentralized Singular Value Decomposition (d-SVD), which is fundamental in various signal processing applications. Two scenarios are considered depending on the availability of the data matrix under…

信号处理 · 电气工程与系统科学 2025-01-10 Yufan Fan , Marius Pesavento

Federated Learning (FL) is an emerging framework for distributed processing of large data volumes by edge devices subject to limited communication bandwidths, heterogeneity in data distributions and computational resources, as well as…

机器学习 · 计算机科学 2022-04-11 Yonghai Gong , Yichuan Li , Nikolaos M. Freris

Latest federated learning (FL) methods started to focus on how to use unlabeled data in clients for training due to users' privacy concerns, high labeling costs, or lack of expertise. However, current Federated…

机器学习 · 计算机科学 2023-03-22 Nan Yang , Xuanyu Chen , Charles Z. Liu , Dong Yuan , Wei Bao , Lizhen Cui

Federated Learning (FL) is transforming the ML training ecosystem from a centralized over-the-cloud setting to distributed training over edge devices in order to strengthen data privacy. An essential but rarely studied challenge in FL is…

机器学习 · 计算机科学 2021-10-07 Chaoyang He , Zhengyu Yang , Erum Mushtaq , Sunwoo Lee , Mahdi Soltanolkotabi , Salman Avestimehr

Vertical Federated Learning (VFL) enables multiple data owners, each holding a different subset of features about largely overlapping sets of data sample(s), to jointly train a useful global model. Feature selection (FS) is important to…

机器学习 · 计算机科学 2023-02-22 Anran Li , Hongyi Peng , Lan Zhang , Jiahui Huang , Qing Guo , Han Yu , Yang Liu

Singular Value Decomposition (SVD) is a technique based on linear projection theory, which has been frequently used for data analysis. It constitutes an optimal (in the sense of least squares) decomposition of a matrix in the most relevant…

数据分析、统计与概率 · 物理学 2015-03-17 Pau Erola , Javier Borge-Holthoefer , Sergio Gomez , Alex Arenas