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We consider the problem of jointly modeling and clustering populations of tensors by introducing a high-dimensional tensor mixture model with heterogeneous covariances. To effectively tackle the high dimensionality of tensor objects, we…

统计方法学 · 统计学 2024-11-21 Biao Cai , Jingfei Zhang , Will Wei Sun

Personalized Federated Learning (FL) is an emerging research field in FL that learns an easily adaptable global model in the presence of data heterogeneity among clients. However, one of the main challenges for personalized FL is the heavy…

机器学习 · 计算机科学 2022-06-14 Jaehun Song , Min-hwan Oh , Hyung-Sin Kim

In recent years, mobile clients' computing ability and storage capacity have greatly improved, efficiently dealing with some applications locally. Federated learning is a promising distributed machine learning solution that uses local…

机器学习 · 计算机科学 2021-03-15 Renhao Lu , Weizhe Zhang , Qiong Li , Xiaoxiong Zhong , Athanasios V. Vasilakos

Federated learning (FL), as a collaborative distributed training paradigm with several edge computing devices under the coordination of a centralized server, is plagued by inconsistent local stationary points due to the heterogeneity of the…

系统与控制 · 电气工程与系统科学 2023-02-14 Yixing Liu , Yan Sun , Zhengtao Ding , Li Shen , Bo Liu , Dacheng Tao

Federated Learning (FL) enables collaborative model training across multiple clients without sharing their private data. However, data heterogeneity across clients leads to client drift, which degrades the overall generalization performance…

机器学习 · 计算机科学 2026-03-02 Alina Devkota , Jacob Thrasher , Donald Adjeroh , Binod Bhattarai , Prashnna K. Gyawali

Federated learning has recently garnered significant attention, especially within the domain of supervised learning. However, despite the abundance of unlabeled data on end-users, unsupervised learning problems such as clustering in the…

机器学习 · 计算机科学 2024-07-18 Jinxuan Xu , Hong-You Chen , Wei-Lun Chao , Yuqian Zhang

Federated Learning (FL) offers a collaborative training framework, allowing multiple clients to contribute to a shared model without compromising data privacy. Due to the heterogeneous nature of local datasets, updated client models may…

机器学习 · 计算机科学 2023-11-14 Chia-Hsiang Kao , Yu-Chiang Frank Wang

Partially recorded data are frequently encountered in many applications and usually clustered by first removing incomplete cases or features with missing values, or by imputing missing values, followed by application of a clustering…

统计方法学 · 统计学 2021-10-20 Emily M. Goren , Ranjan Maitra

Federated learning (FL) enables distributed model training, yet in heterogeneous deployments, Bandwidth-Constrained Clients (BCCs) often contribute inefficiently due to limited uplink bandwidth. In model-heterogeneous FL with fixed small…

分布式、并行与集群计算 · 计算机科学 2026-05-12 Chengjie Ma , Seungeun Oh , Jihong Park , Seong-Lyun Kim

Standard federated learning approaches suffer when client data distributions have sufficient heterogeneity. Recent methods addressed the client data heterogeneity issue via personalized federated learning (PFL) - a class of FL algorithms…

机器学习 · 计算机科学 2024-04-04 Rishub Tamirisa , Chulin Xie , Wenxuan Bao , Andy Zhou , Ron Arel , Aviv Shamsian

The heterogeneity of hardware and data is a well-known and studied problem in the community of Federated Learning (FL) as running under heterogeneous settings. Recently, custom-size client models trained with Knowledge Distillation (KD) has…

机器学习 · 计算机科学 2022-11-15 Hongrui Shi , Valentin Radu , Po Yang

Federated clustering (FC) is an extension of centralized clustering in federated settings. The key here is how to construct a global similarity measure without sharing private data, since the local similarity may be insufficient to group…

机器学习 · 计算机科学 2023-10-24 Jie Yan , Jing Liu , Ji Qi , Zhong-Yuan Zhang

This work introduces a novel probabilistic deep learning technique called deep Gaussian mixture ensembles (DGMEs), which enables accurate quantification of both epistemic and aleatoric uncertainty. By assuming the data generating process…

机器学习 · 统计学 2023-06-13 Yousef El-Laham , Niccolò Dalmasso , Elizabeth Fons , Svitlana Vyetrenko

Mixture of Experts (MoE) are successful models for modeling heterogeneous data in many statistical learning problems including regression, clustering and classification. Generally fitted by maximum likelihood estimation via the well-known…

机器学习 · 统计学 2018-10-30 Faicel Chamroukhi , Bao-Tuyen Huynh

Federated multi-view clustering offers the potential to develop a global clustering model using data distributed across multiple devices. However, current methods face challenges due to the absence of label information and the paramount…

机器学习 · 计算机科学 2024-06-14 Xueming Yan , Ziqi Wang , Yaochu Jin

Federated Learning (FL) methods are often designed for specific client participation patterns, limiting their applicability in practical deployments. We introduce the FedSUM family of algorithms, which supports arbitrary client…

机器学习 · 计算机科学 2025-12-23 Runze You , Shi Pu

The primary challenge in Federated Learning (FL) is to model non-IID distributions across clients, whose fine-grained structure is important to improve knowledge sharing. For example, some knowledge is globally shared across all clients,…

机器学习 · 计算机科学 2024-05-28 Shutong Chen , Tianyi Zhou , Guodong Long , Jie Ma , Jing Jiang , Chengqi Zhang

Federated learning (FL) enables distributed optimization of machine learning models while protecting privacy by independently training local models on each client and then aggregating parameters on a central server, thereby producing an…

机器学习 · 计算机科学 2022-03-08 Chencheng Xu , Zhiwei Hong , Minlie Huang , Tao Jiang

The Expectation-Maximization (EM) algorithm is a widely used method for maximum likelihood estimation in models with latent variables. For estimating mixtures of Gaussians, its iteration can be viewed as a soft version of the k-means…

机器学习 · 统计学 2017-06-06 Constantinos Daskalakis , Christos Tzamos , Manolis Zampetakis

Federated Learning (FL) provides decentralised model training, which effectively tackles problems such as distributed data and privacy preservation. However, the generalisation of global models frequently faces challenges from data…

机器学习 · 计算机科学 2025-09-05 Ozgu Goksu , Nicolas Pugeault