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As a promising approach to deal with distributed data, Federated Learning (FL) achieves major advancements in recent years. FL enables collaborative model training by exploiting the raw data dispersed in multiple edge devices. However, the…

分布式、并行与集群计算 · 计算机科学 2023-12-12 Ji Liu , Juncheng Jia , Tianshi Che , Chao Huo , Jiaxiang Ren , Yang Zhou , Huaiyu Dai , Dejing Dou

Recommending items to users has long been a fundamental task, and studies have tried to improve it ever since. Most well-known models commonly employ representation learning to map users and items into a unified embedding space for matching…

Several real-world classification problems are example-dependent cost-sensitive in nature, where the costs due to misclassification vary between examples and not only within classes. However, standard classification methods do not take…

机器学习 · 计算机科学 2015-05-19 Alejandro Correa Bahnsen , Djamila Aouada , Bjorn Ottersten

Ensembles are popular methods for solving practical supervised learning problems. They reduce the risk of having underperforming models in production-grade software. Although critical, methods for learning heterogeneous regression ensembles…

机器学习 · 计算机科学 2018-04-18 Jihed Khiari , Luis Moreira-Matias , Ammar Shaker , Bernard Zenko , Saso Dzeroski

Ensembles of classifier models typically deliver superior performance and can outperform single classifier models given a dataset and classification task at hand. However, the gain in performance comes together with the lack in…

人机交互 · 计算机科学 2017-10-23 Bruno Schneider , Dominik Jäckle , Florian Stoffel , Alexandra Diehl , Johannes Fuchs , Daniel Keim

Neural networks and deep learning are changing the way that artificial intelligence is being done. Efficiently choosing a suitable network architecture and fine-tune its hyper-parameters for a specific dataset is a time-consuming task given…

机器学习 · 计算机科学 2019-05-16 David Laredo , Yulin Qin , Oliver Schütze , Jian-Qiao Sun

We are interested in developing a unified machine learning model over many mobile devices for practical learning tasks, where each device only has very few training data. This is a commonly encountered situation in mobile computing…

机器学习 · 计算机科学 2021-04-02 Chenyou Fan , Jianwei Huang

Machine Reading Comprehension (MRC) is an active field in natural language processing with many successful developed models in recent years. Despite their high in-distribution accuracy, these models suffer from two issues: high training…

计算与语言 · 计算机科学 2021-07-16 Razieh Baradaran , Hossein Amirkhani

In the era of Artificial Intelligence (AI), marketplaces have become essential platforms for facilitating the exchange of data products to foster data sharing. Model transactions provide economic solutions in data marketplaces that enhance…

机器学习 · 计算机科学 2025-09-24 Wenqian Li , Youjia Yang , Ruoxi Jia , Yan Pang

The classification problem is a significant topic in machine learning which aims to teach machines how to group together data by particular criteria. In this paper, a framework for the ensemble learning (EL) method based on group decision…

机器学习 · 计算机科学 2021-05-12 Jingyi He , Xiaojun Zhou , Rundong Zhang , Chunhua Yang

Educational data mining (EDM) is a new growing research area and the essence of data mining concepts are used in the educational field for the purpose of extracting useful information on the behaviors of students in the learning process. In…

数据库 · 计算机科学 2009-12-22 M. Ramaswami , R. Bhaskaran

Deep learning-based fault diagnosis (FD) approaches require a large amount of training data, which are difficult to obtain since they are located across different entities. Federated learning (FL) enables multiple clients to collaboratively…

机器学习 · 计算机科学 2023-10-16 Jixuan Cui , Jun Li , Zhen Mei , Kang Wei , Sha Wei , Ming Ding , Wen Chen , Song Guo

The federated learning paradigm is wellsuited for the field of medical image analysis, as it can effectively cope with machine learning on isolated multicenter data while protecting the privacy of participating parties. However, current…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Zhekai Zhou , Guibo Luo , Mingzhi Chen , Zhenyu Weng , Yuesheng Zhu

This paper introduces FedGenGMM, a novel one-shot federated learning approach for Gaussian Mixture Models (GMM) tailored for unsupervised learning scenarios. In federated learning (FL), where multiple decentralized clients collaboratively…

机器学习 · 计算机科学 2025-06-03 Sophia Zhang Pettersson , Kuo-Yun Liang , Juan Carlos Andresen

Analysis of human affect plays a vital role in human-computer interaction (HCI) systems. Due to the difficulty in capturing large amounts of real-life data, most of the current methods have mainly focused on controlled environments, which…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Jun Yu , Zhongpeng Cai , Peng He , Guocheng Xie , Qiang Ling

Learning probabilistic models that can estimate the density of a given set of samples, and generate samples from that density, is one of the fundamental challenges in unsupervised machine learning. We introduce a new generative model based…

机器学习 · 计算机科学 2020-06-11 Siavash A. Bigdeli , Geng Lin , Tiziano Portenier , L. Andrea Dunbar , Matthias Zwicker

Federated learning (FL) is a promising technique that enables a large amount of edge computing devices to collaboratively train a global learning model. Due to privacy concerns, the raw data on devices could not be available for centralized…

机器学习 · 计算机科学 2020-11-24 Miao Yang , Akitanoshou Wong , Hongbin Zhu , Haifeng Wang , Hua Qian

The performance of Federated Learning (FL) hinges on the effectiveness of utilizing knowledge from distributed datasets. Traditional FL methods adopt an aggregate-then-adapt framework, where clients update local models based on a global…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Yuan Wang , Huazhu Fu , Renuga Kanagavelu , Qingsong Wei , Yong Liu , Rick Siow Mong Goh

The credit spread is a key indicator in bond investments, offering valuable insights for fixed-income investors to devise effective trading strategies. This study proposes a novel credit spread forecasting model leveraging ensemble learning…

数值分析 · 数学 2024-12-16 Yu Shao , Jiawen Bai , Yingze Hou , Xia'an Zhou , Zhanhao Pan

Federated Learning (FL) enables multiple clients to collaboratively learn a machine learning model without exchanging their own local data. In this way, the server can exploit the computational power of all clients and train the model on a…

机器学习 · 计算机科学 2023-07-04 Song Wang , Xingbo Fu , Kaize Ding , Chen Chen , Huiyuan Chen , Jundong Li