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Federated learning is a new framework that protects data privacy and allows multiple devices to cooperate in training machine learning models. Previous studies have proposed multiple approaches to eliminate the challenges posed by non-iid…

机器学习 · 计算机科学 2025-01-13 Shunxin Guo , Hongsong Wang , Shuxia Lin , Xu Yang , Xin Geng

With the prevalence of Large Learning Models (LLM), Split Federated Learning (SFL), which divides a learning model into server-side and client-side models, has emerged as an appealing technology to deal with the heavy computational burden…

分布式、并行与集群计算 · 计算机科学 2025-01-03 Yipeng Liang , Qimei Chen , Guangxu Zhu , Muhammad Kaleem Awan , Hao Jiang

Precise representation of large-scale undirected network is the basis for understanding relations within a massive entity set. The undirected network representation task can be efficiently addressed by a symmetry non-negative latent factor…

机器学习 · 计算机科学 2022-03-09 Weiling Li , Xin Luo

In a modern observational study based on healthcare databases, the number of observations and of predictors typically range in the order of $10^5$ ~ $10^6$ and of $10^4$ ~ $10^5$. Despite the large sample size, data rarely provide…

统计计算 · 统计学 2022-03-30 Akihiko Nishimura , Marc A. Suchard

In neuroscience, researchers typically conduct experiments under multiple conditions to acquire neural responses in the form of high-dimensional spike train datasets. Analysing high-dimensional spike data is a challenging statistical…

机器学习 · 计算机科学 2024-10-28 Yididiya Y. Nadew , Xuhui Fan , Christopher J. Quinn

Current LiDAR-only 3D detection methods inevitably suffer from the sparsity of point clouds. Many multi-modal methods are proposed to alleviate this issue, while different representations of images and point clouds make it difficult to fuse…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Xiaopei Wu , Liang Peng , Honghui Yang , Liang Xie , Chenxi Huang , Chengqi Deng , Haifeng Liu , Deng Cai

Most machine learning and deep neural network algorithms rely on certain iterative algorithms to optimise their utility/cost functions, e.g. Stochastic Gradient Descent. In distributed learning, the networked nodes have to work…

分布式、并行与集群计算 · 计算机科学 2017-10-06 Liang Wang , Ben Catterall , Richard Mortier

Extracting meaningful information from high-dimensional data poses a formidable modeling challenge, particularly when the data is obscured by noise or represented through different modalities. This research proposes a novel non-parametric…

机器学习 · 计算机科学 2024-08-27 Navid Ziaei , Behzad Nazari , Uri T. Eden , Alik Widge , Ali Yousefi

Set-point tracking for systems with unknown model parameters is a fundamental problem in control, and two-degree-of-freedom (2DOF) Proportional-Integral (PI) controllers -- consisting of a feedforward controller and PI controller -- are…

最优化与控制 · 数学 2026-01-08 Taiga Kiyota , Kazuhiro Sato

Prediction-powered inference (PPI) is a method that improves statistical estimates based on limited human-labeled data. PPI achieves this by combining small amounts of human-labeled data with larger amounts of data labeled by a reasonably…

机器学习 · 计算机科学 2024-12-05 Adam Fisch , Joshua Maynez , R. Alex Hofer , Bhuwan Dhingra , Amir Globerson , William W. Cohen

Inverse problems are paramount in Science and Engineering. In this paper, we consider the setup of Statistical Inverse Problem (SIP) and demonstrate how Stochastic Gradient Descent (SGD) algorithms can be used in the linear SIP setting. We…

机器学习 · 统计学 2022-11-29 Yuri R. Fonseca , Yuri F. Saporito

Controlling the behaviors of large language models (LLM) is fundamental to their safety alignment and reliable deployment. However, existing steering methods are primarily driven by empirical insights and lack theoretical performance…

机器学习 · 计算机科学 2026-05-19 Dung V. Nguyen , Hieu M. Vu , Nhi Y. Pham , Lei Zhang , Tan M. Nguyen

This paper introduces a method for Model Predictive Path Integral (MPPI) control that optimizes sample generation towards an optimal trajectory through Stein Variational Gradient Descent (SVGD). MPPI relies upon predictive rollout of…

机器人学 · 计算机科学 2026-04-01 Jace Aldrich , Odest Chadwicke Jenkins

Current Large Language Models (LLMs) are primarily based on large-scale dense matrix multiplications. Inspired by the brain's information processing mechanism, we explore the fundamental question: how to effectively integrate the brain's…

神经与进化计算 · 计算机科学 2026-04-21 Han Xu , Xuerui Qiu , Baiyu Chen , Xinhao Luo , Xingrun Xing , Jiahong Zhang , Bo Lei , Tiejun Huang , Bo Xu , Guoqi Li

When applied to large-scale learning problems, the conventional wisdom on privacy-preserving deep learning, known as Differential Private Stochastic Gradient Descent (DP-SGD), has met with limited success due to significant performance…

机器学习 · 计算机科学 2021-12-30 Jian Du , Haitao Mi

Gaussian Process Factor Analysis (GPFA) has been broadly applied to the problem of identifying smooth, low-dimensional temporal structure underlying large-scale neural recordings. However, spike trains are non-Gaussian, which motivates…

This paper presents a PID tuning method based on step response curve fitting (PID-SRCF) that utilizes L2-norm minimization for precise reference tracking and explicit transient response shaping. The algorithm optimizes controller parameters…

系统与控制 · 电气工程与系统科学 2026-05-21 Senol Gulgonul

Graph Neural Networks (GNNs) are powerful learning methods for recommender systems owing to their robustness in handling complicated user-item interactions. Recently, the integration of contrastive learning with GNNs has demonstrated…

机器学习 · 计算机科学 2024-08-12 Junfeng Long , Hao Wu

Large language models (LLMs) offer an inexpensive yet powerful way to annotate text, but are often inconsistent when compared with experts. These errors can bias downstream estimates of population parameters such as regression coefficients…

计算与语言 · 计算机科学 2025-09-22 Nicolas Audinet de Pieuchon , Adel Daoud , Connor T. Jerzak , Moa Johansson , Richard Johansson

In large-scale traffic optimization, models based on Macroscopic Fundamental Diagram (MFD) are recognized for their efficiency in broad network analyses. However, they fail to reflect variations in the individual traffic status of each road…

机器学习 · 计算机科学 2025-05-20 Zhixiong Jin , Dimitrios Tsitsokas , Nikolas Geroliminis , Ludovic Leclercq