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The performance of traditional graph Laplacian methods for semi-supervised learning degrades substantially as the ratio of labeled to unlabeled data decreases, due to a degeneracy in the graph Laplacian. Several approaches have been…

偏微分方程分析 · 数学 2019-04-03 Jeff Calder , Dejan Slepcev

Composite likelihood estimation has an important role in the analysis of multivariate data for which the full likelihood function is intractable. An important issue in composite likelihood inference is the choice of the weights associated…

统计方法学 · 统计学 2015-12-15 Davide Ferrari , Chao Zheng

Objective-The main purpose of this paper is to construct a distributed clustering algorithm such that each distributed cluster can perform the data accuracy at their respective cluster head node before data aggregation and transmit the data…

网络与互联网体系结构 · 计算机科学 2011-01-12 Jyotirmoy Karjee , H. S Jamadagni

We discuss two well known network measures: the overlap weight of an edge and the clustering coefficient of a node. For both of them it turns out that they are not very useful for data analytic task to identify important elements (nodes or…

社会与信息网络 · 计算机科学 2020-02-06 Vladimir Batagelj

Large foundation models are typically trained on data from multiple domains, with the data mixture--the proportion of each domain used--playing a critical role in model performance. The standard approach to selecting this mixture relies on…

We consider the problem of approximating a function from $L^2$ by an element of a given $m$-dimensional space $V_m$, associated with some feature map $\boldsymbol{\varphi}$, using evaluations of the function at random points $x_1,…

数值分析 · 数学 2025-08-01 Anthony Nouy , Bertrand Michel

The ability to infer map variables and estimate pose is crucial to the operation of autonomous mobile robots. In most cases the shared dependency between these variables is modeled through a multivariate Gaussian distribution, but there are…

机器人学 · 计算机科学 2020-08-04 John D. Martin , Kevin Doherty , Caralyn Cyr , Brendan Englot , John Leonard

We introduce a new approach to prediction in graphical models with latent-shift adaptation, i.e., where source and target environments differ in the distribution of an unobserved confounding latent variable. Previous work has shown that as…

机器学习 · 统计学 2023-06-26 William I. Walker , Arthur Gretton , Maneesh Sahani

We prove genuinely multilinear weighted estimates for singular integrals in product spaces. The estimates complete the qualitative weighted theory in this setting. Such estimates were previously known only in the one-parameter situation.…

经典分析与常微分方程 · 数学 2021-10-07 Kangwei Li , Henri Martikainen , Emil Vuorinen

In this study, we introduce an innovative methodology aimed at enhancing Fisher's Linear Discriminant Analysis (LDA) in the context of high-dimensional data classification scenarios, specifically addressing situations where each feature…

应用统计 · 统计学 2024-01-18 Seungyeon Oh , Hoyoung Park

Semantic understanding of 3D point cloud relies on learning models with massively annotated data, which, in many cases, are expensive or difficult to collect. This has led to an emerging research interest in semi-supervised learning (SSL)…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Xian Shi , Xun Xu , Wanyue Zhang , Xiatian Zhu , Chuan Sheng Foo , Kui Jia

The propensity score is widely used for causal inference in observational studies, but common parametric estimators can produce biased and inefficient effect estimates when model assumptions are violated. Nonparametric approaches reduce…

统计方法学 · 统计学 2026-04-09 Maosen Peng , Yan Li , Chong Wu , Liang Li

Recent developments in the field of deep learning for 3D data have demonstrated promising potential for end-to-end learning directly from point clouds. However, many real-world point clouds contain a large class im-balance due to the…

计算机视觉与模式识别 · 计算机科学 2019-06-19 David Griffiths , Jan Boehm

The problem of overdispersion in multivariate count data is a challenging issue. Nowadays, it covers a central role mainly due to the relevance of modern technologies data, such as Next Generation Sequencing and textual data from the web or…

统计方法学 · 统计学 2025-02-24 Noemi Corsini , Cinzia Viroli

We study weighted M-estimators for $\mathbb{R}^d$-valued clustered data and give sufficient conditions for their consistency. Their asymptotic normality is established with estimation of the asymptotic covariance matrix. We address the…

统计理论 · 数学 2016-01-14 Mohammed El Asri , Delphine Blanke , Edith Gabriel

Neural networks are usually not the tool of choice for nonparametric high-dimensional problems where the number of input features is much larger than the number of observations. Though neural networks can approximate complex multivariate…

统计方法学 · 统计学 2019-06-25 Jean Feng , Noah Simon

Incorporating auxiliary information alongside primary data can significantly enhance the accuracy of simultaneous inference. However, existing multiple testing methods face challenges in efficiently incorporating complex side information,…

统计方法学 · 统计学 2025-02-11 Ziyi Liang , T. Tony Cai , Wenguang Sun , Yin Xia

Existing deep neural network (DNN) based wireless localization approaches typically do not capture uncertainty inherent in their estimates. In this work, we propose and evaluate variational and scalable DNN approaches to measure the…

信号处理 · 电气工程与系统科学 2021-06-10 Artan Salihu , Stefan Schwarz , Markus Rupp

Large language models (LLMs) have achieved remarkable success across various artificial intelligence tasks. However, their enormous sizes and computational demands pose significant challenges for the deployment on edge devices. To address…

分布式、并行与集群计算 · 计算机科学 2025-02-19 Kai Zhang , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Machine Learning requires a large amount of training data in order to build accurate models. Sometimes the data arrives over time, requiring significant storage space and recalculating the model to account for the new data. On-line learning…

机器学习 · 计算机科学 2023-07-07 Mohammad Abu-Shaira , Greg Speegle