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Using a Bayesian network to analyze the causal relationship between nodes is a hot spot. The existing network learning algorithms are mainly constraint-based and score-based network generation methods. The constraint-based method is mainly…

机器学习 · 计算机科学 2022-12-07 Baokui Mou

Precision matrix, which is the inverse of covariance matrix, plays an important role in statistics, as it captures the partial correlation between variables. Testing the equality of two precision matrices in high dimensional setting is a…

统计方法学 · 统计学 2018-10-23 Mingjuan Zhang , Yong He , Cheng Zhou , Xinsheng Zhang

We derive minimax testing errors in a distributed framework where the data is split over multiple machines and their communication to a central machine is limited to $b$ bits. We investigate both the $d$- and infinite-dimensional signal…

统计理论 · 数学 2022-12-13 Botond Szabó , Lasse Vuursteen , Harry van Zanten

This work investigates the electrical impedance tomography (EIT) problem when only limited boundary measurements are available, which is known to be challenging due to the extreme ill-posedness. Based on the direct sampling method (DSM), we…

数值分析 · 数学 2020-09-18 Ruchi Guo , Jiahua Jiang

In various scenarios motivated by real life, such as medical data analysis, autonomous driving, and adversarial training, we are interested in robust deep networks. A network is robust when a relatively small perturbation of the input…

机器学习 · 计算机科学 2024-10-07 Patryk Krukowski , Daniel Wilczak , Jacek Tabor , Anna Bielawska , Przemysław Spurek

Large-scale multiple testing is a fundamental problem in high dimensional statistical inference. It is increasingly common that various types of auxiliary information, reflecting the structural relationship among the hypotheses, are…

统计方法学 · 统计学 2021-10-07 Hongyuan Cao , Jun Chen , Xianyang Zhang

The empirical risk minimization approach to data-driven decision making requires access to training data drawn under the same conditions as those that will be faced when the decision rule is deployed. However, in a number of settings, we…

统计方法学 · 统计学 2025-09-17 Roshni Sahoo , Lihua Lei , Stefan Wager

Networked data, in which every training example involves two objects and may share some common objects with others, is used in many machine learning tasks such as learning to rank and link prediction. A challenge of learning from networked…

机器学习 · 计算机科学 2017-11-23 Yuanhong Wang , Yuyi Wang , Xingwu Liu , Juhua Pu

We propose a goodness-of-fit test for degree-corrected stochastic block models (DCSBM). The test is based on an adjusted chi-square statistic for measuring equality of means among groups of $n$ multinomial distributions with $d_1,\dots,d_n$…

统计理论 · 数学 2022-09-23 Linfan Zhang , Arash A. Amini

The problem of binary hypothesis testing between two probability measures is considered. New sharp bounds are derived for the best achievable error probability of such tests based on independent and identically distributed observations.…

信息论 · 计算机科学 2024-05-30 Valentinian Lungu , Ioannis Kontoyiannis

We study distributed binary hypothesis testing with a single sensor and two remote decision centers that are also equipped with local sensors. The communication between the sensor and the two decision centers takes place over three links: a…

信息论 · 计算机科学 2022-02-07 Mustapha Hamad , Mireille Sarkiss , Michèle Wigger

Permutation tests are widely used in statistics, providing a finite-sample guarantee on the type I error rate whenever the distribution of the samples under the null hypothesis is invariant to some rearrangement. Despite its increasing…

统计理论 · 数学 2022-05-26 Ilmun Kim , Sivaraman Balakrishnan , Larry Wasserman

We consider the problem of two-sample testing in a semi-supervised setting with abundant unlabeled covariate data. Standard two-sample tests neglect covariate information, which has the potential to significantly boost performance. However,…

机器学习 · 统计学 2026-05-05 Gyumin Lee , Shubhanshu Shekhar , Ilmun Kim

The goal of influence maximization (IM) is to select a small set of seed nodes which maximizes the spread of influence on a network. In this work, we propose BOPIM, a Bayesian Optimization (BO) algorithm for IM on temporal networks. The IM…

社会与信息网络 · 计算机科学 2026-03-11 Eric Yanchenko

In this work we evaluate the excitation and measurement patterns (EMP) for networks with tree topology. We investigate guidelines for the selection of the minimal EMPs, i.e. those with the least number of excited and measured nodes…

物理与社会 · 物理学 2026-05-14 Eduardo Mapurunga , Alexandre Sanfelici Bazanella

Though deep learning has been applied successfully in many scenarios, malicious inputs with human-imperceptible perturbations can make it vulnerable in real applications. This paper proposes an error-correcting neural network (ECNN) that…

机器学习 · 计算机科学 2021-05-10 Yang Song , Qiyu Kang , Wee Peng Tay

Deep Neural Networks (DNNs) are analyzed via the theoretical framework of the information bottleneck (IB) principle. We first show that any DNN can be quantified by the mutual information between the layers and the input and output…

机器学习 · 计算机科学 2015-03-10 Naftali Tishby , Noga Zaslavsky

This paired article aims to develop an automated and programmable biochemical fully connected neural network (BFCNN) with solid theoretical support. In Part I, a concrete design for BFCNN is presented, along with the validation of the…

动力系统 · 数学 2024-01-17 Yuzhen Fan , Xiaoyu Zhang , Chuanhou Gao , Denis Dochain

Training multiple deep neural networks (DNNs) and averaging their outputs is a simple way to improve the predictive performance. Nevertheless, the multiplied training cost prevents this ensemble method to be practical and efficient. Several…

机器学习 · 计算机科学 2021-10-27 Feng Wang , Guoyizhe Wei , Qiao Liu , Jinxiang Ou , Xian Wei , Hairong Lv

In the study of social networks, a fundamental problem is that of influence maximization (IM): How can we maximize the collective opinion of individuals in a network given constrained marketing resources? Traditionally, the IM problem has…

无序系统与神经网络 · 物理学 2016-09-30 Christopher Lynn , Daniel D. Lee