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Linear least-squares regression with a "design" matrix A approximates a given matrix B via minimization of the spectral- or Frobenius-norm discrepancy ||AX-B|| over every conformingly sized matrix X. Another popular approximation is…

统计方法学 · 统计学 2024-04-09 Mark Tygert

The paper is focused on the tradeoff between performance and decoding complexity per iteration for LDPC codes in terms of their gap (in rate) to capacity. The study of this tradeoff is done via information-theoretic bounds which also enable…

信息论 · 计算机科学 2007-07-13 Igal Sason , Gil Wiechman

Most existing person re-identification (ReID) methods have good feature representations to distinguish pedestrians with deep convolutional neural network (CNN) and metric learning methods. However, these works concentrate on the similarity…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Peng Chen , Tong Jia , Pengfei Wu , Jianjun Wu , Dongyue Chen

A temporal network is a dynamic graph where every edge is assigned an integer time label that indicates at which discrete time step the edge is available. We consider the problem of hierarchically decomposing the network and introduce an…

社会与信息网络 · 计算机科学 2024-11-14 Lutz Oettershagen , Athanasios L. Konstantinidis , Giuseppe F. Italiano

Heterogeneous information networks (HINs) are widely employed for describing real-world data with intricate entities and relationships. To automatically utilize their semantic information, graph neural architecture search has recently been…

机器学习 · 计算机科学 2022-11-29 Chao Li , Hao Xu , Kun He

Robust local feature representations are essential for spatial intelligence tasks such as robot navigation and augmented reality. Establishing reliable correspondences requires descriptors that provide both high discriminative power and…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Haodi Yao , Fenghua He , Ning Hao , Yao Su

The Pliable Index CODing (PICOD) problem is a variant of the Index Coding (IC) problem, where the desired messages by the users, who are equipped with message side information, is part of the optimization. This paper studies the PICOD…

信息论 · 计算机科学 2019-09-10 Tang Liu , Daniela Tuninetti

Covering problems are well-studied in the domain of Operations Research, and, more specifically, in Location Science. When the location space is a network, the most frequent assumption is to consider the candidate facility locations, the…

最优化与控制 · 数学 2023-01-18 Mercedes Pelegrín , Liding Xu

We consider the problem of computing dense correspondences between non-rigid shapes with potentially significant partiality. Existing formulations tackle this problem through heavy manifold optimization in the spectral domain, given…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Souhaib Attaiki , Gautam Pai , Maks Ovsjanikov

Machine learning models can perform well on in-distribution data but often fail on biased subgroups that are underrepresented in the training data, hindering the robustness of models for reliable applications. Such subgroups are typically…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Zeliang Zhang , Mingqian Feng , Zhiheng Li , Chenliang Xu

This chapter reviews the microeconometrics literature on partial identification, focusing on the developments of the last thirty years. The topics presented illustrate that the available data combined with credible maintained assumptions…

计量经济学 · 经济学 2020-04-27 Francesca Molinari

Emerging edge intelligence applications require the server to retrain and update deep neural networks deployed on remote edge nodes to leverage newly collected data samples. Unfortunately, it may be impossible in practice to continuously…

机器学习 · 计算机科学 2022-07-28 Zhongnan Qu , Cong Liu , Lothar Thiele

Centrality is one of the most fundamental metrics in network science. Despite an abundance of methods for measuring centrality of individual vertices, there are by now only a few metrics to measure centrality of individual edges. We modify…

物理与社会 · 物理学 2019-09-25 Timo Bröhl , Klaus Lehnertz

Unobserved confounding is a fundamental obstacle to establishing valid causal conclusions from observational data. Two complementary types of approaches have been developed to address this obstacle: obtaining identification using fortuitous…

统计方法学 · 统计学 2023-06-27 Ilya Shpitser , Zach Wood-Doughty , Eric J. Tchetgen Tchetgen

This study presents a discrete physics-informed neural network (dPINN) framework, enhanced with enforced interface constraints (EIC), for modeling physical systems using the domain decomposition method (DDM). Built upon finite element-style…

计算工程、金融与科学 · 计算机科学 2025-05-19 Jichao Yin , Mingxuan Li , Jianguang Fang , Hu Wang

In this paper, we propose a novel method to incorporate partial evidence in the inference of deep convolutional neural networks. Contrary to the existing, top performing methods, which either iteratively modify the input of the network or…

计算机视觉与模式识别 · 计算机科学 2020-03-06 Michal Koperski , Tomasz Konopczynski , Rafał Nowak , Piotr Semberecki , Tomasz Trzcinski

Generative recommendation (GR) has gained increasing attention for its promising performance compared to traditional models. A key factor contributing to the success of GR is the semantic ID (SID), which converts continuous semantic…

信息检索 · 计算机科学 2025-07-31 Clark Mingxuan Ju , Liam Collins , Leonardo Neves , Bhuvesh Kumar , Louis Yufeng Wang , Tong Zhao , Neil Shah

We derive lower bounds on the Bayes risk in decentralized estimation, where the estimator does not have direct access to the random samples generated conditionally on the random parameter of interest, but only to the data received from…

信息论 · 计算机科学 2016-07-05 Aolin Xu , Maxim Raginsky

Link prediction is one of the fundamental problems in network analysis. In many applications, notably in genetics, a partially observed network may not contain any negative examples of absent edges, which creates a difficulty for many…

机器学习 · 统计学 2013-01-30 Yunpeng Zhao , Elizaveta Levina , Ji Zhu

Normalized information distance (NID) uses the theoretical notion of Kolmogorov complexity, which for practical purposes is approximated by the length of the compressed version of the file involved, using a real-world compression program.…

计算复杂性 · 计算机科学 2009-10-23 Sebastiaan A. Terwijn , Leen Torenvliet , Paul M. B. Vitanyi
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