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We propose a numerical method to obtain an adequate value for the upper bound on the rank for the tensor completion problem on the variety of third-order tensors of bounded tensor-train rank. The method is inspired by the parametrization of…

最优化与控制 · 数学 2024-09-10 Charlotte Vermeylen , Guillaume Olikier , P. -A. Absil , Marc Van Barel

We present a windowed technique to learn parsimonious time-varying autoregressive models from multivariate timeseries. This unsupervised method uncovers interpretable spatiotemporal structure in data via non-smooth and non-convex…

机器学习 · 统计学 2020-05-21 Kameron Decker Harris , Aleksandr Aravkin , Rajesh Rao , Bingni Wen Brunton

One of the key problems in tensor completion is the number of uniformly random sample entries required for recovery guarantee. The main aim of this paper is to study $n_1 \times n_2 \times n_3$ third-order tensor completion based on…

机器学习 · 统计学 2022-01-25 Guang-Jing Song , Michael K. Ng , Xiongjun Zhang

This study proposes the first Bayesian approach for learning high-dimensional linear Bayesian networks. The proposed approach iteratively estimates each element of the topological ordering from backward and its parent using the inverse of a…

机器学习 · 统计学 2023-11-28 Seyong Hwang , Kyoungjae Lee , Sunmin Oh , Gunwoong Park

The goal of tensor completion is to fill in missing entries of a partially known tensor (possibly including some noise) under a low-rank constraint. This may be formulated as a least-squares problem. The set of tensors of a given…

数值分析 · 数学 2018-12-03 Gennadij Heidel , Volker Schulz

Effective non-parametric density estimation is a key challenge in high-dimensional multivariate data analysis. In this paper,we propose a novel approach that builds upon tensor factorization tools. Any multivariate density can be…

机器学习 · 统计学 2022-10-19 Magda Amiridi , Nikos Kargas , Nicholas D. Sidiropoulos

We study a regularized variant of the Bayesian Persuasion problem, where the receiver's decision process includes a divergence-based penalty that accounts for deviations from perfect rationality. This modification smooths the underlying…

最优化与控制 · 数学 2025-10-03 Romain Duboscq , Frédéric de Gournay

Using the matrix product state (MPS) representation of tensor train decompositions, in this paper we propose a tensor completion algorithm which alternates over the matrices (tensors) in the MPS representation. This development is motivated…

数值分析 · 计算机科学 2016-10-03 Wenqi Wang , Vaneet Aggarwal , Shuchin Aeron

We propose a set of convex low rank inducing norms for a coupled matrices and tensors (hereafter coupled tensors), which shares information between matrices and tensors through common modes. More specifically, we propose a mixture of the…

机器学习 · 统计学 2018-06-15 Kishan Wimalawarne , Makoto Yamada , Hiroshi Mamitsuka

We provide guarantees for learning latent variable models emphasizing on the overcomplete regime, where the dimensionality of the latent space can exceed the observed dimensionality. In particular, we consider multiview mixtures, spherical…

机器学习 · 计算机科学 2014-12-18 Animashree Anandkumar , Rong Ge , Majid Janzamin

Tensor rank learning for canonical polyadic decomposition (CPD) has long been deemed as an essential yet challenging problem. In particular, since the tensor rank controls the complexity of the CPD model, its inaccurate learning would cause…

机器学习 · 计算机科学 2022-03-30 Lei Cheng , Zhongtao Chen , Qingjiang Shi , Yik-Chung Wu , Sergios Theodoridis

In this paper, we propose a new approach to solve low-rank tensor completion and robust tensor PCA. Our approach is based on some novel notion of (even-order) tensor ranks, to be called the M-rank, the symmetric M-rank, and the strongly…

最优化与控制 · 数学 2018-10-11 Bo Jiang , Shiqian Ma , Shuzhong Zhang

The Tensor-Train (TT) format is a highly compact low-rank representation for high-dimensional tensors. TT is particularly useful when representing approximations to the solutions of certain types of parametrized partial differential…

We present a flexible Bayesian semiparametric mixed model for longitudinal data analysis in the presence of potentially high-dimensional categorical covariates. Building on a novel hidden Markov tensor decomposition technique, our proposed…

统计方法学 · 统计学 2022-08-05 Giorgio Paulon , Peter Müller , Abhra Sarkar

This paper studies the low-rank matrix completion problem from an information theoretic perspective. The completion problem is rephrased as a communication problem of an (uncoded) low-rank matrix source over an erasure channel. The paper…

信息论 · 计算机科学 2016-09-08 Sriram Vishwanath

In tensor completion tasks, the traditional low-rank tensor decomposition models suffer from the laborious model selection problem due to their high model sensitivity. In particular, for tensor ring (TR) decomposition, the number of model…

机器学习 · 计算机科学 2018-12-03 Longhao Yuan , Chao Li , Danilo Mandic , Jianting Cao , Qibin Zhao

We consider rank-one symmetric tensor estimation when the tensor is corrupted by Gaussian noise and the spike forming the tensor is a structured signal coming from a generalized linear model. The latter is a mathematically tractable model…

信息论 · 计算机科学 2020-06-29 Clément Luneau , Nicolas Macris

In this paper we provide a latent-variable formulation and solution to the recommender system (RS) problem in terms of a fundamental property that any reasonable solution should be expected to satisfy. Specifically, we examine a novel…

信息检索 · 计算机科学 2022-07-05 Tung Nguyen , Sang T. Truong , Jeffrey Uhlmann

The aim of reduced rank regression is to connect multiple response variables to multiple predictors. This model is very popular, especially in biostatistics where multiple measurements on individuals can be re-used to predict multiple…

统计方法学 · 统计学 2022-06-20 The Tien Mai , Pierre Alquier

Streaming tensor factorization is a powerful tool for processing high-volume and multi-way temporal data in Internet networks, recommender systems and image/video data analysis. Existing streaming tensor factorization algorithms rely on…

机器学习 · 统计学 2019-01-01 Cole Hawkins , Zheng Zhang