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We present Submatrix-wise Vector Embedding Learner (Swivel), a method for generating low-dimensional feature embeddings from a feature co-occurrence matrix. Swivel performs approximate factorization of the point-wise mutual information…

计算与语言 · 计算机科学 2016-02-09 Noam Shazeer , Ryan Doherty , Colin Evans , Chris Waterson

This paper presents a new approach of applying partial least squares method combined with a physical principle based dominant factor. The characteristic line intensity of the specific element was taken to build up the dominant factor to…

光学 · 物理学 2010-12-14 Zhe Wang , Jie Feng , Lizhi Li , Weidou Ni , Zheng Li

Linear Dynamical System (LDS) is an elegant mathematical framework for modeling and learning multivariate time series. However, in general, it is difficult to set the dimension of its hidden state space. A small number of hidden states may…

人工智能 · 计算机科学 2013-12-04 Zitao Liu , Milos Hauskrecht

The graph structure of a Bayesian network (BN) can be learned from data using the well-known score-and-search approach. Previous work has shown that incorporating structured representations of the conditional probability distributions…

机器学习 · 计算机科学 2022-06-22 Charupriya Sharma , Peter van Beek

Self-paced learning (SPL) mimics the cognitive process of humans, who generally learn from easy samples to hard ones. One key issue in SPL is the training process required for each instance weight depends on the other samples and thus…

机器学习 · 计算机科学 2018-07-09 Xuchao Zhang , Liang Zhao , Zhiqian Chen , Chang-Tien Lu

Limited availability of labeled data for machine learning on multimodal time-series extensively hampers progress in the field. Self-supervised learning (SSL) is a promising approach to learning data representations without relying on…

机器学习 · 计算机科学 2024-02-20 Shohreh Deldari , Dimitris Spathis , Mohammad Malekzadeh , Fahim Kawsar , Flora Salim , Akhil Mathur

Semi-supervised learning (SSL) tackles the label missing problem by enabling the effective usage of unlabeled data. While existing SSL methods focus on the traditional setting, a practical and challenging scenario called label Missing Not…

机器学习 · 计算机科学 2023-08-21 Yue Duan , Zhen Zhao , Lei Qi , Luping Zhou , Lei Wang , Yinghuan Shi

Multilevel network meta-regression (ML-NMR) enables population-adjusted indirect treatment comparisons by combining individual patient data (IPD) with aggregate data. When individual-level covariates are unavailable, ML-NMR marginalizes…

统计方法学 · 统计学 2026-03-12 Harlan Campbell , Charles C. Margossian , Jeroen P. Jansen , Paul Gustafson

Sparse principal component analysis (sparse PCA) is a widely used technique for dimensionality reduction in multivariate analysis, addressing two key limitations of standard PCA. First, sparse PCA can be implemented in high-dimensional low…

统计方法学 · 统计学 2025-10-07 Jan O. Bauer

The dynamics of two-component solitons is studied, analytically and numerically, in the framework of a system of coupled extended nonlinear Schr\"odinger equations, which incorporate the cross-phase modulation,…

斑图形成与孤子 · 物理学 2017-05-19 E. M. Gromov , B. A. Malomed , V. V. Tyutin

Least-squares models such as linear regression and Linear Discriminant Analysis (LDA) are amongst the most popular statistical learning techniques. However, since their computation time increases cubically with the number of features, they…

机器学习 · 计算机科学 2018-03-28 Matthias S. Treder

Understanding sequential information is a fundamental task for artificial intelligence. Current neural networks attempt to learn spatial and temporal information as a whole, limited their abilities to represent large scale spatial…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Bo Pang , Kaiwen Zha , Hanwen Cao , Jiajun Tang , Minghui Yu , Cewu Lu

We are interested in enabling autonomous agents to learn and reason about systems with hidden states, such as locking mechanisms. We cast this problem as learning the parameters of a discrete Partially Observable Markov Decision Process…

机器学习 · 计算机科学 2026-02-04 Seiji Shaw , Travis Manderson , Chad Kessens , Nicholas Roy

When cross-validating standard or extended Cox models, the commonly used criterion is the cross-validated partial loglikelihood using a naive or a van Houwelingen scheme -to make efficient use of the death times of the left out data in…

统计方法学 · 统计学 2018-10-09 Frédéric Bertrand , Philippe Bastien , Myriam Maumy-Bertrand

Self-supervised learning (SSL) has emerged as a crucial technique in image processing, encoding, and understanding, especially for developing today's vision foundation models that utilize large-scale datasets without annotations to enhance…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Chuang Niu , Wenjun Xia , Hongming Shan , Ge Wang

The Broad Learning System (BLS) has gained significant attention for its computational efficiency and less network parameters compared to deep learning structures. However, the standard BLS relies on the pseudoinverse solution, which…

系统与控制 · 电气工程与系统科学 2025-11-25 Zijing Li

We consider statistical models of estimation of a rank-one matrix (the spike) corrupted by an additive gaussian noise matrix in the sparse limit. In this limit the underlying hidden vector (that constructs the rank-one matrix) has a number…

信息论 · 计算机科学 2019-11-13 Jean Barbier , Nicolas Macris

Blind source separation (BSS) algorithms are unsupervised methods, which are the cornerstone of hyperspectral data analysis by allowing for physically meaningful data decompositions. BSS problems being ill-posed, the resolution requires…

信号处理 · 电气工程与系统科学 2022-09-28 Rémi Carloni Gertosio , Jérôme Bobin , Fabio Acero

Multimodal remote sensing technology significantly enhances the understanding of surface semantics by integrating heterogeneous data such as optical images, Synthetic Aperture Radar (SAR), and Digital Surface Models (DSM). However, in…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Xiaodong Zhang , Guanzhou Chen , Jiaqi Wang , Chenxi Liu , Xiaoliang Tan , Wenchao Guo , Xuyang Li , Xuanrui Wang , Zifan Wang

Accurate and early diagnosis of pneumonia through X-ray imaging is essential for effective treatment and improved patient outcomes. Recent advancements in machine learning have enabled automated diagnostic tools that assist radiologists in…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Mete Erdogan , Sebnem Demirtas