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We consider the structure learning problem for graphical models that we call loosely connected Markov random fields, in which the number of short paths between any pair of nodes is small, and present a new conditional independence test…

机器学习 · 统计学 2014-02-05 Rui Wu , R. Srikant , Jian Ni

This paper proposes a new paradigm for learning a set of independent logical rules in disjunctive normal form as an interpretable model for classification. We consider the problem of learning an interpretable decision rule set as training a…

机器学习 · 计算机科学 2021-03-15 Litao Qiao , Weijia Wang , Bill Lin

By relaxing conditions for natural structure learning algorithms, a family of constraint-based algorithms containing all exact structure learning algorithms under the faithfulness assumption, we define localised natural structure learning…

统计方法学 · 统计学 2024-05-28 Kai Z Teh , Kayvan Sadeghi , Terry Soo

Deep neural networks (DNNs) have achieved remarkable success in computer vision tasks such as image classification, segmentation, and object detection. However, they are vulnerable to adversarial attacks, which can cause incorrect…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Suklav Ghosh , Sonal Kumar , Arijit Sur

We propose "LEAPS", an algorithm to sample from discrete distributions known up to normalization by learning a rate matrix of a continuous-time Markov chain (CTMC). LEAPS can be seen as a continuous-time formulation of annealed importance…

机器学习 · 计算机科学 2025-08-14 Peter Holderrieth , Michael S. Albergo , Tommi Jaakkola

We propose a novel framework, called Markov-Lipschitz deep learning (MLDL), to tackle geometric deterioration caused by collapse, twisting, or crossing in vector-based neural network transformations for manifold-based representation…

机器学习 · 计算机科学 2020-10-01 Stan Z. Li , Zelin Zang , Lirong Wu

Complex textual information extraction tasks are often posed as sequence labeling or \emph{shallow parsing}, where fields are extracted using local labels made consistent through probabilistic inference in a graphical model with constrained…

机器学习 · 计算机科学 2018-10-01 Dung Thai , Sree Harsha Ramesh , Shikhar Murty , Luke Vilnis , Andrew McCallum

Discovering interpretable patterns for classification of sequential data is of key importance for a variety of fields, ranging from genomics to fraud detection or more generally interpretable decision-making. In this paper, we propose a…

机器学习 · 计算机科学 2023-02-23 Marine Collery , Philippe Bonnard , François Fages , Remy Kusters

Contrastive learning, which aims to capture general representation from unlabeled images to initialize the medical analysis models, has been proven effective in alleviating the high demand for expensive annotations. Current methods mainly…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Huai Chen , Renzhen Wang , Xiuying Wang , Jieyu Li , Qu Fang , Hui Li , Jianhao Bai , Qing Peng , Deyu Meng , Lisheng Wang

Deep neural networks (DNNs) have proven successful in a wide variety of applications such as speech recognition and synthesis, computer vision, machine translation, and game playing, to name but a few. However, existing deep neural network…

机器学习 · 计算机科学 2022-08-08 Ramit Pahwa

Metric learning seeks perceptual embeddings where visually similar instances are close and dissimilar instances are apart, but learned representations can be sub-optimal when the distribution of intra-class samples is diverse and distinct…

机器学习 · 计算机科学 2021-08-30 Elad Levi , Tete Xiao , Xiaolong Wang , Trevor Darrell

Both generative learning and discriminative learning have recently witnessed remarkable progress using Deep Neural Networks (DNNs). For structured input synthesis and structured output prediction problems (e.g., layout-to-image synthesis…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Wei Sun , Tianfu Wu

Learning a model of a stochastic setting often involves learning both general structure rules and specific properties of the instance. This paper investigates the interplay between learning the general and the specific in various learning…

计算与语言 · 计算机科学 2024-10-02 Eitan Wagner , Amir Feder , Omri Abend

We learn sensor trees from training data to minimize sensor acquisition costs during test time. Our system adaptively selects sensors at each stage if necessary to make a confident classification. We pose the problem as empirical risk…

机器学习 · 统计学 2015-09-11 Joseph Wang , Kirill Trapeznikov , Venkatesh Saligrama

Deep Metric Learning (DML), a widely-used technique, involves learning a distance metric between pairs of samples. DML uses deep neural architectures to learn semantic embeddings of the input, where the distance between similar examples is…

机器学习 · 计算机科学 2021-02-16 Thomas Kobber Panum , Zi Wang , Pengyu Kan , Earlence Fernandes , Somesh Jha

We propose a new approach, called cooperative neural networks (CoNN), which uses a set of cooperatively trained neural networks to capture latent representations that exploit prior given independence structure. The model is more flexible…

机器学习 · 计算机科学 2019-06-04 Harsh Shrivastava , Eugene Bart , Bob Price , Hanjun Dai , Bo Dai , Srinivas Aluru

It is common to address the curse of dimensionality in Markov decision processes (MDPs) by exploiting low-rank representations. This motivates much of the recent theoretical study on linear MDPs. However, most approaches require a given…

机器学习 · 计算机科学 2022-12-09 Tianjun Zhang , Tongzheng Ren , Mengjiao Yang , Joseph E. Gonzalez , Dale Schuurmans , Bo Dai

Learning from negative samples holds great promise for improving Large Language Model (LLM) reasoning capability, yet existing methods treat all incorrect responses as equally informative, overlooking the crucial role of sample quality. To…

机器学习 · 计算机科学 2026-02-05 Zixiang Di , Jinyi Han , Shuo Zhang , Ying Liao , Zhi Li , Xiaofeng Ji , Yongqi Wang , Zheming Yang , Ming Gao , Bingdong Li , Jie Wang

Extracting predictive models from nonlinear systems is a central task in scientific machine learning. One key problem is the reconciliation between modern data-driven approaches and first principles. Despite rapid advances in machine…

混沌动力学 · 物理学 2021-12-03 Tom Z. Jiahao , M. Ani Hsieh , Eric Forgoston

Affordances enable robots to have a semantic understanding of their surroundings. This allows them to have more acting flexibility when completing a given task. Capturing object affordances in a machine learning model is a difficult task,…

机器学习 · 计算机科学 2024-10-24 George Potter , Gertjan Burghouts , Joris Sijs