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Graph neural networks (GNNs) have extended the success of deep neural networks (DNNs) to non-Euclidean graph data, achieving ground-breaking performance on various tasks such as node classification and graph property prediction.…

机器学习 · 计算机科学 2021-12-17 Tianfeng Liu , Yangrui Chen , Dan Li , Chuan Wu , Yibo Zhu , Jun He , Yanghua Peng , Hongzheng Chen , Hongzhi Chen , Chuanxiong Guo

Determinantal consensus clustering is a promising and attractive alternative to partitioning about medoids and k-means for ensemble clustering. Based on a determinantal point process or DPP sampling, it ensures that subsets of similar…

统计计算 · 统计学 2021-02-09 Serge Vicente , Alejandro Murua

We propose a generalized multiscale finite element method (GMsFEM) based on clustering algorithm to study the elliptic PDEs with random coefficients in the multi-query setting. Our method consists of offline and online stages. In the…

数值分析 · 数学 2018-08-01 Eric T. Chung , Yalchin Efendiev , Wing Tat Leung , Zhiwen Zhang

Distributed Gaussian process (DGP) is a popular approach to scale GP to big data which divides the training data into some subsets, performs local inference for each partition, and aggregates the results to acquire global prediction. To…

机器学习 · 计算机科学 2022-02-08 Hamed Jalali , Gjergji Kasneci

Graph neural networks (GNNs) have been widely adopted for semi-supervised learning on graphs. A recent study shows that the graph random neural network (GRAND) model can generate state-of-the-art performance for this problem. However, it is…

机器学习 · 计算机科学 2022-03-15 Wenzheng Feng , Yuxiao Dong , Tinglin Huang , Ziqi Yin , Xu Cheng , Evgeny Kharlamov , Jie Tang

We describe a straightforward method to generate a random prime q such that the multiplicative group GF(q)* also has a random large prime-order subgroup. The described algorithm also yields this order p as well as a p'th primitive root of…

计算复杂性 · 计算机科学 2022-05-02 Pascal Giorgi , Bruno Grenet , Armelle Perret du Cray , Daniel S. Roche

Generative neural networks are able to mimic intricate probability distributions such as those of handwritten text, natural images, etc. Since their inception several models were proposed. The most successful of these were based on…

机器学习 · 计算机科学 2024-09-18 Daniel N. Nissani

Large pre-trained models have demonstrated extensive applications across various fields. However, fine-tuning these models for specific downstream tasks demands significant computational resources and storage. One fine-tuning method,…

机器学习 · 计算机科学 2025-07-02 Xuanbo Liu , Liu Liu , Fuxiang Wu , Fusheng Hao , Xianglong Liu

Generalized belief propagation (GBP) has proven to be a promising technique for approximate inference tasks in AI and machine learning. However, the choice of a good set of clusters to be used in GBP has remained more of an art then a…

人工智能 · 计算机科学 2012-07-19 Max Welling

Gaussian processes (GPs) are widely used as surrogate models for complicated functions in scientific and engineering applications. In many cases, prior knowledge about the function to be approximated, such as monotonicity, is available and…

机器学习 · 统计学 2025-07-10 Chao Zhang , Jasper M. Everink , Jakob Sauer Jørgensen

Over the last decades, various "non-linear" MCMC methods have arisen. While appealing for their convergence speed and efficiency, their practical implementation and theoretical study remain challenging. In this paper, we introduce a…

统计理论 · 数学 2022-08-04 Grégoire Clarté , Antoine Diez , Jean Feydy

A fast forward feature selection algorithm is presented in this paper. It is based on a Gaussian mixture model (GMM) classifier. GMM are used for classifying hyperspectral images. The algorithm selects iteratively spectral features that…

计算机视觉与模式识别 · 计算机科学 2015-01-06 Mathieu Fauvel , Clement Dechesne , Anthony Zullo , Frédéric Ferraty

In this paper, we unify popular non-rigid registration methods for point sets and surfaces under our general framework, GiNGR. GiNGR builds upon Gaussian Process Morphable Models (GPMM) and hence separates modeling the deformation prior…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Dennis Madsen , Jonathan Aellen , Andreas Morel-Forster , Thomas Vetter , Marcel Lüthi

A generic rectangulation is a partition of a rectangle into finitely many interior-disjoint rectangles, such that no four rectangles meet in a point. In this work we present a versatile algorithmic framework for exhaustively generating a…

组合数学 · 数学 2021-11-02 Arturo Merino , Torsten Mütze

Despite their promise and ubiquity, Gaussian processes (GPs) can be difficult to use in practice due to the computational impediments of fitting and sampling from them. Here we discuss a short R package for efficient multivariate normal…

统计计算 · 统计学 2015-07-23 Giri Gopalan , Luke Bornn

Although General Relativity (GR) is a very successful theory of gravity, it cannot explain every observational phenomenon. People have tried many kinds of modified gravity theory to explain these phenomena which GR cannot explain very well,…

高能物理 - 理论 · 物理学 2024-04-19 Shunrui Li , Yang Liu

Grasp pose detection in cluttered, real-world environments remains a significant challenge due to noisy and incomplete sensory data combined with complex object geometries. This paper introduces Grasp the Graph 2.0 (GtG 2.0) method, a…

机器人学 · 计算机科学 2026-01-12 Ali Rashidi Moghadam , Sayedmohammadreza Rastegari , Mehdi Tale Masouleh , Ahmad Kalhor

Graph Neural Networks (GNNs) are popular for graph machine learning and have shown great results on wide node classification tasks. Yet, they are less popular for practical deployments in the industry owing to their scalability challenges…

机器学习 · 计算机科学 2022-03-24 Shichang Zhang , Yozen Liu , Yizhou Sun , Neil Shah

Random partition distribution is a crucial tool for model-based clustering. This study advances the field of random partition in the context of functional spatial data, focusing on the challenges posed by hourly population data across…

统计方法学 · 统计学 2025-06-05 Tomoya Wakayama , Shonosuke Sugasawa , Genya Kobayashi

Group recommendation aims at providing optimized recommendations tailored to diverse groups, enabling groups to enjoy appropriate items. On the other hand, most existing group recommendation methods are built upon deep neural network (DNN)…

信息检索 · 计算机科学 2025-02-14 Chae-Hyun Kim , Yoon-Ryung Choi , Jin-Duk Park , Won-Yong Shin