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Training Graph Neural Networks (GNNs) on large graphs is challenging due to the conflict between the high memory demand and limited GPU memory. Recently, distributed full-graph GNN training has been widely adopted to tackle this problem.…

分布式、并行与集群计算 · 计算机科学 2023-03-03 Meng Zhang , Qinghao Hu , Peng Sun , Yonggang Wen , Tianwei Zhang

Winograd convolution is originally proposed to reduce the computing overhead by converting multiplication in neural network (NN) with addition via linear transformation. Other than the computing efficiency, we observe its great potential in…

机器学习 · 计算机科学 2022-02-18 Xinghua Xue , Haitong Huang , Cheng Liu , Ying Wang , Tao Luo , Lei Zhang

The problem of learning long-term dependencies in sequences using Recurrent Neural Networks (RNNs) is still a major challenge. Recent methods have been suggested to solve this problem by constraining the transition matrix to be unitary…

机器学习 · 计算机科学 2017-06-14 Zakaria Mhammedi , Andrew Hellicar , Ashfaqur Rahman , James Bailey

Motivated by integrability of the sine-Gordon equation, we investigate a technique for constructing desired solutions to Einstein's equations by combining a dressing technique with a control-theory approach. After reviewing classical…

可精确求解与可积系统 · 物理学 2013-12-19 Shabnam Beheshti , A. Shadi Tahvildar-Zadeh

Graph neural networks (GNNs) have significantly improved the representation power for graph-structured data. Despite of the recent success of GNNs, the graph convolution in most GNNs have two limitations. Since the graph convolution is…

机器学习 · 计算机科学 2021-12-30 Jinyoung Park , Sungdong Yoo , Jihwan Park , Hyunwoo J. Kim

In a recent paper by the authors, a new approach--called the "embedding method"--was introduced, which allows to make use of exchangeable pairs for normal and multivariate normal approximation with Stein's method in cases where the…

概率论 · 数学 2009-12-18 Gesine Reinert , Adrian Röllin

The use of graph convolution in the development of recommender system algorithms has recently achieved state-of-the-art results in the collaborative filtering task (CF). While it has been demonstrated that the graph convolution operation is…

信息检索 · 计算机科学 2023-05-31 Edoardo D'Amico , Aonghus Lawlor , Neil Hurley

The majority of model-based learned image reconstruction methods in medical imaging have been limited to uniform domains, such as pixelated images. If the underlying model is solved on nonuniform meshes, arising from a finite element method…

图像与视频处理 · 电气工程与系统科学 2021-07-12 William Herzberg , Daniel B. Rowe , Andreas Hauptmann , Sarah J. Hamilton

By adding a linear term to a renormalization-group equation in a system exhibiting infinite-order phase transitions, asymptotic behavior of running coupling constants is derived in an algebraic manner. A benefit of this method is presented…

统计力学 · 物理学 2009-11-10 Hisamitsu Mukaida

We introduce a novel data-driven order reduction method for nonlinear control systems, drawing on recent progress in machine learning and statistical dimensionality reduction. The method rests on the assumption that the nonlinear system…

最优化与控制 · 数学 2011-06-15 Jake Bouvrie , Boumediene Hamzi

Convolutional neural networks (CNNs) have been employed along with Variational Monte Carlo methods for finding the ground state of quantum many-body spin systems with great success. In order to do so, however, a CNN with only linearly many…

量子物理 · 物理学 2022-10-04 Yilong Ju , Shah Saad Alam , Jonathan Minoff , Fabio Anselmi , Han Pu , Ankit Patel

Genome rearrangements are events in which large blocks of DNA exchange pieces during evolution. The analysis of such events is a tool for understanding evolutionary genomics, based on finding the minimum number of rearrangements to…

计算复杂性 · 计算机科学 2025-04-29 Luís Cunha , Thiago Lopes , Arnaud Mary

Lighter and faster image restoration (IR) models are crucial for the deployment on resource-limited devices. Binary neural network (BNN), one of the most promising model compression methods, can dramatically reduce the computations and…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Bin Xia , Yulun Zhang , Yitong Wang , Yapeng Tian , Wenming Yang , Radu Timofte , Luc Van Gool

Graph Neural Networks (GNNs) typically operate by message-passing, where the state of a node is updated based on the information received from its neighbours. Most message-passing models act as graph convolutions, where features are mixed…

A well-trained Convolutional Neural Network can easily be pruned without significant loss of performance. This is because of unnecessary overlap in the features captured by the network's filters. Innovations in network architecture such as…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Aaditya Prakash , James Storer , Dinei Florencio , Cha Zhang

The aim of this work is to develop a fully-distributed algorithmic framework for training graph convolutional networks (GCNs). The proposed method is able to exploit the meaningful relational structure of the input data, which are collected…

机器学习 · 计算机科学 2022-12-21 Simone Scardapane , Indro Spinelli , Paolo Di Lorenzo

A variety of modeling techniques have been developed in the past decade to reduce the computational expense and improve the accuracy of modeling. In this study, a new framework of modeling is suggested. Compared with other popular methods,…

机器学习 · 计算机科学 2018-09-06 Yu Li , Hu Wang , Kangjia Mo , Tao Zeng

Contraction analysis offers, through elegant mathematical developments, a unified way of designing observers for a general class of nonlinear systems, where the observer correction term is obtained by solving an infinite dimensional…

系统与控制 · 电气工程与系统科学 2024-11-15 Yasmine Marani , Israel Filho , Tareq Al-Naffouri , Taous-Meriem Laleg-Kirati

A simple class of unitary renormalization group transformations that force hamiltonians towards a band-diagonal form produce few-body interactions in which low- and high-energy states are decoupled, which can greatly simplify many-body…

核理论 · 物理学 2008-11-26 S. K. Bogner , R. J. Furnstahl , R. J. Perry

For a general three dimensional theory of (super-)gravity coupled to arbitrary matter fields with arbitrary set of higher derivative terms in the effective action, we give an algorithm for consistently truncating the theory to a theory of…

高能物理 - 理论 · 物理学 2009-05-20 Rajesh Kumar Gupta , Ashoke Sen