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Graph Neural Networks (GNNs) have been taking role in many areas, thanks to their expressive power on graph-structured data. On the other hand, Mobile Ad-Hoc Networks (MANETs) are gaining attention as network technologies have been taken to…

机器学习 · 计算机科学 2022-12-20 Taha Tekdogan

Fast prediction of suspension rheology is fundamental for optimizing process efficiency and performance in numerous industrial settings. However, traditional simulations are computationally demanding due to explicit evaluation of contact…

软凝聚态物质 · 物理学 2026-02-10 Armin Aminimajd , Joao Maia , Abhinendra Singh

Graph Neural Network (GNN) inference is used in many real-world applications. Data sparsity in GNN inference, including sparsity in the input graph and the GNN model, offer opportunities to further speed up inference. Also, many pruning…

分布式、并行与集群计算 · 计算机科学 2023-03-24 Bingyi Zhang , Viktor Prasanna

Fraud detection is crucial in social service networks to maintain user trust and improve service network security. Existing spectral graph-based methods address this challenge by leveraging different graph filters to capture signals with…

机器学习 · 计算机科学 2025-05-05 Wenxin Zhang , Ding Xu , Xi Xuan , Lei Jiang , Guangzhen Yao , Renda Han , Xiangxiang Lang , Cuicui Luo

This paper presents fault detection and classification using Wavelet and ANN based methods in a DFIG-based series compensated system. The state-of-the art methods include Wavelet transform, Fourier transform, and Wavelet-neuro fuzzy…

系统与控制 · 电气工程与系统科学 2023-08-21 Satya Vikram Pratap Singh , Tanu Prasad , Siddharth Kamila , Prashant Agnihotri

Purpose: This paper aims to enhance bearing fault diagnosis in industrial machinery by introducing a novel method that combines Graph Attention Network (GAT) and Long Short-Term Memory (LSTM) networks. This approach captures both spatial…

This paper studies the key problems of bearing fault diagnosis of high-speed train. As the core component of the train operation system, the health of bearings is directly related to the safety of train operation. The traditional diagnostic…

机器学习 · 计算机科学 2025-12-09 Zhenhao Li , Xu Cheng , Yi Zhou

Feature-based image matching has extensive applications in computer vision. Keypoints detected in images can be naturally represented as graph structures, and Graph Neural Networks (GNNs) have been shown to outperform traditional deep…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Xianfeng Song , Yi Zou , Zheng Shi , Zheng Liu

The MIT/IEEE/Amazon GraphChallenge.org encourages community approaches to developing new solutions for analyzing graphs and sparse data. Sparse AI analytics present unique scalability difficulties. The proposed Sparse Deep Neural Network…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Jeremy Kepner , Simon Alford , Vijay Gadepally , Michael Jones , Lauren Milechin , Ryan Robinett , Sid Samsi

Graph neural networks (GNNs) have achieved remarkable performance on graph-structured data. However, GNNs may inherit prejudice from the training data and make discriminatory predictions based on sensitive attributes, such as gender and…

机器学习 · 计算机科学 2024-01-31 Yibo Li , Xiao Wang , Yujie Xing , Shaohua Fan , Ruijia Wang , Yaoqi Liu , Chuan Shi

We propose an end-to-end framework based on a Graph Neural Network (GNN) to balance the power flows in energy grids. The balancing is framed as a supervised vertex regression task, where the GNN is trained to predict the current and power…

机器学习 · 计算机科学 2022-08-15 Jonas Berg Hansen , Stian Normann Anfinsen , Filippo Maria Bianchi

Gas turbine engines are complex machines that typically generate a vast amount of data, and require careful monitoring to allow for cost-effective preventative maintenance. In aerospace applications, returning all measured data to ground is…

机器学习 · 计算机科学 2024-08-20 Adam Hartwell , Felipe Montana , Will Jacobs , Visakan Kadirkamanathan , Andrew R Mills , Tom Clark

Graph Neural Networks (GNNs) have emerged as a notorious alternative to address learning problems dealing with non-Euclidean datasets. However, although most works assume that the graph is perfectly known, the observed topology is prone to…

机器学习 · 计算机科学 2023-12-12 Victor M. Tenorio , Samuel Rey , Antonio G. Marques

In this work we propose a random graph model that can produce graphs at different levels of sparsity. We analyze how sparsity affects the graph spectra, and thus the performance of graph neural networks (GNNs) in node classification on…

社会与信息网络 · 计算机科学 2023-09-14 Luana Ruiz , Ningyuan Huang , Soledad Villar

The goal of the state estimation (SE) algorithm is to estimate complex bus voltages as state variables based on the available set of measurements in the power system. Because phasor measurement units (PMUs) are increasingly being used in…

机器学习 · 计算机科学 2023-02-02 Ognjen Kundacina , Mirsad Cosovic , Dejan Vukobratovic

Reliable fault detection is an essential requirement for safe and efficient operation of complex mechanical systems in various industrial applications. Despite the abundance of existing approaches and the maturity of the fault detection…

信号处理 · 电气工程与系统科学 2024-08-19 Tianfu Li , Chuang Sun , Ruqiang Yan , Xuefeng Chen

This work investigates the problem of detecting gravitational wave (GW) events based on simulated damped sinusoid signals contaminated with white Gaussian noise. It is treated as a classification problem with one class for the interesting…

天体物理仪器与方法 · 物理学 2020-06-01 Xiangru Li , Woliang Yu , Xilong Fan , G. Jogesh Babu

The existing matched filtering method for gravitational wave (GW) search relies on a template bank. The computational efficiency of this method scales with the size of the templates within the bank. Higher-order modes and eccentricity will…

天体物理仪器与方法 · 物理学 2024-02-27 CunLiang Ma , Sen Wang , Wei Wang , Zhoujiang Cao

Urban wind flow modeling and simulation play an important role in air quality assessment and sustainable city planning. A key challenge for modeling and simulation is handling the complex geometries of the urban landscape. Low order models…

机器学习 · 计算机科学 2025-12-18 Francisco Giral , Álvaro Manzano , Ignacio Gómez , Petros Koumoutsakos , Soledad Le Clainche

Graph neural networks (GNNs) are among the most powerful tools in deep learning. They routinely solve complex problems on unstructured networks, such as node classification, graph classification, or link prediction, with high accuracy.…

机器学习 · 计算机科学 2023-08-21 Maciej Besta , Torsten Hoefler