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Provenance-based intrusion detection is an increasingly popular application of graphical machine learning in cybersecurity, where system activities are modeled as provenance graphs to capture causality and correlations among potentially…

密码学与安全 · 计算机科学 2025-11-14 Lingzhi Wang , Vinod Yegneswaran , Xinyi Shi , Ziyu Li , Ashish Gehani , Yan Chen

Graph neural networks (GNN) are a promising tool to predict magnetic properties of large multi-grain structures, which can speed up the search for rare-earth free permanent magnets. In this paper, we use our magnetic simulation data to…

Fraud detection problems are usually formulated as a machine learning problem on a graph. Recently, Graph Neural Networks (GNNs) have shown solid performance on fraud detection. The successes of most previous methods heavily rely on rich…

机器学习 · 计算机科学 2021-10-05 Chen Wang , Yingtong Dou , Min Chen , Jia Chen , Zhiwei Liu , Philip S. Yu

As real-world graphs expand in size, larger GNN models with billions of parameters are deployed. High parameter count in such models makes training and inference on graphs expensive and challenging. To reduce the computational and memory…

机器学习 · 计算机科学 2023-02-27 Hongwu Peng , Deniz Gurevin , Shaoyi Huang , Tong Geng , Weiwen Jiang , Omer Khan , Caiwen Ding

We study the applicability of GNNs to the problem of wind energy forecasting. We find that certain architectures achieve performance comparable to our best CNN-based benchmark. The study is conducted on three wind power facilities using…

机器学习 · 计算机科学 2025-07-02 Javier Castellano , Ignacio Villanueva

This paper presents a novel feature fusion-based deep learning model (called CASU2Net) for fault detection in offshore wind turbines. The proposed CASU2Net model benefits of a two-step early fusion to enrich features in the final stage.…

系统与控制 · 电气工程与系统科学 2021-08-27 Soorena Salari , Nasser Sadati

We address the efficiency issue for the construction of a deep graph neural network (GNN). The approach exploits the idea of representing each input graph as a fixed point of a dynamical system (implemented through a recurrent neural…

机器学习 · 计算机科学 2019-11-21 Claudio Gallicchio , Alessio Micheli

Graph Neural Networks (GNNs) have achieved state-of-the-art performance in solving graph classification tasks. However, most GNN architectures aggregate information from all nodes and edges in a graph, regardless of their relevance to the…

机器学习 · 统计学 2024-04-19 Pablo Sanchez-Martin , Kinaan Aamir Khan , Isabel Valera

Traditional optimization-based techniques for time-synchronized state estimation (SE) often suffer from high online computational burden, limited phasor measurement unit (PMU) coverage, and presence of non-Gaussian measurement noise.…

系统与控制 · 电气工程与系统科学 2025-06-05 Shiva Moshtagh , Behrouz Azimian , Mohammad Golgol , Anamitra Pal

Process variations and device aging impose profound challenges for circuit designers. Without a precise understanding of the impact of variations on the delay of circuit paths, guardbands, which keep timing violations at bay, cannot be…

机器学习 · 计算机科学 2022-08-08 Lilas Alrahis , Johann Knechtel , Florian Klemme , Hussam Amrouch , Ozgur Sinanoglu

Detecting unmodeled gravitational wave (GW) bursts presents significant challenges due to the lack of accurate waveform templates required for matched-filtering techniques. A primary difficulty lies in distinguishing genuine signals from…

广义相对论与量子宇宙学 · 物理学 2025-09-17 Matteo Pracchia , Sacha Peters , Maxime Fays

In massive multi-input multi-output (MIMO) systems, the main bottlenecks of location- and orientation-assisted beam alignment using deep neural networks (DNNs) are large training overhead and significant performance degradation. This paper…

信号处理 · 电气工程与系统科学 2026-01-21 Yuzhu Lei , Qiqi Xiao , Yinghui He , Guanding Yu

Recently, graph neural networks (GNNs) have been widely used for document classification. However, most existing methods are based on static word co-occurrence graphs without sentence-level information, which poses three challenges:(1) word…

计算与语言 · 计算机科学 2022-03-22 Yinhua Piao , Sangseon Lee , Dohoon Lee , Sun Kim

Generating wind power scenarios is very important for studying the impacts of multiple wind farms that are interconnected to the grid. We develop a graph convolutional generative adversarial network (GCGAN) approach by leveraging GAN's…

机器学习 · 计算机科学 2023-02-20 Young-ho Cho , Shaohui Liu , Duehee Lee , Hao Zhu

Graph Neural Networks (GNNs) are widely used to perform different machine learning tasks on graphs. As the size of the graphs grows, and the GNNs get deeper, training and inference time become costly in addition to the memory requirement.…

机器学习 · 计算机科学 2022-08-09 Md. Khaledur Rahman , Ariful Azad

The production of wind energy is a crucial part of sustainable development and reducing the reliance on fossil fuels. Maintaining the integrity of wind turbines to produce this energy is a costly and time-consuming task requiring repeated…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Sourav Agrawal , Isaac Corley , Conor Wallace , Clovis Vaughn , Jonathan Lwowski

Diagnosis of bearing faults is paramount to reducing maintenance costs and operational breakdowns. Bearing faults are primary contributors to machine vibrations, and analyzing their signal morphology offers insights into their health…

机器学习 · 计算机科学 2026-01-21 Mohammad Al-Sa'd , Tuomas Jalonen , Serkan Kiranyaz , Moncef Gabbouj

The application of reliable structural health monitoring (SHM) technologies to operational wind turbine blades is a challenging task, due to the uncertain nature of the environments they operate in. In this paper, a novel SHM methodology,…

机器学习 · 计算机科学 2021-01-29 Kartik Chandrasekhar , Nevena Stevanovic , Elizabeth J. Cross , Nikolaos Dervilis , Keith Worden

Graph neural networks have become one of the most important techniques to solve machine learning problems on graph-structured data. Recent work on vertex classification proposed deep and distributed learning models to achieve high…

机器学习 · 统计学 2019-05-28 Hoang NT , Takanori Maehara

Graph Neural Networks (GNNs) have shown considerable effectiveness in a variety of graph learning tasks, particularly those based on the message-passing approach in recent years. However, their performance is often constrained by a limited…

机器学习 · 计算机科学 2024-04-22 Ruizhe Zhang , Xinke Jiang , Yuchen Fang , Jiayuan Luo , Yongxin Xu , Yichen Zhu , Xu Chu , Junfeng Zhao , Yasha Wang