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As humans we possess an intuitive ability for navigation which we master through years of practice; however existing approaches to model this trait for diverse tasks including monitoring pedestrian flow and detecting abnormal events have…

计算机视觉与模式识别 · 计算机科学 2017-02-21 Tharindu Fernando , Simon Denman , Sridha Sridharan , Clinton Fookes

This study presents a novel deep learning method, called GATv2-GCN, for predicting player performance in sports. To construct a dynamic player interaction graph, we leverage player statistics and their interactions during gameplay. We use a…

机器学习 · 计算机科学 2023-03-30 Rui Luo , Vikram Krishnamurthy

As one of the important tools for spatial feature extraction, graph convolution has been applied in a wide range of fields such as traffic flow prediction. However, current popular works of graph convolution cannot guarantee spatio-temporal…

机器学习 · 计算机科学 2023-09-15 Tianpu Zhang , Weilong Ding , Mengda Xing

Accurately predicting line loss rates is vital for effective line loss management in distribution networks, especially over short-term multi-horizons ranging from one hour to one week. In this study, we propose Attention-GCN-LSTM, a novel…

机器学习 · 计算机科学 2023-12-20 Jie Liu , Yijia Cao , Yong Li , Yixiu Guo , Wei Deng

The increasing installation rate of wind power poses great challenges to the global power system. In order to ensure the reliable operation of the power system, it is necessary to accurately forecast the wind speed and power of the wind…

机器学习 · 计算机科学 2023-06-21 Yang Yang , Jin Lang , Jian Wu , Yanyan Zhang , Xiang Zhao

Graph attention networks (GATs) provide one of the best frameworks for learning node representations in relational data; but, existing variants such as Graph Attention Network (GAT) mainly operate on static graphs and rely on implicit…

机器学习 · 计算机科学 2026-04-14 Ami Chopra , Supriya Bordoloi , Shyamanta M. Hazarika

Data driven modeling based approaches have recently gained a lot of attention in many challenging meteorological applications including weather element forecasting. This paper introduces a novel data-driven predictive model based on…

机器学习 · 计算机科学 2022-02-16 Yimin Yang , Siamak Mehrkanoon

Attention mechanism in graph neural networks is designed to assign larger weights to important neighbor nodes for better representation. However, what graph attention learns is not understood well, particularly when graphs are noisy. In…

机器学习 · 计算机科学 2022-04-12 Dongkwan Kim , Alice Oh

There has been a recent surge of interest in time series modeling using the Transformer architecture. However, forecasting multivariate time series with Transformer presents a unique challenge as it requires modeling both temporal…

机器学习 · 计算机科学 2025-07-04 Yu-Hsiang Lan , Eric K. Oermann

Traffic congestion has significant economic, environmental, and social ramifications. Intersection traffic flow dynamics are influenced by numerous factors. While microscopic traffic simulators are valuable tools, they are computationally…

机器学习 · 计算机科学 2024-05-03 Nooshin Yousefzadeh , Rahul Sengupta , Yashaswi Karnati , Anand Rangarajan , Sanjay Ranka

This work provides a comprehensive derivation of the parameter gradients for GATv2 [4], a widely used implementation of Graph Attention Networks (GATs). GATs have proven to be powerful frameworks for processing graph-structured data and,…

机器学习 · 计算机科学 2023-04-24 Marion Neumeier , Andreas Tollkühn , Sebastian Dorn , Michael Botsch , Wolfgang Utschick

Forecasting multivariate time series data, such as prediction of electricity consumption, solar power production, and polyphonic piano pieces, has numerous valuable applications. However, complex and non-linear interdependencies between…

机器学习 · 计算机科学 2019-09-20 Shun-Yao Shih , Fan-Keng Sun , Hung-yi Lee

Trust prediction provides valuable support for decision-making, risk mitigation, and system security enhancement. Recently, Graph Neural Networks (GNNs) have emerged as a promising approach for trust prediction, owing to their ability to…

机器学习 · 计算机科学 2025-12-15 Jie Wang , Zheng Yan , Jiahe Lan , Xuyan Li , Elisa Bertino

In recent years, studying and predicting alternative mobility (e.g., sharing services) patterns in urban environments has become increasingly important as accurate and timely information on current and future vehicle flows can successfully…

机器学习 · 计算机科学 2021-08-19 Stefano Fiorini , Michele Ciavotta , Andrea Maurino

A reliable and efficient representation of multivariate time series is crucial in various downstream machine learning tasks. In multivariate time series forecasting, each variable depends on its historical values and there are…

机器学习 · 计算机科学 2022-08-22 William T. Ng , K. Siu , Albert C. Cheung , Michael K. Ng

Street scene change detection continues to capture researchers' interests in the computer vision community. It aims to identify the changed regions of the paired street-view images captured at different times. The state-of-the-art network…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Shuo Chen , Kailun Yang , Rainer Stiefelhagen

Weather Forecasting is an attractive challengeable task due to its influence on human life and complexity in atmospheric motion. Supported by massive historical observed time series data, the task is suitable for data-driven approaches,…

机器学习 · 计算机科学 2022-09-20 Minbo Ma , Peng Xie , Fei Teng , Tianrui Li , Bin Wang , Shenggong Ji , Junbo Zhang

Whereas traditional credit scoring tends to employ only individual borrower- or loan-level predictors, it has been acknowledged for some time that connections between borrowers may result in default risk propagating over a network. In this…

综合金融 · 定量金融 2024-06-26 Sahab Zandi , Kamesh Korangi , María Óskarsdóttir , Christophe Mues , Cristián Bravo

In recent years, ride-hailing services have been increasingly prevalent as they provide huge convenience for passengers. As a fundamental problem, the timely prediction of passenger demands in different regions is vital for effective…

机器学习 · 计算机科学 2021-01-05 Yuandong Wang , Hongzhi Yin , Tong Chen , Chunyang Liu , Ben Wang , Tianyu Wo , Jie Xu

Accurate and robust weather forecasting remains a fundamental challenge due to the inherent spatio-temporal complexity of atmospheric systems. In this paper, we propose a novel self-supervised learning framework that leverages…

机器学习 · 计算机科学 2025-11-04 Yao Liu