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Post-fault dynamics of short-term voltage stability (SVS) present spatial-temporal characteristics, but the existing data-driven methods for online SVS assessment fail to incorporate such characteristics into their models effectively.…

Machine Learning · Computer Science 2021-03-08 Yonghong Luo , Chao Lu , Lipeng Zhu , Jie Song

This paper presents a new approach for predicting team performance from the behavioral traces of a set of agents. This spatiotemporal forecasting problem is very relevant to sports analytics challenges such as coaching and opponent…

Machine Learning · Computer Science 2022-06-23 Shengnan Hu , Gita Sukthankar

Accurate air quality prediction is becoming increasingly important in the environmental field. To address issues such as low prediction accuracy and slow real-time updates in existing models, which lead to lagging prediction results, we…

Machine Learning · Computer Science 2025-08-27 Dan Wang , Feng Jiang , Zhanquan Wang

Trajectory prediction of road users in real-world scenarios is challenging because their movement patterns are stochastic and complex. Previous pedestrian-oriented works have been successful in modelling the complex interactions among…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Ruochen Li , Stamos Katsigiannis , Hubert P. H. Shum

In this paper, we present machine learning approaches for characterizing and forecasting the short-term demand for on-demand ride-hailing services. We propose the spatio-temporal estimation of the demand that is a function of variable…

Machine Learning · Computer Science 2017-03-08 Ismaïl Saadi , Melvin Wong , Bilal Farooq , Jacques Teller , Mario Cools

Crowd flow prediction has been increasingly investigated in intelligent urban computing field as a fundamental component of urban management system. The most challenging part of predicting crowd flow is to measure the complicated…

Machine Learning · Computer Science 2020-02-25 Haoxing Lin , Weijia Jia , Yongjian You , Yiping Sun

Traffic flow forecasting is a crucial task in urban computing. The challenge arises as traffic flows often exhibit intrinsic and latent spatio-temporal correlations that cannot be identified by extracting the spatial and temporal patterns…

Machine Learning · Computer Science 2022-02-02 Song Yang , Jiamou Liu , Kaiqi Zhao

As an economical and healthy mode of shared transportation, Bike Sharing System (BSS) develops quickly in many big cities. An accurate prediction method can help BSS schedule resources in advance to meet the demands of users, and definitely…

Artificial Intelligence · Computer Science 2021-01-01 Weiguo Pian , Yingbo Wu , Ziyi Kou

In an intelligent transportation system, the key problem of traffic forecasting is how to extract periodic temporal dependencies and complex spatial correlations. Current state-of-the-art methods for predicting traffic flow are based on…

Machine Learning · Computer Science 2022-03-01 Zichuan Liu , Rui Zhang , Chen Wang , Zhu Xiao , Hongbo Jiang

Modeling complex spatial and temporal correlations in the correlated time series data is indispensable for understanding the traffic dynamics and predicting the future status of an evolving traffic system. Recent works focus on designing…

Machine Learning · Computer Science 2020-10-23 Lei Bai , Lina Yao , Can Li , Xianzhi Wang , Can Wang

This paper proposes a knowledge-and-data-driven graph neural network-based collaboration learning model for reliable aircraft recognition in a heterogeneous radar network. The aircraft recognizability analysis shows that: (1) the semantic…

Signal Processing · Electrical Eng. & Systems 2022-04-18 Han Meng , Yuexing Peng , Wenbo Wang , Peng Cheng , Yonghui Li , Wei Xiang

The criticality of prompt and precise traffic forecasting in optimizing traffic flow management in Intelligent Transportation Systems (ITS) has drawn substantial scholarly focus. Spatio-Temporal Graph Neural Networks (STGNNs) have been…

Machine Learning · Computer Science 2023-08-16 Zepu Wang , Yuqi Nie , Peng Sun , Nam H. Nguyen , John Mulvey , H. Vincent Poor

Graph convolutional networks have been widely used for skeleton-based action recognition due to their excellent modeling ability of non-Euclidean data. As the graph convolution is a local operation, it can only utilize the short-range joint…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zhan Chen , Sicheng Li , Bing Yang , Qinghan Li , Hong Liu

Recently, there has been a growing interest in predicting human motion, which involves forecasting future body poses based on observed pose sequences. This task is complex due to modeling spatial and temporal relationships. The most…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Hongwei Ren , Yuhong Shi , Kewei Liang

Graph convolutional networks (GCNs) achieved promising performance in skeleton-based human action recognition by modeling a sequence of skeletons as a spatio-temporal graph. Most of the recently proposed GCN-based methods improve the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Negar Heidari , Alexandros Iosifidis

As a core task in intelligent transportation systems, traffic forecasting plays a critical role in urban traffic management. Accurate traffic forecasting relies on modeling complex spatiotemporal dependencies, which is inherently…

Artificial Intelligence · Computer Science 2026-05-26 Ruiwen Gu , Yahao Liu , Zhenyu Liu , Qitai Tan , Xiao-Ping Zhang

Recent studies have significantly improved the prediction accuracy of travel demand using graph neural networks. However, these studies largely ignored uncertainty that inevitably exists in travel demand prediction. To fill this gap, this…

Machine Learning · Computer Science 2024-02-23 Qingyi Wang , Shenhao Wang , Dingyi Zhuang , Haris Koutsopoulos , Jinhua Zhao

Efficient real-time traffic prediction is crucial for reducing transportation time. To predict traffic conditions, we employ a spatio-temporal graph neural network (ST-GNN) to model our real-time traffic data as temporal graphs. Despite its…

Machine Learning · Computer Science 2025-01-03 Mohammad Izadi , Mehran Safayani , Abdolreza Mirzaei

We propose novel Stacked Spatio-Temporal Graph Convolutional Networks (Stacked-STGCN) for action segmentation, i.e., predicting and localizing a sequence of actions over long videos. We extend the Spatio-Temporal Graph Convolutional Network…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Pallabi Ghosh , Yi Yao , Larry S. Davis , Ajay Divakaran

Traffic forecasting as a canonical task of multivariate time series forecasting has been a significant research topic in AI community. To address the spatio-temporal heterogeneity and non-stationarity implied in the traffic stream, in this…