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Spatio-temporal prediction is a crucial research area in data-driven urban computing, with implications for transportation, public safety, and environmental monitoring. However, scalability and generalization challenges remain significant…

Machine Learning · Computer Science 2024-09-12 Jiabin Tang , Wei Wei , Lianghao Xia , Chao Huang

Spatio-temporal forecasting is a critical component of various smart city applications, such as transportation optimization, energy management, and socio-economic analysis. Recently, several automated spatio-temporal forecasting methods…

Machine Learning · Computer Science 2025-01-09 Tengfei Lyu , Weijia Zhang , Jinliang Deng , Hao Liu

Deep learning has been actively studied for time series forecasting, and the mainstream paradigm is based on the end-to-end training of neural network architectures, ranging from classical LSTM/RNNs to more recent TCNs and Transformers.…

Machine Learning · Computer Science 2022-05-06 Gerald Woo , Chenghao Liu , Doyen Sahoo , Akshat Kumar , Steven Hoi

Spatio-Temporal prediction plays a critical role in smart city construction. Jointly modeling multiple spatio-temporal tasks can further promote an intelligent city life by integrating their inseparable relationship. However, existing…

Machine Learning · Computer Science 2023-04-20 Zijian Zhang , Xiangyu Zhao , Hao Miao , Chunxu Zhang , Hongwei Zhao , Junbo Zhang

Accurate traffic prediction is essential for optimizing transportation systems, enhancing resource allocation, and improving overall urban administration. Spatio-temporal graph neural networks (GNNs) have achieved state-of-the-art…

Machine Learning · Computer Science 2026-05-12 Qianru Zhang , Xinyi Gao , Alexander Zhou , Reynold Cheng , Siu-Ming Yiu , Hongzhi Yin

Modern self-supervised learning algorithms typically enforce persistency of instance representations across views. While being very effective on learning holistic image and video representations, such an objective becomes sub-optimal for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Liangzhe Yuan , Rui Qian , Yin Cui , Boqing Gong , Florian Schroff , Ming-Hsuan Yang , Hartwig Adam , Ting Liu

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,…

Machine Learning · Computer Science 2022-09-20 Minbo Ma , Peng Xie , Fei Teng , Tianrui Li , Bin Wang , Shenggong Ji , Junbo Zhang

Spatio-temporal graph neural networks (STGNN) have become the most popular solution to traffic forecasting. While successful, they rely on the message passing scheme of GNNs to establish spatial dependencies between nodes, and thus…

Machine Learning · Computer Science 2023-01-31 Xu Liu , Yuxuan Liang , Chao Huang , Hengchang Hu , Yushi Cao , Bryan Hooi , Roger Zimmermann

Traffic prediction is a cornerstone of modern intelligent transportation systems and a critical task in spatio-temporal forecasting. Although advanced Spatio-temporal Graph Neural Networks (STGNNs) and pre-trained models have achieved…

Machine Learning · Computer Science 2026-01-01 Weilin Ruan , Xilin Dang , Ziyu Zhou , Sisuo Lyu , Yuxuan Liang

Contrastive learning has become a key component of self-supervised learning approaches for graph-structured data. Despite their success, existing graph contrastive learning methods are incapable of uncertainty quantification for node…

Adaptive traffic signal control plays a significant role in the construction of smart cities. This task is challenging because of many essential factors, such as cooperation among neighboring intersections and dynamic traffic scenarios.…

Machine Learning · Computer Science 2022-03-22 Libing Wu , Min Wang , Dan Wu , Jia Wu

In recent years, many spatial-temporal graph convolutional network (STGCN) models are proposed to deal with the spatial-temporal network data forecasting problem. These STGCN models have their own advantages, i.e., each of them puts forward…

Machine Learning · Computer Science 2020-10-16 Chunnan Wang , Kaixin Zhang , Hongzhi Wang , Bozhou Chen

Stance detection seeks to identify the viewpoints of individuals either in favor or against a given target or a controversial topic. Current advanced neural models for stance detection typically employ fully parametric softmax classifiers.…

Machine Learning · Computer Science 2024-06-21 Yinghan Cheng , Qi Zhang , Chongyang Shi , Liang Xiao , Shufeng Hao , Liang Hu

Heterogeneous graph neural network (HGNN) is a very popular technique for the modeling and analysis of heterogeneous graphs. Most existing HGNN-based approaches are supervised or semi-supervised learning methods requiring graphs to be…

Machine Learning · Computer Science 2023-11-17 Cuiying Huo , Dongxiao He , Yawen Li , Di Jin , Jianwu Dang , Weixiong Zhang , Witold Pedrycz , Lingfei Wu

Multivariate time-series anomaly detection is essential for reliable industrial control, telemetry, and service monitoring. However, the evolving inter-variable dependencies and inevitable noise render it challenging. Existing methods often…

Machine Learning · Computer Science 2026-02-25 Zhongpeng Qi , Jun Zhang , Wei Li , Zhuoxuan Liang

Contrastive learning methods have significantly narrowed the gap between supervised and unsupervised learning on computer vision tasks. In this paper, we explore their application to geo-located datasets, e.g. remote sensing, where…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Kumar Ayush , Burak Uzkent , Chenlin Meng , Kumar Tanmay , Marshall Burke , David Lobell , Stefano Ermon

Graph contrastive learning (GCL), as a popular approach to graph self-supervised learning, has recently achieved a non-negligible effect. To achieve superior performance, the majority of existing GCL methods elaborate on graph data…

Machine Learning · Computer Science 2022-05-03 Yuansheng Wang , Wangbin Sun , Kun Xu , Zulun Zhu , Liang Chen , Zibin Zheng

Temporal Graph Learning, which aims to model the time-evolving nature of graphs, has gained increasing attention and achieved remarkable performance recently. However, in reality, graph structures are often incomplete and noisy, which…

Machine Learning · Computer Science 2023-08-16 Haozhen Zhang , Xueting Han , Xi Xiao , Jing Bai

Robust prediction of citywide traffic flows at different time periods plays a crucial role in intelligent transportation systems. While previous work has made great efforts to model spatio-temporal correlations, existing methods still…

Machine Learning · Computer Science 2024-03-07 Jiahao Ji , Jingyuan Wang , Chao Huang , Junjie Wu , Boren Xu , Zhenhe Wu , Junbo Zhang , Yu Zheng

Temporal graph representation learning aims to generate low-dimensional dynamic node embeddings to capture temporal information as well as structural and property information. Current representation learning methods for temporal networks…

Machine Learning · Computer Science 2023-11-08 Hongjiang Chen , Pengfei Jiao , Huijun Tang , Huaming Wu