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Graph Representation Learning (GRL) is an influential methodology, enabling a more profound understanding of graph-structured data and aiding graph clustering, a critical task across various domains. The recent incursion of attention…

机器学习 · 计算机科学 2023-08-15 Shuo Han , Jiacheng Liu , Jiayun Wu , Yinan Chen , Li Tao

Heterogeneous graph neural networks (HGNNs) have attracted increasing research interest in recent three years. Most existing HGNNs fall into two classes. One class is meta-path-based HGNNs which either require domain knowledge to handcraft…

机器学习 · 计算机科学 2022-09-02 Nan Wu , Chaofan Wang

Most existing re-identification methods focus on learning robust and discriminative features with deep convolution networks. However, many of them consider content similarity separately and fail to utilize the context information of the…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Deyi Ji , Haoran Wang , Hanzhe Hu , Weihao Gan , Wei Wu , Junjie Yan

Recent studies often exploit Graph Convolutional Network (GCN) to model label dependencies to improve recognition accuracy for multi-label image recognition. However, constructing a graph by counting the label co-occurrence possibilities of…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Jin Ye , Junjun He , Xiaojiang Peng , Wenhao Wu , Yu Qiao

The crime forecasting is an important problem as it greatly contributes to urban safety. Typically, the goal of the problem is to predict different types of crimes for each geographical region (like a neighborhood or censor tract) in the…

机器学习 · 计算机科学 2021-09-28 Chenyu Wang , Zongyu Lin , Xiaochen Yang , Jiao Sun , Mingxuan Yue , Cyrus Shahabi

Reliable forecasting of traffic flow requires efficient modeling of traffic data. Indeed, different correlations and influences arise in a dynamic traffic network, making modeling a complicated task. Existing literature has proposed many…

机器学习 · 计算机科学 2024-02-20 Kishor Kumar Bhaumik , Fahim Faisal Niloy , Saif Mahmud , Simon Woo

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…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Ruochen Li , Stamos Katsigiannis , Hubert P. H. Shum

Effectively detecting anomalous nodes in attributed networks is crucial for the success of many real-world applications such as fraud and intrusion detection. Existing approaches have difficulties with three major issues: sparsity and…

机器学习 · 计算机科学 2020-10-01 Yulong Pei , Tianjin Huang , Werner van Ipenburg , Mykola Pechenizkiy

In traffic forecasting, graph convolutional networks (GCNs), which model traffic flows as spatio-temporal graphs, have achieved remarkable performance. However, existing GCN-based methods heuristically define the graph structure as the…

机器学习 · 计算机科学 2020-10-16 Jun Fu , Wei Zhou , Zhibo Chen

Recent years have witnessed the rapid development of deep-learning-based, graph-neural-network-based forecasting methods for modern intelligent transportation systems. However, most existing work focuses exclusively on capturing…

机器学习 · 计算机科学 2026-04-08 Lixiang Fan , Bohao Li , Tao Zou , Junchen Ye , Bowen Du

Accurate power load forecasting is crucial for improving energy efficiency and ensuring power supply quality. Considering the power load forecasting problem involves not only dynamic factors like historical load variations but also static…

机器学习 · 计算机科学 2024-09-27 Chao Min , Yijia Wang , Bo Zhang , Xin Ma , Junyi Cui

Long-term traffic prediction is highly challenging due to the complexity of traffic systems and the constantly changing nature of many impacting factors. In this paper, we focus on the spatio-temporal factors, and propose a graph…

信号处理 · 电气工程与系统科学 2019-11-27 Chuanpan Zheng , Xiaoliang Fan , Cheng Wang , Jianzhong Qi

Traffic forecasting is a challenging problem due to complex road networks and sudden speed changes caused by various events on roads. A number of models have been proposed to solve this challenging problem with a focus on learning…

机器学习 · 计算机科学 2022-03-09 Hyunwook Lee , Seungmin Jin , Hyeshin Chu , Hongkyu Lim , Sungahn Ko

Time series forecasting is essential for our daily activities and precise modeling of the complex correlations and shared patterns among multiple time series is essential for improving forecasting performance. Spatial-Temporal Graph Neural…

机器学习 · 计算机科学 2024-06-19 Yue Jiang , Xiucheng Li , Yile Chen , Shuai Liu , Weilong Kong , Antonis F. Lentzakis , Gao Cong

We present a novel Recurrent Graph Network (RGN) approach for predicting discrete marked event sequences by learning the underlying complex stochastic process. Using the framework of Point Processes, we interpret a marked discrete event…

机器学习 · 计算机科学 2022-08-12 Saurabh Dash , Xueyuan She , Saibal Mukhopadhyay

A large number of real-world graphs or networks are inherently heterogeneous, involving a diversity of node types and relation types. Heterogeneous graph embedding is to embed rich structural and semantic information of a heterogeneous…

社会与信息网络 · 计算机科学 2020-04-01 Xinyu Fu , Jiani Zhang , Ziqiao Meng , Irwin King

We present a novel data-driven approach of learning traffic flow patterns of a transportation network given that many instances of origin to destination (OD) travel demand and link flows of the network are available. Instead of estimating…

机器学习 · 计算机科学 2022-02-23 Rezaur Rahman , Samiul Hasan

Much of the recent work on learning molecular representations has been based on Graph Convolution Networks (GCN). These models rely on local aggregation operations and can therefore miss higher-order graph properties. To remedy this, we…

机器学习 · 计算机科学 2019-05-31 Benson Chen , Regina Barzilay , Tommi Jaakkola

Spatiotemporal forecasting of traffic flow data represents a typical problem in the field of machine learning, impacting urban traffic management systems. In general, spatiotemporal forecasting problems involve complex interactions,…

The domains of transport and logistics are increasingly relying on autonomous mobile robots for the handling and distribution of passengers or resources. At large system scales, finding decentralized path planning and coordination solutions…

机器人学 · 计算机科学 2024-10-30 Qingbiao Li , Weizhe Lin , Zhe Liu , Amanda Prorok
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