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Recent studies on Graph Convolutional Networks (GCNs) reveal that the initial node representations (i.e., the node representations before the first-time graph convolution) largely affect the final model performance. However, when learning…

机器学习 · 计算机科学 2022-03-10 Weijian Chen , Fuli Feng , Qifan Wang , Xiangnan He , Chonggang Song , Guohui Ling , Yongdong Zhang

Existing approaches to the crime prediction problem are unsuccessful in expressing the details since they assign the probability values to large regions. This paper introduces a new architecture with the graph convolutional networks (GCN)…

机器学习 · 计算机科学 2021-12-17 Selim Furkan Tekin , Suleyman Serdar Kozat

Short-term future population prediction is a crucial problem in urban computing. Accurate future population prediction can provide rich insights for urban planners or developers. However, predicting the future population is a challenging…

机器学习 · 计算机科学 2022-03-02 Yuki Kubota , Yuki Ohira , Tetsuo Shimizu

Traffic prediction is one of the key elements to ensure the safety and convenience of citizens. Existing traffic prediction models primarily focus on deep learning architectures to capture spatial and temporal correlation. They often…

机器学习 · 计算机科学 2023-08-22 Sumin Han , Youngjun Park , Minji Lee , Jisun An , Dongman Lee

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…

机器学习 · 计算机科学 2020-10-23 Lei Bai , Lina Yao , Can Li , Xianzhi Wang , Can Wang

Our main goal in this paper is to quantitatively compare the performance of classical methods to XGBoost and convolutional neural networks in a parameter estimation problem for epidemic spread. As we use flexible two-layer random graphs as…

社会与信息网络 · 计算机科学 2024-07-11 Ágnes Backhausz , Edit Bognár , Villő Csiszár , Damján Tárkányi , András Zempléni

Accurate prediction of trips between zones is critical for transportation planning, as it supports resource allocation and infrastructure development across various modes of transport. Although the gravity model has been widely used due to…

机器学习 · 计算机科学 2025-08-04 Kamal Acharya , Mehul Lad , Liang Sun , Houbing Song

Graph-based neural network models are gaining traction in the field of representation learning due to their ability to uncover latent topological relationships between entities that are otherwise challenging to identify. These models have…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Aryan Singh , Pepijn Van de Ven , Ciarán Eising , Patrick Denny

The graph convolutional networks (GCN) recently proposed by Kipf and Welling are an effective graph model for semi-supervised learning. This model, however, was originally designed to be learned with the presence of both training and test…

机器学习 · 计算机科学 2018-02-01 Jie Chen , Tengfei Ma , Cao Xiao

Graph Convolutional Networks (GCNs) have become a pivotal method in machine learning for modeling functions over graphs. Despite their widespread success across various applications, their statistical properties (e.g., consistency,…

机器学习 · 计算机科学 2025-04-17 Juntong Chen , Johannes Schmidt-Hieber , Claire Donnat , Olga Klopp

In this work, we have proposed an approach for improving the GCN for predicting ratings in social networks. Our model is expanded from the standard model with several layers of transformer architecture. The main focus of the paper is on the…

机器学习 · 计算机科学 2024-01-15 Thi Linh Hoang , Tuan Dung Pham , Viet Cuong Ta

Traffic flow forecasting is essential for managing congestion, improving safety, and optimizing various transportation systems. However, it remains a prevailing challenge due to the stochastic nature of urban traffic and environmental…

机器学习 · 计算机科学 2025-09-16 Mayur Patil , Qadeer Ahmed , Shawn Midlam-Mohler

Capturing the structured mixing within a population is key to the reliable projection of infectious disease dynamics and hence informed control. Both heterogeneity in the number of contacts and age-structured mixing have been repeatedly…

社会与信息网络 · 计算机科学 2026-03-17 Luke Murray Kearney , Emma L Davis , Matt J Keeling

Graph data is becoming increasingly prevalent due to the growing demand for relational insights in AI across various domains. Organizations regularly use graph data to solve complex problems involving relationships and connections. Causal…

机器学习 · 计算机科学 2026-02-23 Simi Job , Xiaohui Tao , Taotao Cai , Haoran Xie , Jianming Yong , Xin Wang

Effective traffic prediction is a cornerstone of intelligent transportation systems, enabling precise forecasts of traffic flow, speed, and congestion. While traditional spatio-temporal graph neural networks (ST-GNNs) have achieved notable…

机器学习 · 计算机科学 2025-01-20 Xiaoyang Cao , Dingyi Zhuang , Jinhua Zhao , Shenhao Wang

This paper develops a novel graph convolutional network (GCN) framework for fault location in power distribution networks. The proposed approach integrates multiple measurements at different buses while taking system topology into account.…

机器学习 · 计算机科学 2019-11-19 Kunjin Chen , Jun Hu , Yu Zhang , Zhanqing Yu , Jinliang He

During 2020, the infection rate of COVID-19 has been investigated by many scholars from different research fields. In this context, reliable and interpretable forecasts of disease incidents are a vital tool for policymakers to manage…

机器学习 · 计算机科学 2021-01-05 Cornelius Fritz , Emilio Dorigatti , David Rügamer

As urban environments grow, the modelling of transportation systems becomes increasingly complex. This paper advances the field of travel demand modelling by introducing advanced Graph Neural Network (GNN) architectures as surrogate models,…

机器学习 · 计算机科学 2025-03-21 Nikita Makarov , Santhanakrishnan Narayanan , Constantinos Antoniou

Numerical simulation of multi-phase fluid dynamics in porous media is critical for many energy and environmental applications in Earth's subsurface. Data-driven surrogate modeling provides computationally inexpensive alternatives to…

计算物理 · 物理学 2024-04-16 Jiamin Jiang , Bo Guo

Among the realistic ingredients to be considered in the computational modeling of infectious diseases, human mobility represents a crucial challenge both on the theoretical side and in view of the limited availability of empirical data. In…

物理与社会 · 物理学 2010-02-04 Duygu Balcan , Vittoria Colizza , Bruno Goncalves , Hao Hu , Jose J. Ramasco , Alessandro Vespignani