Attention based spatio-temporal graph convolutional network with focal loss for crash risk evaluation on urban road traffic network based on multi-source risks
Xian Liu, Jian Lü, Xiang Chen, Yeuk Hang Charmaine Fong, Xiaochi Ma, Fang Zhang
Topics & Concepts
Computer scienceCrashGraphConvolutional neural networkData miningFlow networkTransport engineeringPoison controlArtificial intelligenceEngineeringTheoretical computer scienceMathematicsMathematical optimizationMedicineProgramming languageEnvironmental healthTraffic Prediction and Management TechniquesTraffic and Road SafetyInfrastructure Maintenance and Monitoring