Haowen Xu Research Scientist Contact xuh4@ornl.gov All Publications A traffic accident dataset for Chattanooga, Tennessee Towards Next-Generation Urban Decision Support Systems through AI-Powered Construction of Scientific Ontology Using Large Lan... Performance evaluation of underground thermal storage integrated dual-source heat pump systems Oak Ridge National Laboratory's Strategic Research and Development Insights for Digital Twins Spatiotemporal features of traffic help reduce automatic accident detection time A General Framework for Human-in-the-Loop Cognitive Digital Twins... A Mobile Edge Computing Framework for Traffic Optimization At Urban Intersections Through Cyber-Physical Integration Semi-Automatic Geographic Information System Framework for Creating Photo-Realistic Digital Twin Cities to Support Autonomous... Toward a Smart Metaverse City: Immersive Realism and 3D Visualization of Digital Twin Cities Smart Mobility in the Cloud: Enabling Real-Time Situational Awareness and Cyber-Physical Control Through a Digital Twin for Traffic A geo-visual analysis for exploring the socioeconomic benefits of the heating electrification using geothermal energy Computer Vision-Enabled Smart Traffic Monitoring for Sustainable Transportation Management An Alternative Timing and Synchronization Approach for Situational Awareness and Predictive Analytics... An overview of visualization and visual analytics applications in water resources management Towards Adaptive Decision Support: A Perspective from Intelligent and Annotated Visual Analytics for Exploring Big Urban Mobility Data EPIsembleVis: A geo-visual analysis and comparison of the prediction ensembles of multiple COVID-19 models Continuous Emulation and Multiscale Visualization of Traffic Flow Using Stationary Roadside Sensor Data Interactive Web Application for Traffic Simulation Data Management and Visualization Visualizing Vehicle Acceleration and Braking Energy at Intersections along a Major Traffic Corridor Explorative Visualization for Traffic Safety using Adaptive Study Areas Toward Urban Water Security: Broadening the Use of Machine Learning Methods for Mitigating Urban Water Hazards Multiscale and Multivariate Transportation System Visualization for Shopping District Traffic and Regional Traffic COVID-19 Joint Pandemic Modeling and Analysis Platform... A web-based decision support system for collaborative mitigation of multiple water-related hazards using serious gaming A web-based geovisual analytics platform for identifying potential contributors to culvert sedimentation Key Links ORCID Organizations Computing and Computational Sciences Directorate Computational Sciences and Engineering Division Advanced Computing Methods for Engineered Systems Section Computational Urban Sciences Group