Debraj De Contact DED1@ORNL.GOV All Publications Establishing Digital Twins for Non-Proliferation of Secure Facilities under Low Data Availability with Agent-Based Modeling, Deep Neural Network Surrogates, and Virtual Reality PoL Badge: Detecting Insider Threat Activities as well as Deviation from Workplace Patterns-of-Life (PoL) in Nuclear Reactor Facilities using Affordable Privacy-preserving Smart Badging Using Temporal Information from Human Mobility Data to Detect Anchor Points GRUMDN: A Multi-Task Model for Predicting Human Patterns-of-Life from Stay Transition Data A Visual Analytic Platform for Interactive Validation of Human Mobility Simulations HumoNet: A Framework for Realistic Modeling and Simulation of Human Mobility Network Oak Ridge National Laboratory's Strategic Research and Development Insights for Digital Twins DICER: Data Intensive Computing Environment and Runtime for Evaluating Unprecedented Scale of Geospatial-Temporal Human Mobility Data MetaPoL: Immersive VR based Indoor Patterns of Life (PoL) and Anomalies Data Generation for Insider Threat Modeling in Nuclea... Evolution of Intent and Social Influence Networks and Their Significance in Detecting COVID-19 Disinformation Actors on Social Media Methodology to Compare Twitter Reaction Trends between Disinformation Communities, to COVID related Campaign Events at Different Geospatial Granularities Accelerated Assessment of Critical Infrastructure in Aiding Recovery Efforts During Natural and Human-made Disaster Conflation of Geospatial POI Data and Ground-level Imagery via Link Prediction on Joint Semantic Graph Key Links Google Scholar LinkedIn Organizations National Security Sciences Directorate Geospatial Science and Human Security Division Human Dynamics Section Location Intelligence
