Home

Research Scientist

The Geographic Information Science and Technology Group
Computational Sciences & Engineering Division
Oak Ridge National Laboratory

Email: thakurg {at} ornl {dot} gov 
Work: +1(865)576-6116
 

Bio

Gautam Thakur is a researcher at Oak Ridge National Laboratory (ORNL), TN, USA. He works in the Geographic Information Science and Technology (GIST) Group and a member of Urban Dynamics Institute at ORNL. His research focuses on Population dynamics, Urban morphology, Network Science, and Transportation Simulation and Modeling. He graduated from the Herbert Wertheim College of Engineering at the University of Florida(2012) with a Ph.D. in computer engineering and a dissertation on mobility modeling in large-scale networks. He worked at the Deutsche Telekom Research Laboratories, Berlin on transportation system modeling and understanding network anatomy of major cities in the world. He worked at Disney Research Laboratory, Zürich on activity and mobility modeling of guests visiting the Disney theme parks. His research has applications in geo-spatial intelligence, sustainable urban systems, disaster management, critical infrastructure management, and transportation system analysis.


Primary research

  • Gathering real-time geo-spatial intelligence: Design and development of scalable big-data platforms, data fusion algorithms, graph theory, network science, spatio-temporal analysis, and machine learning
  • Structure and function of sustainable urban cities: Urban morphologies, space syntax, unsupervised machine learning, and volunteered geographical information data
  • Urban mobility modeling: Agent-based simulation and modeling, TRANSIMS, network complexity analysis


    Software and tools


    Education


    Professional and research experience

    • 2015-, Research Scientist, The Geographic Information Science & Technology Group, Oak Ridge National Laboratory, UT-Battelle, LLC, Oak Ridge, Tennessee, USA
    • 2013-2015, Postdoctoral Research Associate, The Computational Data Analytic Research Group, Oak Ridge National Laboratory, UT-Battelle, LLC, Oak Ridge, Tennessee, USA
    • 2007-2012, Research Assistant, University of Florida, Gainesville, Florida USA
    • 2012, Lab Research Associate, Disney Research, ETH, Zürich, Switzerland
    • 2010-2011, Research Intern, Deutsche Telekom Research Laboratories, Berlin, Germany
    • 2004-2006, Member Technical Staff, HCL Technologies Limited, Noida, India

    Professional activities

    • Reviewer: IEEE Transactions on Vehicular Technology, IEEE Transactions of Mobile Computing, Elsevier Ad Hoc Networks Journal, ACM MobiCom Workshop on Challenged Networks (CHANTS)
    • TPC: ACM SigSpatial, IEEE ICCCN, HotPlanet 
    • Chair/Session chair: ACM SigSpatial, ORNL Postdoctoral Association, ACM HotPlanet

    Publications (More updated list on Google Scholar)

        Journals
    • J5. Robert Stewart , Marie Urban, Samantha Duchscherer, Jason Kaufman, April Morton, Gautam S. Thakur, Jesse Piburn, Jessica Moehl.A Bayesian machine learning model for estimating building occupancy from open source data. Springer Natural Hazards, 2016
    • J4. Gautam S. Thakur, Pan Hui, and Ahmed Helmy. The Structure and Traffic Flow Anatomy of the Planet-Scale Urban Vehicular Mobility. Springer Special Issue on Networking Science, 2013
    • J3. Gautam S. Thakur, Udayan Kumar, Wei-Jen Hsu, and Ahmed Helmy. Gauging Human Mobility Characteristics and its Impact on Mobile Routing Performance. International Journal of Sensor Networks. 2011.
    • J2. Udayan Kumar, Gautam S. Thakur, and Ahmed Helmy. Proximity based Trust Advisor using Encounters for Mobile Societies: Analysis of Four Filters. Journal on Wireless Communications and Mobile Computing. 2011.
    • J1. Gautam S. Thakur, R. Tiwari, M.T. Thai, S.-S. Chen, and A.W.M. Dress. Detection of Local Community Structures in Complex dynamic Networks with Random Walks. IEEE/IET Journal on System Biology. 2009.
        Conference proceedings
    • C29. Gautam S. Thakur, Teja Kuruganti, Stephen Killough, Miljko Bobrek, James Nutaro, Cheng Liu and Wei Lu. Real-time Urban Population Monitoring Using Pervasive Sensor Network.  In: ACM SIGSPATIAL ’16: Proceedings of the 23rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. 2016
    • C28. Kevin Sparks, Roger Li, Gautam S. Thakur, Robert Stewart and Marie Urban. Facility Detection and Popularity Assessment from Text Classification of Social Media and Crowdsourced Data", In ,GIR ’16 Proceedings of the 10th Workshop on Geographic Information Retrieval, ACM SIGSPATIAL ’16: Proceedings of the 23rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems.
    • C27. Gautam S. Thakur, Kevin Sparks, Roger Li, Robert Stewart and Marie Urban. PlanetSense: Gathering Geo-spatial Intelligence from Crowd-sourced and Social-media Data. In: Demo, ACM SIGSPATIAL ’16: Proceedings of the 23rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. 2016
    • C26. Gautam S. Thakur, Kevin Sparks, Robert Stewart, Marie Urban, Budhendra Bhaduri. Landuse Classification and Occupancy Estimation from Fine Grained Social Media Analysis. In: GIScience. 2016
    • C25. Gautam S. Thakur, Kevin Sparks, Robert Stewart, Marie Urban, Budhendra Bhaduri. Curating Transient Population in Urban Dynamics System. In: GIScience. 2016
    • C24. Gautam S. Thakur, Budhendra L Bhaduri, Jesse O Piburn, Kelly M Sims, Robert N Stewart, Marie L Urban. Gathering Geo-spatial Intelligence from Crowd and Open Sourced Data. In: American Association of Geographers’ Annual Meeting. 2016
    • C23. Gautam S. Thakur. The Efficacy of Applying Open and Crowd Source Data in Urban Dynamics Research. In: Conference on Data Analysis. 2016
    • C22. Gautam S. Thakur, B.H. Park Ozgur Ozmen, and Jack Schryver, Mallikarjun Shankar, and Gil Weigand Synthetic Data Generation for High-Fidelity HPC Healthcare Simulation: Beneficiary-Provider Network Example. In: Spring Simulation Multi- Conference. 2015
    • C21. Gautam S. Thakur, Pan Hui, Ahmed Helmy. Evidence of Long Range Dependence and Self-similarity in Urban Traffic Systems. In: ACM SIGSPATIAL ’15: Proceedings of the 22nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. 2015
    • C20. Gautam S. Thakur, Budhendra L Bhaduri, Jesse O Piburn, Kelly M Sims, Robert N Stewart, Marie L Urban. PlanetSense: A Real-time Streaming and Spatio- temporal Analytics Platform for Gathering Geo-spatial Intelligence from Open Source Data. In: ACM SIGSPATIAL ’15: Proceedings of the 22nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. 2015 [ACM SIGSPATIAL Best Top Three Vision Papers ]
    • C19. Robert Stewart, Jesse Piburn, E Webber, Marie Urban, April Morton, Gautam Thakur, Budhendra Bhaduri. Can social media play a role in developing building occupancy curves for small area estimation?. In: Proc. 13th Internationl Conference in GeoComputation. 2015
    • C18. Kelly M. Sims, Eric. M. Weber, Budhendra. L. Bhaduri, Gautam S. Thakur, David. R. Resseguie. Application of Social Media Data to High Resolution Mapping of a Special Event Population. In: Proc. 13th Internationl Conference in GeoComputation. 2015
    • C17. Seung-Hwan Lim, Gautam S. Thakur, James Horey. Analyzing reliability of virtual machine instances with dynamic pricing in the public cloud. In: High-Performance Grid and Cloud Computing Workshop (with IPDPS). 2014
    • C16. Mohammed M Olama, Gautam S. Thakur, Allen W McNair, Sreenivas R Sukumar. Predicting student success using analytics in course learning management systems. In: SPIE Sensing Technology Applications. 2014
    • C15. Gautam S. Thakur, Mohammed M Olama, Allen W McNair, Sreenivas R Sukumar, Scott Studham. Towards Adaptive Educational Assessments: Predicting Student Performance using Temporal Stability and Data Analytics in Learning Management Systems. In: Data Mining for Educational Assessment and Feedback (KDD ASSESS 2014). 2014
    • C14. Jan-Mou Li, Andreas Malikopoulos, Gautam S. Thakur, and Raju Vatsavai. Analytics For Distracted Driver Behavior Modeling in Dilemma Zone. In: Transportation Research Board 93rd Annual Meeting, Washington, D.C., DC, USA, 20140112, 20140116. 2014
    • C13. Damien Fay, Gautam S. Thakur, Pan Hui, and Ahmed Helmy. Knowledge Discovery and Causality in Urban City Traffic: A study using Planet Scale Vehicular Imagery Data. In: The Sixth ACM SIGSPATIAL International Workshop on Computational Transportation Science. 2013. [ACM SIGSPATIAL Best Paper Award]
    • C12. Gautam S. Thakur, Pan Hui, and Ahmed Helmy. Data-driven study of urban infrastructure to enable city-wide ubiquitous computing. In: Proceedings of the 2nd International Workshop on Big Data, Streams and Heterogeneous Source Mining: Algorithms, Systems, Programming Models and Applications, BigMine. ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD). 2013.
    • C11. Gautam S. Thakur, Pan Hui, and Ahmed Helmy. On the Existence of Self-similarity in Planet-scale Vehicular Networks. In: The 9th IEEE International Wireless Commu- nications and Mobile Computing Conference. 2013.
    • C10. Gautam S. Thakur, Pan Hui, and Ahmed Helmy. Modeling and Characterization of Vehicular Density at Scale. In: The 16th IEEE International Global Internet Symposium. 2013.
    • C9. Gautam S. Thakur and Ahmed Helmy. COBRA: A Framework for the Analysis of Realistic Mobility Models. In: The 16th IEEE International Global Internet Symposium. 2013. [IEEE Communication Society ITC Best Paper of the Year Award]
    • C8. Gautam S. Thakur, Pan Hui, and Ahmed Helmy. A Framework for Realistic Vehicular Network Modeling using Planet-scale Public Webcams. In: ACM International Workshop on Hot Topics in Planet-Scale Measurement(Mobisys - HotPlanet). 2012.
    • C7. Gautam S. Thakur, Pan Hui, and Ahmed Helmy. Modeling and Characterization of Urban Streets’ Vehicular Mobility using Web Cameras. In: IEEE International Conference on Computer Communications workshop on Network Science for Comm- unication Networks (Infocom - NetSciCom). 2012
    • C6. Gautam S. Thakur, Pan Hui, and Ahmed Helmy. Spatial and Temporal Analysis of Planet Scale Vehicular Imagery Data. In: IEEE International conference on Data Mining workshop on Spatial and Spatio-Temporal Data Mining (ICDM - SSTDM). 2011.
    • C5. Gautam S. Thakur, Udayan Kumar, Ahmed Helmy, and Wei-Jen Hsu. On the Efficacy of Mobility Modeling for DTN Evaluation: Analysis of Encounter Statistics and Spatio-Temporal Preferences. In: IEEE International Wireless Communications and Mobile Computing Conference (IWCMC). 2011.
    • C4. Gautam S. Thakur, Ahmed Helmy, and Wei-Jen Hsu. Similarity analysis and modeling in mobile societies: The missing link. In: ACM MobiCom Workshop on Challenged Networks (CHANTS). 2010.
    • C3. Gautam S. Thakur, Mukul Sharma, and Ahmed Helmy. SHIELD: Social sensing and Help In Emergency using mobiLe Devices. In: IEEE Global Telecommunications Conference (GLOBECOM). 2010.
    • C2. Udayan Kumar, Gautam S. Thakur, and Ahmed Helmy. PROTECT: proximity-based trust-advisor using encounters for mobile societies. In: IEEE International Wireless Communications and Mobile Computing Conference (IWCMC). 2010.
    • C1. Gautam S. Thakur. CINORA: Cell Based Identification of Node Replication Attack in Wireless Sensor Networks. In: IEEE International Conference on Communications Systems (ICCS). 2008

    Honors and awards

    • ACM SigSpatial top three best papers (vision track), 2015
    • IEEE Communication Society InternetTC Best Paper 2013 award of the year (Awarded in 2015)
    • Research work is selected for 2nd round of Innovations in American Government Awards, 2014
    • ORNL Director awarded certificate for exceptional service to ORNL postdoctoral association, 2014
    • ORNL Director awarded certificate of appreciation for postdoctoral symposium committee chair, 2014
    • Best paper award at ACM SIGSPATIAL (IWCTS), 2013
    • Recipient of prestigious ERCIM Alain Bensoussan Fellowship-The European Research Consortium for Informatics and Mathematics, 2012
    • Best Employee Award “BRAVO” for Excellence in Work, HCL Technologies, 2005