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Staff information


Sutanay Choudhury

Data Scientist
Pacific Northwest National Laboratory
PO Box 999
MSIN: K7-90
Richland, WA 99352


Sutanay Choudhury is a Data Scientist in the Computational Science and Mathematics Division at the Pacific Northwest National Laboratory (PNNL).

Research Interests

  • See for details.

Education and Credentials

  • Ph.D, Computer Science, "Subgraph Search on Dynamic Graphs", Washington State University, USA (
  • M.S., Electrical Engineering, Colorado State University, USA
  • B.E., Electrical Engineering, Jadavpur University, India

Awards and Recognitions

  • Outstanding Graduate Student Award, School of Electrical Engineering and Computer Science, Washington State University 2014

PNNL Publications


  • Agarwal K., S. Choudhury, S. Tipirneni, P. Mukherjee, C.M. Ham, S. Tamang, and M. Baker, et al. 2022. "Preparing for the next pandemic via transfer learning from existing diseases with hierarchical multi-modal BERT: a study on COVID-19 outcome prediction." Scientific Reports 12. PNNL-SA-166555. doi:10.21203/


  • Alexander F.J., J.A. Ang, J.A. Bilbrey, J. Balewski, T. Casey, R. Chard, and J. Choi, et al. 2021. "Co-design Center for Exascale Machine Learning Technologies (ExaLearn)." The International Journal of High Performance Computing Applications 35, no. 6:598-616. PNNL-SA-156070. doi:10.1177/10943420211029302
  • Guan S., H. Ma, S. Choudhury, and Y. Wu. 2021. "GEDet: Detecting Erroneous Nodes with A Few Examples." In Proceedings of the 47th International Conference on Very Large Data Bases (VLDB 2021), August 16-20, 2021, Virtual, Online, 14, 2875 - 2878. PNNL-SA-160866. doi:10.14778/3476311.3476367
  • Nandanoori S., S. Pal, S. Sinha, S. Kundu, K. Agarwal, and S. Choudhury. 2021. "Data-driven Distributed Learning of Multi-agent Systems: A Koopman Operator Approach." In IEEE 60th Conference on Decision and Control (CDC 2021), December 14-17, 2021, Austin, TX, 5059-5066. Piscataway, New Jersey:IEEE. PNNL-SA-160981. doi:10.1109/CDC45484.2021.9682872


  • Bilbrey J.A., J. Heindel, M. Schram, P. Bandyopadhyay, S.S. Xantheas, and S. Choudhury. 2020. "A Look Inside the Black Box: Using graph-theoretical descriptors to interpret a Continuous-Filter Convolutional Neural Network (CF-CNN) trained on the global and local minimum energy structures of neutral water clusters." Journal of Chemical Physics 153, no. 2:024302. PNNL-SA-152462. doi:10.1063/5.0009933
  • Nandanoori S., S. Kundu, S. Pal, K. Agarwal, and S. Choudhury. 2020. "Model-Agnostic Algorithm for Real-Time Attack Identification in Power Grid using Koopman Modes." In IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (IEEE SmartGridComm 2020), November 11-13, 2020, Tempe AZ, 1-6. Piscataway, New Jersey:IEEE. PNNL-SA-154191. doi:10.1109/SmartGridComm47815.2020.9303022


  • Choudhury S., S. Purohit, P. Lin, Y. Wu, L.B. Holder, and K. Agarwal. 2018. "Percolator: Scalable Pattern Discovery in Dynamic Graphs." In Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining (WSDM 2018), February 5-9, 2018, Los Angeles, California, 759-762. New York, New York:ACM. PNNL-SA-128916. doi:10.1145/3159652.3160589
  • Corley C.D., N.O. Hodas, E.H. Yeung, A.M. Tartakovsky, T.J. Hagge, S. Choudhury, and K. Agarwal, et al. 2018. "Deep Learning for Scientific Discovery." The Next Wave 22, no. 1:27-31. PNNL-SA-129480.


  • Choudhury S., K. Agarwal, S. Purohit, B. Zhang, M.A. Pirrung, W.P. Smith, and M. Thomas. 2017. "NOUS: Construction and Querying of Dynamic Knowledge Graphs." In IEEE 33rd International Conference on Data Engineering (ICDE 2017), April 19-22, 2017, San Diego, California, 1563-1565. Piscataway, New Jersey:IEEE. PNNL-SA-123812. doi:10.1109/ICDE.2017.228
  • Purohit S., S. Choudhury, and L.B. Holder. 2017. "Application-Specific Graph Sampling for Frequent Subgraph Mining and Community Detection." In IEEE International Conference on Big Data (Big Data 2017), December 11-14, 2017, Boston, Massachusetts, 1000-1005. Piscataway, New Jersey:IEEE. PNNL-SA-128679. doi:10.1109/BigData.2017.8258022
  • Visweswara Sathanur A., S. Choudhury, C.A. Joslyn, and S. Purohit. 2017. "When Labels Fall Short: Property Graph Simulation via Blending of Network Structure and Vertex Attributes." In ACMProceedings of the 2017 ACM on Conference on Information and Knowledge Management (CIKM 2017), November 6-10, 2017, Singapore, 2287-2290. New York, New York:ACM. PNNL-SA-126433. doi:10.1145/3132847.3133065


  • Chen P., S. Choudhury, and A. Hero. 2016. "Multi-Centrality Graph Spectral Decompositions and Their Application to Cyber Intrusion Detection." In IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), March 20-25, 2016, Shanghai, China, 4553-4557. PNNL-SA-113574. doi:10.1109/ICASSP.2016.7472539
  • Zhang B., S. Choudhury, M. Al-Hasan, X. Ning, K. Agarwal, S. Purohit, and P. Pesantez. 2016. "Trust from the past: Bayesian Personalized Ranking based Link Prediction in Knowledge Graphs." In Third Workshop on Mining Networks and Graphs: A Big Data Analytic Challenge (MNG 2016), May 7, 2016, Miami, Florida. Philadelphia, Pennsylvania:Society for Industrial and Applied Mathematics (SIAM). PNNL-SA-115550.


  • Choudhury S., L. Holder, G. Chin, K. Agarwal, and J.T. Feo. 2015. "A Selectivity based approach to Continuous Pattern Detection in Streaming Graphs." In Proceedings of the 18th International Conference on Extending Database Technology (EDBT), March 23-27, 2015, Brussels, Belgium, 157-168. PNNL-SA-107908. doi:10.5441/002/edbt.2015.15
  • Choudhury S., L.R. Rodriguez, D.S. Curtis, K.J. Oler, P.L. Nordquist, P. Chen, and I. Ray. 2015. "Action Recommendation for Cyber Resilience." In Proceedings of the 2015 Workshop on Automated Decision Making for Active Cyber Defense (SafeConfig 2015), October 12-16, 2015, Denver, Colorado, 3-8. New York, New York:ACM. PNNL-SA-111899. doi:10.1145/2809826.2809837
  • Rodriguez L.R., D.S. Curtis, S. Choudhury, K.J. Oler, P.L. Nordquist, P. Chen, and I. Ray. 2015. "DEMO: Action Recommendation for Cyber Resilience." In Proceedings of the 22nd ACM SIGSAC Conference on Computer and Communications Security (CCS 2015), October 12-16, 2015, Denver, Colorado, 1620-1622. New York, New York:ACM. PNNL-SA-111898. doi:10.1145/2810103.2810104


  • Chin G., S. Choudhury, J.T. Feo, and L. Holder. 2014. "Predicting and Detecting Emerging Cyberattack Patterns Using StreamWorks." In CISR '14 Proceedings of the 9th Annual Cyber and Information Security Research Conference, 93-96. New York, New York:A.C.M. PNNL-SA-92139. doi:10.1145/2602087.2602111
  • Lieberman M., S. Choudhury, M. Hughes, D. Patrone, S. Hider, C. Piatko, and M. Chapman, et al. 2014. "Parasol: An Architecture for Cross-Cloud Federated Graph Querying." In Proceedings of Workshop on Data Analytics in the Cloud (DanaC'14), June 22-27, 2014, Snowbird, Utah, 1-4. New York, New York:Association for Computing Machinery. PNNL-SA-102039. doi:10.1145/2627770.2627771
  • Lu H., A. Kalyanaraman, M. Halappanavar, and S. Choudhury. 2014. "Parallel Heuristics for Scalable Community Detection." In 28th IEEE International Parallel & Distributed Processing Symposium Workshops (IPDPS 2014), May 19-23, 2014, Phoenix, Arizona, 1374-1385. Los Alamitos, California:IEEE Computer Society. PNNL-SA-99348.
  • Morari A., V.G. Castellana, O. Villa, A. Tumeo, J.R. Weaver, D.J. Haglin, and S. Choudhury, et al. 2014. "Scaling Semantic Graph Databases in Size and Performance." IEEE Micro 34, no. 4:16-26. PNNL-SA-101644. doi:10.1109/MM.2014.39
  • Ray A., L. Holder, and S. Choudhury. 2014. "Frequent Subgraph Discovery in Large Attributed Streaming Graphs." In Proceedings of the 3rd International Workshop on Big Data, Streams and Heterogeneous Source Mining: Algorithms, Systems, Programming Models and Applications (BIGMINE 2014), August 24, 2014, 36, 166-181. New York:Journal of Machine Learning Research. PNNL-SA-103377.
  • Weaver J.R., V.G. Castellana, A. Morari, A. Tumeo, S. Purohit, A.R. Chappell, and D.J. Haglin, et al. 2014. "Toward a Data Scalable Solution for Facilitating Discovery of Science Resources." Parallel Computing 40, no. 10:682-696. PNNL-SA-101643. doi:10.1016/j.parco.2014.08.002


  • Chappell A.R., S. Choudhury, J.T. Feo, D.J. Haglin, A. Morari, S. Purohit, and K.L. Schuchardt, et al. 2013. "Toward a Data Scalable Solution for Facilitating Discovery of Scientific Data Resources." In DISCS-2013: Proceedings of the International Workshop on Data-Intensive Scalable Computing Systems, November 18, 2013, Denver, CO, 55-60. New York, New York:Association for Computing Machinery. PNNL-SA-98169. doi:10.1145/2534645.2534655
  • Choudhury S., L. Holder, G. Chin, A. Ray, S.J. Beus, and J.T. Feo. 2013. "StreamWorks - A system for Dynamic Graph Search." In Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data (SIGMOD 2013), June 22-27, 2013, New York, 1101-1104. New York, New York:ACM. PNNL-SA-92483. doi:10.1145/2463676.2463697
  • Choudhury S., L. Holder, G. Chin, and J.T. Feo. 2013. "Fast Search for Dynamic Multi-Relational Graphs." In ACM SIGMOD Workshop on Dynamic Networks Management and Mining (DyNetMM 2013), June 22-27, 2013, New York, 1-8. New York, New York:Association for Computing Machinery (ACM). PNNL-SA-94808. doi:10.1145/2489247.2489251
  • Halappanavar M., S. Choudhury, E.A. Hogan, P.S. Hui, J.R. Johnson, I. Ray, and L.B. Holder. 2013. "Towards A Network-of-Networks Framework for Cyber Security." In IEEE Intelligence and Security Informatics, June 4-7, 2013, Seattle, Washington, 106-108. Piscataway, New Jersey:Institute of Electrical and Electronics Engineers. PNNL-SA-94257. doi:10.1109/ISI.2013.6578796
  • Hogan E.A., P.S. Hui, S. Choudhury, M. Halappanavar, K.J. Oler, and C.A. Joslyn. 2013. "Towards a Multiscale Approach to Cybersecurity Modeling." In IEEE International Conference on Technologies for Homeland Security (HST 2013), November 12-14, 2013, Waltham, MA, 80-85. Piscataway, New Jersey:IEEE. PNNL-SA-96793. doi:10.1109/THS.2013.6698980


  • Bell E.B., S.J. Rose, and S. Choudhury. 2012. Text Analysis Capability. PNNL-21871. Richland, WA: Pacific Northwest National Laboratory. Text Analysis Capability
  • Chin G., A. Marquez, S. Choudhury, and J.T. Feo. 2012. "Scalable Triadic Analysis of Large-Scale Graphs: Multi-Core vs. Multi-Processor vs. Multi-Threaded Shared Memory Architectures." In Proceedings of the 2012 IEEE 24th International Symposium on Computer Architecture and High Performance Computing, (SBAC-PAD) October 24-26, 2012, New York, NY, 163-170. Los Alamitos, California:IEEE Computer Society. PNNL-SA-78610. doi:10.1109/SBAC-PAD.2012.39


  • Chin G., S. Choudhury, L.J. Kangas, S.A. McFarlane, and A. Marquez. 2011. "Evaluating In-Clique and Topological Parallelism Strategies for Junction Tree-Based Bayesian Inference Algorithm on the Cray XMT." In Proceedings of the IEEE International Symposium on Parallel and Distributed Processing Workshops and Phd Forum (IPDPSW 2011), May 16-20, 2011, Anchorage, Alaska, 1710-1719. Piscataway, New Jersey:IEEE. PNNL-SA-77562. doi:10.1109/IPDPS.2011.328
  • Choudhury S., L. Holder, G. Chin, and J.T. Feo. 2011. "Large-Scale Continuous Subgraph Queries on Streams." In Proceedings of the 1st Annual Workshop on High-Performance Computing Meets Databases (HPCBD 2011), November 12-18, 2011, Seattle, Washington, 29-32. New York:Association for Computing Machinery (ACM). PNNL-SA-82495. doi:10.1145/2125636.2125647


  • Chin G., S. Choudhury, L.J. Kangas, S.A. McFarlane, and A. Marquez. 2010. "Fault Detection in Distributed Climate Sensor Networks using Dynamic Bayesian Networks." In Proceedings of the 6th IEEE International Conference on e-Science (e-Science 2010), December 7-10, 2010, Brisbane, Australia, 121-128. Los Alamitos, California:IEEE Computer Society. PNNL-SA-74315. doi:10.1109/eScience.2010.22
  • Shah A.R., J.N. Adkins, D.J. Baxter, W.R. Cannon, D. Chavarrķa-Miranda, S. Choudhury, and I. Gorton, et al. 2010. "Applications in Data-Intensive Computing." In Advances in Computers, edited by M Zelkowitz. 1-70. San Diego, California:Academic Press Inc. PNNL-SA-67358.


  • Chin G., A. Marquez, S. Choudhury, and K. Maschhoff. 2009. "Implementing and Evaluating Multithreaded Triad Census Algorithms on the Cray XMT." In IEEE International Symposium on Parallel & Distributed Processing (IPDPS 2009), May 25-29, Rome, Italy. Piscataway, New Jersey:IEEE. PNNL-SA-64273. doi:10.1109/IPDPS.2009.5161109


  • Choudhury S., and V. Chandrasekar. 2007. "Wideband Reception and Processing for Dual-Polarization Radars with Dual Transmitters." Journal of Atmospheric and Oceanic Technology 24, no. 1:95-101. PNNL-SA-44770.

Selected Publications


  • An open source implementation of PakBus™ protocol. S. Choudhury and M. Macduff, "Linux based software for data collection from Campbell Data Loggers" - Invention Report, 15895-E, 2008.

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