Sandeep Bhatt

TEACHING PROFESSOR
School: Schaefer School of Engineering & Science
Department: Computer Science
Building: Gateway South Building
Room: 427
Phone: +1 (201) 216-8249
Email: sandeep.bhatt@stevens.edu
Education
  • Ph.D. (1984)  Massachusetts Institute of Technology
  • S.M.  (1980)  Massachusetts Institute of Technology
  • S.B.  (1978)   Massachusetts Institute of Technology
Professional Service
Editorial Boards
  • Journal of Interconnection Networks, 1999-2001.
  • Discrete Mathematics and Theoretical Computer Science, 1996-1999.
  • Theory of Computing Systems (formerly Mathematical Systems Theory), 1991-2000
  • SIAM Journal of Discrete Mathematics, 1995-1999
DIMACS (NSF S&T Center)
  • Executive Commitee and Council, 1996-1999, 2004-2008
  • Organizer, Workshop on end-to-end traffic modeling and simiulations, October 1997
  • Steering Committee, Special Year on Networks, 1996-97.
  • Steering Committee, Special Year on Parallel Algorithms, 1993-94.
  • Organizer, DIMACS Parallel Implementation Challenge and Woorkshop, 1993.
Program Committees
  • International Conference on Parallel Processing, 2003.
  • Chair, DARPA ISAT study on "Smart Data," 1998.
  • Workshop, Randomized Parallel Algorithms, IPPS, 1996,1998.
  • ACM Symposium on Parallel Algorithms and Architectures, 1995.
  • Chair, IEEE Symposium on Parallel and Distributed Processing, 1993.
  • ACM Symposium on Theory of Computing, 1993.
  • AEEE Symposium on Parallel and Distributed Processing, 1992.
  • Brown-MIT Conference on Advanved Research in VLSI, 1992.
  • ACM Symposium on Parallel Algorithms and Architectures, 1992.
  • Session Chair, Parallel Computation Networks, SIAM Annual Meeting, 1990.

 

 

Appointments
  • 2017 –         Teaching Professor, Computer Science, Stevens Institute of Technology.
  • 2004 – 2016 Principal Research Scientist, Hewlett-Packard Labs, Princeton NJ.
  • 2002 – 2004 Senior Research Scientist, Telcordia Technologies, Morristown NJ.
  • 1999 – 2002 Director, Systems Performance, Akamai Technologies, Cambridge MA.
  • 1992 – 1999 Director, Network Algorithms, Bell Communications Research, Morristown NJ.
  • 1993 – 1999 Research Professor of Computer Science, Rutgers University, New Brunswick NJ.
  • 1990            Visiting Associate Professor of Computer Science, California Institute of Technology, Pasadena CA.
  • 1984 – 1992 Associate Professor of Computer Science, Yale University, New Haven CT.
Grants, Contracts & Funds
  • DARPA: Managing networks of firewalls using smart data, Telcordia Technologies, 1999- 2002.
  • DARPA: Scalable Self-organizing Simulations (S3), DIMACS,  (with Rutgers, Georgia Tech, Boston University and Dartmouth), 1996-99.
  • ONR: Scalable Abstractions and Formal Methods for Computational Science, Rutgers, 1993-96.
  • DARPA: Compiler Technology for Massively Parallel Architectures, Yale, 1991-94.
  • NSF/DARPA Joint Initiative on Parallel Computing Theory, Algorithmic Issues for Very High-Level Parallel Programming, Yale, 1989-1992.  
  • AFOSR: Efficient Communication for Parallel Computing, Yale, 1989-1992.   
  • NSF: The Efficient Use of Parallel Computers, Yale, 1989-1992.   
  • NSF: Techniques for Graph Embedding, with Applications to Parallel Computing, Yale, 1986- 1989.
Patents & Inventions
  • Hierarchical Recursive Image Segmentation. Patent No. US8345974B2.
  • Threat Exchange Information Protection. Patent No. US9143517B2.
  • End-to-end Network Access Analysis. Patent No. US9253038B2.
  • Identifying participants for collaboration in a Threat Exchange Community. Patent No. US9275348B2.
  • Attack Notification. Patent No. US9456001B2.
Selected Publications
Journals
  1. S. N. Bhatt, P. Manadhata and L. Zomlot. (2014). "The Operational Role of Security Information and Event Management Systems in Security Operations Centers", IEEE Security and Privacy, IEEE.
  2. S.N. Bhatt, G. Bilardi and G. Pucci. "Area-Time Tradeoffs for Universal VLSI Circuits", Theoretical Computer Science, 408 (2-3), 143-150.
  3. W. Aiello, S.N. Bhatt, F. Chung, A. Rosenberg and R. Sitaraman. (2001). "Augmented Ring Networks", IEEE Transactions on Parallel and Distributed Systems , IEEE. 12 (6), 598-609.
  4. S.N. Bhatt, P. Liu and W. Aiello. (2001). "Tree Search on an Atomic Model for Message Passing", SIAM J. Computing, SIAM. 31 67-85.
  5. S.N. Bhatt and P. Liu. (2000). "Experiences with parallel N-body simulation", IEEE Transactions on Parallel and Distributed Systems, IEEE. 12 1306-1323.
  6. S.N. Bhatt, D. Greenberg, F.T. Leighton and Pangfeng Liu. (1999). "Tight bounds for on-line tree embeddings", SIAM Journal of Computing, SIAM. 29 474-491.
  7. M. Andrews, S.N. Bhatt and K. Perumalla. "TED models for ATM Internetworks", ACM SIGMETRICS Performance Evaluation Review, ACM. 25 (4), 12-21.
  8. S.N. Bhatt, G. Bilardi, K. Herley, G. Pucci, and A. Ranade. (1998). "Tight bounds on parallel list marking", J. Parallel and Distributed Computing , 51 (2), 75-88.
  9. S.N. Bhatt, R. Fujimoto, A. Ogielski and K. Perumalla. (1998). "Parallel simulation techniques for large-scale networks", IEEE Communications Special Issue, IEEE. 36.
  10. S.N. Bhatt, F. Chung, F.T. Leighton, and A.L. Rosenberg. (1997). "On Optimal Strategies for Cycle-Stealing in Networks of Workstations", IEEE Transactions on Computers, IEEE. 46 (5).
  11. S.N. Bhatt, F. Chung, J.W. Hong, F.T. Leighton, B. Obrenic, A.L. Rosenberg and E. Schwabe. (1996). "Optimal emulations by butterfly-like networks", J. ACM, ACM. 43 (2), 293-330.
  12. S.N. Bhatt, G. Bilardi, G. Pucci, A. Ranade, A.L. Rosenberg, and E. Schwabe. (1996). "On bufferless routing of variable length messages in leveled networks", IEEE Transactions on Computers, IEEE. 45.
  13. S.N. Bhatt, F. Chung, F.T. Leighton and A.L. Rosenberg. (1995). "Salvage embeddings of complete trees", SIAM Journal of Discrete Mathematics, SIAM. 8 (4), 617-637.
  14. S.N. Bhatt, G. Pucci, A. Ranade, and A.L. Rosenberg. (1993). "Scattering and gathering messages in interconnection networks", IEEE Transactions on Computers , IEEE. 42 938-949.
  15. S.N. Bhatt and Jin-Yi Cai. (1993). "Taking random walks to grow trees in hypercubes", J. ACM, ACM. 40 741-764.
  16. S.N. Bhatt, F. Chung, F.T. Leighton and A.L. Rosenberg. (Feb 1992). "Efficient embeddings of trees in hypercubes", SIAM J. Computing, SIAM. 21 (1), 151-162.
  17. S.N. Bhatt, F. Chung and A. Rosenberg. (1991). "Partitioning circuits for improved testability", Special issue on VLSI algorithms, Algorithmica, (6), 37-48.
  18. S.N. Bhatt and David S. Greenberg. (1991). "Routing multiple paths in hypercubes", Mathematical Systems Theory, (24), 295-321.
  19. S.N. Bhatt, F. Chung, F.T. Leighton and A.L. Rosenberg. (1989). "Universal graphs for bounded-degree trees and planar graphs", SIAM Journal on Discrete Mathematics, SIAM. (2), 145-155.
  20. S.N. Bhatt and S.S. Cosmadakis. (1987). "The complexity of minimizing wire lengths for VLSI layouts", Information Processing Letters, (25).
  21. S.N. Bhatt and C.E. Leiserson. (1984). "How to assemble tree machines", F. Preparata, Advances in Computing Research, JAI Press. 2.
  22. B.S. Baker, S.N. Bhatt and F.T. Leighton. (1984). "An approximation algorithm for Manhattan routing", F. Preparata, Advances in Computing Research, JAI Press. 2.
  23. S.N. Bhatt and F.T. Leighton. (1984). "A framework for solving VLSI graph layout problems", Journal of Computer and System Sciences.
Conference Proceedings
  1. S. Sundaramurthy, S.N. Bhatt and M. Eisenbarth. (2012). "Examining Intrusion Prevention System Events from Worldwide Networks", ACM CCS Badgers Workshop. ACM.
  2. S.N. Bhatt, J. Collinge, S. Haber, W. Horne, S. Pramanik, S. Rajagopalan, T. Sander and A. Singla. (2012). "Automated Sharing of Security Threats Across Organizations", Hewlett-Packard TechCon Proceedings.
  3. R. Bergman, S.N. Bhatt, W. Horne, R. Keshet, H. Nachlileli and M. Shaw. (2009). "Fully Automated, Perceptually Accurate Image Segmentation", HPICS .
  4. S.N. Bhatt, W. Horne and P. Rao. (2011). "On Computing Enterprise IT Risk Metrics", IFIP Security and Privacy Conference (SEC).
  5. Y. Beres, S.N. Bhatt, W. Horne and T. Schreider. (2009). "Applying Analytics to Risk Assessment: Security Control Portfolio Optimization", Hewlett-Packard TechCon Proceedings.
  6. S.N. Bhatt, S. Bandhakavi, C. Okita and P. Rao. (2009). "Analyzing end-to-end network reachability", IEEE Integrated Management Workshop. IEEE.
  7. S.N. Bhatt, C. Okita and P. Rao. (2008). "Metrics-based firewall management", Proceedings of Metricon.
  8. S.N. Bhatt, C. Okita and P. Rao. (2008). "Fast, Cheap and In Control: A Step towards pain-free security", 22nd Usenix LISA Conference.
  9. I. Band, S.N. Bhatt, W. Horne, J. Pato, S. Rajagopalan and P. Rao. (2006). "How to validate enterprise access policies", Hewlett-Packard TechCon Proceedings .
  10. S.N. Bhatt, S. Rajagopalan and P. Rao. (2003). "Automated Network Security Policy Enforcement using Smart Firewalls", Proceedings of MILCOM.
  11. S.N. Bhatt, S. Rajagopalan and P. Rao. (2003). "Federated security management for dynamic coalitions", DARPA Information Survivability Conference and Exposition.
  12. S.N. Bhatt, S. Even, D. Greenberg and R. Tayar. (2000). "Simple algorithms to traverse directed eulerian mazes", Proceedings of WG'2000, U. Brandes and D. Wagner (eds), Lecture Notes in Computer Science. Springer-Verlag.
  13. S.N. Bhatt, G. Bilardi and G. Pucci. (1999). "Area-universal circuits with constant slowdown", 20th Annual Conference on Advanced Research in VLSI.
  14. S.N. Bhatt, A. Konstantinou, S. Rajagopalan, and Y. Yemini. (1999). "Managing security in dynamic networks", Proceedings of the 13th Usenix LISA Conference.
  15. S.N. Bhatt, F. Hao and E. Zegura. (1998). "Performance of the PNNI protocol in large networks", Proceedings of the ATM'98 Workshop.
  16. S.N. Bhatt, L. Zhang, M. Andrews, W. Aiello and K. Krishnan. (1997). "A performance comparison of competitive on-line routing and state-dependent routing", Proceedings of the IEEE Globecomm Symposium. IEEE.
  17. V. Fernadez, N. Zabusky, S.N. Bhatt, P. Liu, and A. Gerasoulis. (1995). "Filament surgery and temporal grid adaptivity extensions to a parallel tree code for simulation and diagnostics in 3d vortex dynamics", Second International Workshop in Vortex Flow.
  18. S.N. Bhatt, P. Liu, V. Fernadez, and N. Zabusky. (1995). "Tree codes for vortex dynamics", International Parallel Processing Symposium .
  19. S.N. Bhatt, P. Liu, V. Fernandez and N. Zabusky. (1995). "Tree codes for vortex dynamics: Applications of a programming framework", Santa Barbara Workshop on solving irregular problems on parallel machines.
  20. S.N. Bhatt and P. Liu. (1995). "A framework for parallel N-body simulation", Proceedings of the International Conference on Parallel Processing ICCP.
  21. S.N. Bhatt, F. Chung, F.T. Leighton, and A.L. Rosenberg. (1994). "On Optimal Strategies for Cycle-Stealing in Networks of Workstations", Proceedings of the 6th Annual ACM Symposium on Parallel Algorithms and Architectures.. ACM.
  22. P. Liu and S.N. Bhatt. (1994). "Experiences with parallel N-body simulation", Proceedings of the 6th Annual ACM Symposium on Parallel Algorithms and Architectures. ACM.
  23. S.N. Bhatt, M. Chen, Y. Choo, J. Cowie, P. Liu and S. Pai. (1994). "Using object-oriented tools to develop challenging applications", Dual-Use Technologies and Applications Conference.
  24. S.N. Bhatt, M. Chen, J. Cowie, and C. Y. Lin. (1993). "Object-oriented support for adaptive methods on parallel machines", Proceedings of the 2nd Annual Object Oriented Numerics Conference OON-SKI.
  25. P. Liu, S.N. Bhatt and W. Aiello. (1993). "An atomic model for message passing", Proceedings of the 5th Annual ACM Symposium on Parallel Algorithms and Architectures. ACM.
  26. S.N. Bhatt, M. Chen, C.Y. Lin and P. Liu. (1992). "Programming large-scale N-body simulations", DARPA Software Technology Conference . DARPA.
  27. S.N. Bhatt, F. Chung, F.T. Leighton and A.L. Rosenberg. (1992). "Tolerating faults in synchronization networks", Conference on Parallel Processing: CONPAR 92 – VAPP V. Springer-Verlag.
  28. S.N. Bhatt, M. Chen, C. Y. Lin, and Pangfeng Liu. (1992). "Abstractions for N-body simulations", Proceedings of the IEEE Scalable High Performance Computing Conference. IEEE.
  29. S.N. Bhatt, D.S. Greenberg, F.T. Leighton and P. Liu. (1991). "Tight bounds for online tree embeddings", Proceedings of the 2nd Annual ACM Symposium on Discrete Algorithms. ACM.
  30. S.N. Bhatt and D.S. Greenberg. (1990). "Routing multiple paths in hypercubes", Proceedings of the 2nd Annual Symposium on Parallel Algorithms and Architectures. ACM.
  31. S.N. Bhatt and Jin-Yi Cai. (1988). "Take a walk, grow a tree", Proceedings of the 29th Annual IEEE Symposium on Foundations of Computer Science . IEEE.
  32. A.G. Ranade, S.N. Bhatt and S.L. Johnsson. (1988). "The Fluent abstract machine", Proceedings of the Fifth MIT VLSI Conference on Advanced Research in VLSI. MIT Press.
  33. S.N.Bhatt, F.Chung, J.W. Hong, F.T. Leighton and A. Rosenberg. (1988). "Optimal simulations by butterfly networks", Proceedings of the 20th ACM Symposium on Theory of Computing. ACM.
  34. S.N. Bhatt, F. Chung and A. Rosenberg. (1986). "Partitioning circuits for improved testability", Proceedings of the Fourth MIT Conference on Advanced Research in VLSI. MIT Press.
  35. S.N. Bhatt, F. Chung, F.T. Leighton, and A. Rosenberg. (1986). "Optimal simulations of tree machines", Proceedings 27th Annual IEEE Symposium on Foundations of Computer Science. IEEE.
  36. B.S. Baker, S.N. Bhatt and F.T. Leighton. (1984). "An approximation algorithm for Manhattan routing", Proceedings of the Sixteenth Annual Symposium on Theory of Computing. ACM.
  37. S.N. Bhatt and C.E. Leiserson. (1982). "How to assemble tree machines", Fourteenth Annual Symposium on Theory of Computing. ACM.
Book Chapters
  1. S.N. Bhatt, W. Horne, S. Sundaramurthy and L. Zomlot. (2016). "The role of processes in security operations centers", Psychosocial Dynamics of Cyber Security, S. Zaccaro, R. Dalal, L. Tetrick and J. Steinke , Routledge Press.
Books
  1. Sandeep N. Bhatt, editor. (1997). Parallel Algorithms: Third DIMACS Implementation Challenge, AMS DIMACS series.
Reports
  1. S.N. Bhatt, P. Manadhata and P. Rao. (2015). "Unearthing Enterprise Data Exfiltration Tunnels", Hewlett-Packard Technical Report .
  2. S. Bandhakavi, S.N. Bhatt, C. Okita and P. Rao. (2009). "End-to-end Network Access Analysis", Hewlett-Packard Technical Report .
  3. R. Bergman and S.N. Bhatt. (2008). "A Recursive Hybrid Image Segmentation Algorithm", Hewlett-Packard Technical Report .
  4. S.N. Bhatt, W. Horne, S. Rajagopalan and P. Rao. (2007). "Managing ACLs in a distributed system", Hewlett-Packard Technical Report .
  5. S.N. Bhatt and P. Rao. (2007). "Enhancements to the Vantage Firewall Analyzer", Hewlett-Packard Technical Report .
  6. S.N. Bhatt, W. Horne and P. Rao. (2007). "The Vantage Firewall Analyzer Prototype", Hewlett-Packard Technical Report .
  7. S.N. Bhatt and I. Ipsen. (1985). "How to embed trees in hypercubes", Yale University Research Report DCS/RR- 443.
  8. S.N. Bhatt and C.E. Leiserson. (1982). "Minimizing the longest edge in a VLSI layout", MIT VLSI Memo . (86).