TerraSwarm Member Directory

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Edward A. Lee
    University of California, Berkeley

Username:eal
 
 
 
 
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Home page:http://ptolemy.eecs.berkeley.edu/~eal
Bio:  Edward A. Lee is the Robert S. Pepper Distinguished Professor and former chair of the Electrical Engineering and Computer Sciences (EECS) department at U.C. Berkeley. His research interests center on design, modeling, and simulation of embedded, real-time computational systems. He is a director of Chess, the Berkeley Center for Hybrid and Embedded Software Systems, and is the director of the Berkeley Ptolemy project. He is co-author of six books and numerous papers. He has led the development of several influential open-source software packages, notably Ptolemy and its various spinoffs. His bachelors degree (B.S.) is from Yale University (1979), his masters (S.M.) from MIT (1981), and his Ph.D. from U. C. Berkeley (1986). From 1979 to 1982 he was a member of technical staff at Bell Telephone Laboratories in Holmdel, New Jersey, in the Advanced Data Communications Laboratory. He is a co-founder of BDTI, Inc., where he is currently a Senior Technical Advisor, and has consulted for a number of other companies. He is a Fellow of the IEEE, was an NSF Presidential Young Investigator, and won the 1997 Frederick Emmons Terman Award for Engineering Education.
Group memberships

Papers, Presentations and Reports Authored by Edward A. Lee

  1. 2015-2016 TerraSwarm Annual Report, Edward A. Lee, January, 2017. Posted on 4 Jan 2017.
  2. TerraSwarm Quarterly Report: Milestone #18 Yr 4 Qtr 4, Edward A. Lee, 2016. Posted on 30 Nov 2016.
  3. Accessors: Scalable IoT Programming, Christopher Brooks, Jian Wu, Beth Osyk, Roozbeh Jafari, Edward A. Lee, 15, November, 2016. Posted on 18 Nov 2016.
  4. TerraSwarm Quarterly Report: Milestone #18 Yr 4 Qtr 4, Edward A. Lee, November, 2016. Posted on 1 Nov 2016.
  5. Accessors: Scalable IoT Programming, Beth Osyk, Jian Wu, Christopher Brooks, Roozbeh Jafari, Edward A. Lee, 26, October, 2016. Posted on 29 Oct 2016.
  6. Poster Analytics with SwarmOS: Adaptive Execution of Swarm Applications, Ben Zhang, John Wawrzynek, Edward A. Lee, 26, October, 2016. Posted on 28 Oct 2016.
  7. Toward an Internet of Living Things, Hartnell Jake, Marten Lohstroh, Matt Weber, Edward A. Lee, 26, October, 2016. Posted on 27 Oct 2016.
  8. SST: Secure Swarm Toolkit - Authorization, Authentication, Security for the IoT, Hokeun Kim, Edward A. Lee, 26, October, 2016. Posted on 27 Oct 2016.
  9. TerraSwarm: State of the Center, Edward A. Lee, Jan Rabaey, 26, October, 2016. Posted on 26 Sep 2016.
  10. TerraSwarm Accomplisments, Edward A. Lee, September, 2016. Posted on 31 Aug 2016.
  11. TerraSwarm Quarterly Report: Milestone #17 Yr 4 Qtr 3, Edward A. Lee, August, 2016. Posted on 26 Aug 2016.
  12. Adaptive Contracts for the Internet of Things, Antonio Iannopollo, Marten Lohstroh, Alberto Sangiovanni-Vincentelli, Edward A. Lee, 6, May, 2016. Posted on 9 May 2016.
  13. Building IoT Applications with Accessors in CapeCode, Marten Lohstroh, Ilge Akkaya, Christopher Brooks, Edward A. Lee, 12, April, 2016. Posted on 13 Apr 2016.
  14. Cooperative Multi-Robot Information Acquisition based on Distributed Robust Model Predictive Control, Shuhei Emoto, Ilge Akkaya, Edward A. Lee, submitted to 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems, 9, October, 2016. Posted on 29 Feb 2016.
  15. A Secure Network Architecture for the IoT Based on Local Authorization Entities, Hokeun Kim, Armin Wasicek, Ben Mehne, Edward A. Lee, 11, February, 2016. Posted on 16 Feb 2016.
  16. Accessors Tutorial: Bringing Sanity to IoT's use of Callbacks, Edward A. Lee, 24, February, 2016. Posted on 4 Feb 2016.
  17. IoT and CPS A Focus on Modeling, Edward A. Lee, 19, February, 2016. Posted on 2 Feb 2016.
  18. Accessors: An Open Architecture for the Internet of Things, Edward A. Lee, 10, February, 2016. Posted on 2 Feb 2016.
  19. Keynote Address: The Internet of Important Things, Edward A. Lee, 27, February, 2016. Posted on 2 Feb 2016.
  20. A Secure Network Architecture for the Internet of Things Based on Local Authorization Entities, Hokeun Kim, Armin Wasicek, Benjamin Mehne, Edward A. Lee, 13, January, 2016. Posted on 12 Jan 2016.
  21. Accessor Hosts: Cape Code, Browsers, Node.js, Duktape..., Edward A. Lee, 13, January, 2016. Posted on 12 Jan 2016.
  22. A Secure Network Architecture for the Internet of Things Based on Local Authorization Entities, Hokeun Kim, Benjamin Mehne, Armin Wasicek, Edward A. Lee, 2016 IEEE 4th International Conference on Future Internet of Things and Cloud, August, 2016. Posted on 30 Nov 2015.
  23. Managing Complexity in Streaming Swarm Applications Using Aspects, Ilge Akkaya, Patricia Derler, Shuhei Emoto, Edward A. Lee, 14, October, 2015. Posted on 29 Oct 2015.
  24. An Interface Theory for the Internet of Things, Marten Lohstroh, Edward A. Lee, 14, October, 2015. Posted on 24 Oct 2015.
  25. Opportunistic Localization, Discovery & Computation in the Swarm, Marten Lohstroh, Edward A. Lee, Ben Zhang, Joseph Kee-Yin NG, 15, May, 2014. Posted on 24 Oct 2015.
  26. Localize the World: A Location Accessor Architecture for the Swarm, Matt Weber, Edward A. Lee, 13, October, 2015. Posted on 13 Oct 2015.
  27. A Secure Network Architecture for the Internet of Things Based on Local Authorization Entities, Hokeun Kim, Armin Wasicek, Edward A. Lee, 14, October, 2015. Posted on 13 Oct 2015.
  28. Uncertainty Analysis of Middleware Architectures for Streaming Smart Grid Applications, Ilge Akkaya, Yan Liu, Edward A. Lee, IEEE Transactions on Services Computing, January, 2016. Posted on 23 Jul 2015.
  29. An Interface Theory for the Internet of Things, Marten Lohstroh, Edward A. Lee, Software Engineering and Formal Methods, 20-34, 21, August, 2015. Posted on 21 Jun 2015.
  30. Systems Engineering for Industrial Cyber-Physical Systems using Aspects, Ilge Akkaya, Patricia Derler, Shuhei Emoto, Edward A. Lee, Proceedings of the IEEE (Volume:104 , Issue: 5 ), March, 2016. Posted on 1 Jun 2015.
  31. Control Improvisation with Probabilistic Temporal Specifications, Ilge Akkaya, Daniel J. Fremont, Rafael Valle, Alexandre Donze, Edward A. Lee, Sanjit Seshia, IEEE International Conference on Internet-of-Things Design and Implementation (IoTDI'16), 2016. Posted on 11 May 2015.
  32. Control Improvisation with Probabilistic Temporal Specifications, Ilge Akkaya, Daniel J. Fremont, Rafael Valle, Alexandre Donze, Edward A. Lee, Sanjit Seshia, 23, October, 2015. Posted on 8 May 2015.
  33. Architectural Support for Cyber-Physical Systems, Edward A. Lee, 14, March, 2015. Posted on 23 Mar 2015.
  34. The Cloud is Not Enough: Saving IoT from the Cloud, Ben Zhang, Nitesh Mor, Jack Kolb, Douglas Chan, Nikhil Goyal, Ken Lutz, Eric Allman, John Wawrzynek, Edward A. Lee, John D. Kubiatowicz, HotCloud15, 6, July, 2015. Posted on 19 Mar 2015.
  35. Q1 2015 TerraSwarm Quarterly Report Milestone #10, Edward A. Lee, Tajana Simunic Rosing, John Wawrzynek, Prabal Dutta, Anthony Rowe, Richard Murray, Jeffrey A. Bilmes, Alberto Sangiovanni-Vincentelli, Sanjit Seshia, Jan Rabaey, Douglas L. Jones, Stephane Lafortune, Alex Halderman, David Blaauw, Roozbeh Jafari, Carlos Guestrin, Emily B. Fox, Rahul Mangharam, George Pappas, Vijay Kumar, Bjoern Hartmann, John D. Kubiatowicz, TerraSwarm Research Center, February, 2015. Posted on 25 Feb 2015.
  36. Securing Connections in Internet of Things using an Open and Free Certificate Authority, Hokeun Kim, Armin Wasicek, Edward A. Lee, 12, February, 2015. Posted on 23 Feb 2015.
  37. The TerraSwarm Research Center, Christopher Brooks, Edward A. Lee, 12, February, 2015. Posted on 23 Feb 2015.
  38. JFMI, Christopher Brooks, Edward A. Lee, David Broman, Thierry Stephane Nouidui, Stavros Tripakis, Michael Wetter, UC Berkeley, 29, April, 2013. Posted on 10 Feb 2015.
  39. Milestone #9 Annual (11/1/13-10/31/14) Executive Summary of Accomplishments, Edward A. Lee, TerraSwarm Research Center, February, 2015. Posted on 29 Jan 2015.
  40. PtPlot-5.10, Christopher Brooks, Edward A. Lee, University of California, Berkeley, 26, January, 2015. Posted on 26 Jan 2015.
  41. Self-Organized Semantic Localization, Matt Weber, Edward A. Lee, 16, May, 2014. Posted on 15 Jan 2015.
  42. Sharing or Surveillance? ---On Volition, Control, and Accountability, Marten Lohstroh, Edward A. Lee, 16, September, 2014. Posted on 14 Jan 2015.
  43. The Past, Present, and Future of Cyber-Physical Systems: A Focus on Models, Edward A. Lee, Sensors, 2015, 15, 4837-4869, February, 2015. Posted on 5 Jan 2015.
  44. Ptolemy II 10.0, Ilge Akkaya, Remi Barrere, Christopher Brooks, Dai Bui, Ian Chen, Patrick Chen Chihong, Dan Crawl, Patricia Derler, Siyuan He, Anar Huseynov, Justin Killian, Beth Osyk, Eric Lenormand, Ben Lickly, Marten Lohstroh, William Lucas, Chris Motika, Thierry Nouidui, Aaron Schultz, Chris Shaver, Charles Shelton, Ishwinder Singh, Halvard Traetteberg, Stavros Tripakis, Michael Wetter, Michael Zimmer, Jia Zou, Edward A. Lee, University of California, Berkeley, 18, December, 2014. Posted on 18 Dec 2014.
  45. Q4 2014 TerraSwarm Quarterly Report Milestone #8, Edward A. Lee, TerraSwarm Research Center, November, 2014. Posted on 25 Nov 2014.
  46. A Vision of Swarmlets, Beth Osyk, Edward A. Lee, Marten Lohstroh, Armin Wasicek, Chris Shaver, Matt Weber, 29, October, 2014. Posted on 6 Nov 2014.
  47. 2014 TerraSwarm Research Center Introduction, Edward A. Lee, Jan Rabaey, 29, October, 2014. Posted on 4 Nov 2014.
  48. Software/Hardware Platform Modeling Using Swarmlets For Connected Vehicles, Hokeun Kim, Akihito Iwai, Armin Wasicek, Edward A. Lee, 29, October, 2014. Posted on 31 Oct 2014.
  49. Project PtOWSN: Modeling OpenWSN MAC Layer using Ptolemy II, Antonio Iannopollo, Edward A. Lee, Alberto Sangiovanni-Vincentelli, Ben Zhang, 30, October, 2014. Posted on 29 Oct 2014.
  50. Machine Learning and Optimization for Mobile Sensor Networks: A Swarmlet Approach, Ilge Akkaya, Shuhei Emoto, Edward A. Lee, 30, October, 2014. Posted on 28 Oct 2014.
  51. Context-Aware Systems Using Heterogeneous Sensors Modalities, Terrell R. Bennett, Christine Chan, Rajesh Kuni, Long Le, Patrick Lazik, Hunter Massey, Viswam Nathan, Yashaswini Raghuram Prathivadi Bhayankaram, Jagannathan Venkatesh, Jian Wu, Edward A. Lee, Douglas L. Jones, Tajana Simunic Rosing, Anthony Rowe, Roozbeh Jafari, 29, October, 2014. Posted on 27 Oct 2014.
  52. TerraSwarm Annual Meeting 2014, Edward A. Lee, John Wawrzynek, Tajana Simunic Rosing, John D. Kubiatowicz, Prabal Dutta, Richard Murray, Anthony Rowe, Alberto Sangiovanni-Vincentelli, Sanjit Seshia, 29, October, 2014. Posted on 13 Oct 2014.
  53. Q3 2014 TerraSwarm Quarterly Report Milestone #7, Edward A. Lee, TerraSwarm Research Center, August, 2014. Posted on 23 Sep 2014.
  54. DRAM Power and Thermal Modeling for Embedded System Security Against DRAM Side-Channel Attacks, Hokeun Kim, Armin Wasicek, Edward A. Lee, 16, September, 2014. Posted on 18 Sep 2014.
  55. Taint Analysis for Swarmlets, Armin Wasicek, M. A. Saleh Elmohamed, Yi-Chin Wu, Edward A. Lee, 16, September, 2014. Posted on 18 Sep 2014.
  56. Machine Learning Hands-On Workshop, Edward A. Lee, 15, September, 2014. Posted on 16 Sep 2014.
  57. Machine Learning and Optimization Toolkit in Ptolemy II, Edward A. Lee, 15, September, 2014. Posted on 16 Sep 2014.
  58. Metronomy: A Function-Architecture Co-simulation Framework for Timing Verification of Cyber-Physical Systems, Liangpeng Guo, Qi Zhu, Pierluigi Nuzzo, Roberto Passerone, Alberto Sangiovanni-Vincentelli, Edward A. Lee, International Conference on Hardware/Software Codesign and System Synthesis, 12, October, 2014. Posted on 4 Aug 2014.
  59. A Vision of Swarmlets, Elizabeth Latronico, Edward A. Lee, Marten Lohstroh, Chris Shaver, Armin Wasicek, Matt Weber, IEEE Internet Computing, Special Issue on Building Internet of Things Software, 19, 2, 20-29, March, 2015. Posted on 1 Jul 2014.
  60. TerraSwarm Center Highlights and Metrics for Milestone #6 Feb. 1, 2014- Apr. 30, 2014, Edward A. Lee, UC Berkeley, May, 2014. Posted on 9 Jun 2014.
  61. TerraSwarm Analytical Framework, Edward A. Lee, 19, May, 2014. Posted on 28 May 2014.
  62. HOBS: Head Orientation Based Selection in Physical Spaces, Ben Zhang, Yu-Hsiang Chen, Claire Tuna, Achal Dave, Yang Li, Edward A. Lee, Bjoern Hartmann, ACM Symposium on Spatial User Interaction (SUI), October, 2014. Posted on 21 Apr 2014.
  63. A Vision of the TerraPlane, Edward A. Lee, 11, April, 2014. Posted on 11 Apr 2014.
  64. Q1 2014 TerraSwarm Quarterly Report Milestone #5, David Blaauw, Prabal Dutta, Kevin Fu, Carlos Guestrin, Roozbeh Jafari, Douglas L. Jones, John D. Kubiatowicz, Vijay Kumar, Edward A. Lee, Richard Murray, George Pappas, Jan Rabaey, Tajana Simunic Rosing, Anthony Rowe, Alberto Sangiovanni-Vincentelli, Sanjit Seshia, John Wawrzynek, David Wessel, TerraSwarm Research Center, March, 2014. Posted on 6 Mar 2014.
  65. WCET-Aware Dynamic Scratchpad Memory Management, Yooseong Kim, David Broman, Aviral Shrivastava, Edward A. Lee, 13, February, 2014. Posted on 18 Feb 2014.
  66. Aspect-Oriented Modeling for Anomaly Detection and State Estimation, Ilge Akkaya, Edward A. Lee, 13, February, 2014. Posted on 18 Feb 2014.
  67. A Time-Predictable DRAM Controller for Mixed Time-Criticality Systems, Hokeun Kim, Daniel Oh, Edward A. Lee, 13, February, 2014. Posted on 18 Feb 2014.
  68. The TerraSwarm Research Center, Christopher Brooks, Edward A. Lee, 14, February, 2014. Posted on 18 Feb 2014.
  69. TerraSwarm 2013 Annual Report, Edward A. Lee, January, 2014. Posted on 14 Jan 2014.
  70. 2013 Q3 TerraSwarm Summary and Metrics, Edward A. Lee, David Blaauw, Prabal Dutta, Kevin Fu, Carlos Guestrin, Roozbeh Jafari, Douglas L. Jones, John D. Kubiatowicz, John Wawrzynek, Vijay Kumar, Alberto Sangiovanni-Vincentelli, Carl Sechen, Sanjit Seshia, Jan Rabaey, Tajana Simunic Rosing, George Pappas, Richard Murray, David Wessel, TerraSwarm Research Center, November, 2013. Posted on 6 Dec 2013.
  71. A Context Menu for the Real World: Controlling Physical Appliances Through Head-Worn Infrared Targeting, Yu-Hsiang Chen, Ben Zhang, Claire Tuna, Yang Li, Edward A. Lee, Bjoern Hartmann, 5, November, 2013. Posted on 12 Nov 2013.
  72. A Context Menu for the Real World: Controlling Physical Appliances Through Head-Worn Infrared Targeting, Yu-Hsiang Chen, Ben Zhang, Claire Tuna, Yang Li, Edward A. Lee, Bjoern Hartmann, UC Berkeley, UCB/EECS-2013-182, November, 2013. Posted on 12 Nov 2013.
  73. Aspect-Oriented Modeling, Patricia Derler, Ilge Akkaya, Edward A. Lee, 6, November, 2013. Posted on 6 Nov 2013.
  74. The TerraSwarm Research Center - Annual Review Introduction, Edward A. Lee, Jan Rabaey, 5, November, 2013. Posted on 5 Nov 2013.
  75. The TerraSwarm Research Center, Edward A. Lee, 5, November, 2013. Posted on 5 Nov 2013.
  76. Aspect-Oriented Fault Modeling and Anomaly Detection, Ilge Akkaya, Patricia Derler, Edward A. Lee, 5, November, 2013. Posted on 5 Nov 2013.
  77. Real-Time Control Improvisation For The SmartJukebox, Ilge Akkaya, Alexandre Donze, Sanjit Seshia, David Wessel, Edward A. Lee, 5, November, 2013. Posted on 4 Nov 2013.
  78. Read-Ahead Material for the Introduction and All Themes for the TerraSwarm 2013 Annual Review, Edward A. Lee, Jan Rabaey, Tajana Simunic Rosing, John Wawrzynek, Prabal Dutta, John D. Kubiatowicz, Richard Murray, Ben Taskar, Alberto Sangiovanni-Vincentelli, Sanjit Seshia, 15, October, 2013. Posted on 15 Oct 2013.
  79. The TerraSwarm Research Center: Read-Ahead Material for the Annual Review to be held in Berkeley, CA, Nov. 5 & 6, 2013, Edward A. Lee, Jan Rabaey, 15, October, 2013. Posted on 15 Oct 2013.
  80. The Q2 2013 Terraswarm Quarterly Report, Edward A. Lee, UC Berkeley, 28, August, 2013. Posted on 7 Oct 2013.
  81. Modeling Uncertainty for Middleware-based Streaming Power Grid Applications, Ilge Akkaya, Edward A. Lee, Yan Liu, Ian Gorton, MW4NG'13: 8th International Workshop on Middleware for Next Generation Internet Computing, 9, December, 2013. Posted on 4 Oct 2013.
  82. The Swarm at the Edge of the Cloud, Edward A. Lee, Jan Rabaey, David Blaauw, Prabal Dutta, Kevin Fu, Carlos Guestrin, Bjoern Hartmann, Roozbeh Jafari, Douglas L. Jones, John D. Kubiatowicz, Vijay Kumar, Rahul Mangharam, Brian T. Murray, George Pappas, Kris Pister, Anthony Rowe, Alberto Sangiovanni-Vincentelli, Sanjit Seshia, Tajana Simunic Rosing, Ben Taskar, John Wawrzynek, David Wessel, IEEE Design and Test of Computers on Cloud Computing for Embedded Systems, 31, 3, 8-20, June, 2014. Posted on 23 Sep 2013.
  83. Cyber-Physical Systems: A Rehash or A New Intellectual Challenge?, Edward A. Lee, 4, June, 2013. Posted on 11 Jun 2013.
  84. Q1 TerraSwarm Overview, Edward A. Lee, 31, May, 2013. Posted on 31 May 2013.
  85. The Q1 2013 TerraSwarm Quarterly Report, David Blaauw, Prabal Dutta, Kevin Fu, Carlos Guestrin, Roozbeh Jafari, Douglas L. Jones, John D. Kubiatowicz, Vijay Kumar, Edward A. Lee, Richard Murray, George Pappas, Jan Rabaey, Tajana Simunic Rosing, Anthony Rowe, Alberto Sangiovanni-Vincentelli, Carl Sechen, Sanjit Seshia, Ben Taskar, John Wawrzynek, David Wessel, The TerraSwarm Research Center, TSRC01, May, 2013. Posted on 30 May 2013.
  86. On the Verification of Timed Discrete-Event Models, Christos Stergiou, Stavros Tripakis, Eleftherios Matsikoudis, Edward A. Lee, 11th International Conference on Formal Modeling and Analysis of Timed Systems (FORMATS 2013), 29, August, 2013. Posted on 22 May 2013.
  87. How to create a director in Ptolemy II, Edward A. Lee, 4, April, 2013. Posted on 24 Apr 2013.
  88. Ptolemy Tutorial, Part 2, Edward A. Lee, 2, April, 2013. Posted on 8 Apr 2013.
  89. Ptolemy Tutorial, Part 1, Edward A. Lee, 27, March, 2013. Posted on 8 Apr 2013.
  90. It's About Time, Edward A. Lee, 13, March, 2013. Posted on 20 Mar 2013.
  91. Model-Based Evaluation of GPS Spoofing Attacks on Power Grid Sensors, Ilge Akkaya, Edward A. Lee, Patricia Derler, IEEE Workshop on Modeling and Simulation of Cyber-Physical Energy Systems, 20, May, 2013. Posted on 11 Mar 2013.
  92. Model-Based Evaluation of GPS Spoofing Attacks, Ilge Akkaya, Edward A. Lee, Patricia Derler, 14, February, 2013. Posted on 15 Feb 2013.
  93. An Overview of the TerraSwarm Research Center, Christopher Brooks, Edward A. Lee, 14, February, 2013. Posted on 15 Feb 2013.
  94. What I Bring to the Table and What I Want to Accomplish, Edward A. Lee, 29, January, 2013. Posted on 29 Jan 2013.
  95. TerraSwarm Contract Requirements, Edward A. Lee, 29, January, 2013. Posted on 29 Jan 2013.
  96. TerraSwarm Introduction, Motivation, and Goals, Edward A. Lee, 29, January, 2013. Posted on 29 Jan 2013.
  97. Web Interfaces, Christopher Brooks, Edward A. Lee, Beth Osyk, Baobing Wang, Roxana Gheorghui, January, 2013. Posted on 26 Jan 2013.
  98. The TerraSwarm Research Center (TSRC) (A White Paper), Edward A. Lee, John D. Kubiatowicz, Jan Rabaey, Alberto Sangiovanni-Vincentelli, Sanjit Seshia, John Wawrzynek, David Blaauw, Prabal Dutta, Kevin Fu, Carlos Guestrin, Roozbeh Jafari, Douglas L. Jones, Vijay Kumar, Richard Murray, George Pappas, Anthony Rowe, Carl Sechen, Tajana Simunic Rosing, Ben Taskar, EECS Department, University of California, Berkeley, UCB/EECS-2012-207, November, 2012. Posted on 6 Jan 2013.
  99. The TerraSwarm Research Center (TSRC), Edward A. Lee, 1, November, 2012. Posted on 14 Dec 2012.

Counts

  • 10 Journal articles.
  • 20 Conference papers.
  • 12 Technical reports.
  • 36 Talk or presentations.
  • 36 Posters.
  • 6 Unpublished articles.
  • 3 Software.
  • 4 Tutorials.

The counts above are from the publications database. The number of posters is derived from the presentations.

Note: A poster is a presentation that has the word 'poster' (case-insensitive) in the any of the text fields. Thus, the poster count might be somewhat inaccurate. The number of posters is deducted from the number of presentations and bother are reported.