Poughkeepsie Chapter of the Association For Computing Machinery



Next meeting: Topic and date to be announced.

Luther Woodrum, Lossless Compression for Structured Data, May 21 (18 attendees)

Frank Rubin, Matrix Methods for Private Key Cryptography, April 23 (24 attendees) Foil Presentation           Technical Paper

Samrat Pathania, Attention and Distraction: Digital Technologies and Us, March 19 (19 attendees) Foil Presentation

Nick Bronn, Quantum Computing on the IBM Quantum Experience with the Quantum Information Software Toolkit, January 22 (27 attendees) Foil Presentation


Bob Cotton, Program Verification with Proof Assistants: The Time Has Come, November 20 (12 attendees) Foil Presentation

Dr. Karen Schrier, Crowdsourcing through Games, October 16 (16 attendees) Foil Presentation

Dr. Joseph Kirtland, Elliptic Curve Cryptography, September 25 (17 attendees) Foil Presentation

Chai Wah Wu, Graph Laplacian as Quantum State Density Matrices and their Entanglement Properties, May 22 (7 attendees) Foil Presentation

Rebecca M. Gott, The Blockchain Transformation, April 17 (33 attendees) Foil Presentation

Harry Elder, Buried Treasure in Windows, March 20 (19 attendees) Foil Presentation

Eric Wedaa, LongTail Honeypot — Adventures in Cybersecurity and Coding, January 16 (20 attendees) Foil Presentation


Luther Woodrum, Database Operations on Compressed Data, November 21 (17 attendees)

Christopher Garrett, Overview of the Swift Programming Language, September 19 (13 attendees)

Patrick Ladd, NUMA Memory Architecture and the Linux Memory System, May 9 (18 attendees) Foil Presentation

Dr. Joseph Kirtland, Secure Data Transmission: The Mathematics Behind Identification Numbers and Check Digit Schemes, April 18 (18 attendees) Foil Presentation

Abe Uchitelle, Technology in Marketing for 2016, March 21 (22 attendees) Foil Presentation

Ed Nisley, Plotting Like It's 1989, January 25 (11 attendees) Foil Presentation


John Sheehan, Applications of the Semantic Web for Healthcare, November 16 (16 attendees) Foil Presentation

Scott Lydiard, The Evolving Software Development Scene: Where Do Old Programmers Go?, October 19 (20 attendees) Foil Presentation

Christopher Garrett, The Lifestyle, Technology, and Business of Modern Independent Game Development, September 21 (10 attendees)

Dr. David M. Clark, The Demise and Revitalization of Geometry in our Schools, May 11 (13 attendees)

Dr. Nitya Narasimhan, DigitalHV: Amplifying Technology Presence in Hudson Valley, April 20 (15 attendees)

Dr. Donald Silberger, Minimal Angular Determinations for Convex Polygons, March 16 (12 attendees)

Dr. Ray Polivka, The World of APL, Today, January 19 (19 attendees)


Sean Swehla, Fostering the Maker Culture, November 17 (33 attendees)

Bob Cotton, The Stable Marriage Algorithm, October 20

Dr. David M. Clark, Quantum Theoretic Reality: the EPR Experiment, May 19 (27 attendees)

Jane Bartik, Women: The First Programmers, April 21 (19 attendees)

Patrick Ladd, Typography: From Brush Stroke to Pixels, March 31 (18 attendees)

Tim Tomaselli, Addressing and Instructions in the 64-bit World, February 10 (20 attendees) Foil Presentation


Harry Elder, Advanced PC Strategies: Protecting Your PC and Data, and Recovering from Disaster, November 18 (28 attendees)

Richard Martino, The Technology of Solar Arrays, October 21 (16 attendees)

Sushil Bhatia, Infobrella: A User Customizable Information Manager, September 16 (14 attendees)

Dr. David M. Clark, Designing Switching Circuits via Evolutionary Computation, May 20 (28 attendees)

Harry Elder, Recovering Your PC, April 15 (24 attendees)

Luther Woodrum, Writing Zero Defect Programs, March 25 (22  attendees)

Robert L. Morrison, Magic Squares, January 21 (20 attendees)


Art Baron, Strategic Alliances in the Technology Sector, November 19 (14 attendees)

Joe Kirtland, The Mathematics of Cryptography: From Caesar to RSA, October 22 (24 attendees)

Walter Recher, How to Develop and Manage a Successful Technology Startup, September 17 (18 attendees)

Ed Nisley, DIY 3D Printing: Hardware and Software, May 21 (35 attendees)

Sean Dague, Distributing the Future: the hows, whys, and benefits of being a tech volunteer, April 23 (21 attendees)

Dr. Srini Chari, Driving Growth in Technology Businesses, March 19 (17  attendees)

Ric Dragon, The Convergence and Divergence of Marketing and Engineering, January 23 (13 attendees)


Dr. Owen Hill, Can you predict future economic trends?, November 21 (18 attendees)

Tom Ruane, Everything you know is wrong: How computers are changing the history and analysis of baseball, October 17 (35 attendees)

Dr. Dilma Da Silva, Lessons Learned from Building the K42 Operating System, September 19 (27 attendees)

Thomas Murphy, Blind-sided and Hacked! Not Once, but Twice!, May 16 (20 attendees)

Jerry Greenberg, The Coming Revolution in Software Distribution, May 2 (15 attendees)

Sam Patton, The Math behind Mathematical Magic, March 21 (20  attendees)

Sean Dague, Solar System in your Pocket — Developing Android Applications, January 17 (18 attendees)


Robert Cotton, A Demonstrably Superior Voting Method, November 15 (17 attendees)

Sal Vitti, Implementation of Electronic Signatures on the Web, October 18 (13 attendees)

Donald Costello, Cryptography: From Enigma to Elliptical Curve Cryptography, September 20 (35 attendees)

Four Bard College Students, Senior Theses, May 17

Luther Woodrum, Sorting with radix partition trees, April 19

Jon Bentley, Quicksort 2010: Implementing and Analyzing a Family of Functions, March 15

Jeff Dowley, Windows 7, January 25


Jim Kukula, Satisfiability: Applications and Algorithms, November 16

David L. Hoffman, Meeting announcement is missing, October 19

Mike Webb, The Computers in Your Car, September 21

Susan Scanlon, Academic Support for Entrepreneurial Computing, May 18

Sean Dague, Growing Software — A look at Open Source past and future, April 20

Adam Aronson, The Latest in FileMaker 10, March 16

Bill Abram, Cloud-Delivered Services, a Report from the Front Lines, January 19


Mark L. Kramer, Using the Web to Understand the Weather, November 17

Neil Curri, Geospatial Technologies for Conservation and Land Use Planning, October 20

Meeting announcement is missing, September

Brian Keeler & Gary Levine, Technology in Campaign Politics: Using the Internet to Reach your Voters, May 19

Robin K. Burk, Natural Language Understanding in Robots: Challenges and State of the Art, April 21

Adam Hocek, Secure Process Driven Messaging, March 24

Alan Mack & Rich Syrek, SoftWidgets, January 14


Luther Woodrum, The No Record Database (NRDB), December 3

Luther Woodrum, Interesting Things About Trees You Never Knew (cancelled), November 19

Ric Dragon, Hudson Valley Software Summit, October 15

Cate Long, Building a Retail Fixed Income Market, May 21

Ed Nisley, Free Software, Open Source, and You, April 16

Phil Van Itallie, A First Look at Vista, March 19

Gordon Sager, Cyclic Redundancy Checking (CRC). Where is it Used? Why? How does it Work?, January 15


Vicky Perry, Voting Machines, November 20

Les Neumann, HVCFI's Technology Targeted Incubation and Business Development Program, October 16

Diane Jablonski, The Uses of Computer Technology in Local Government, September 25

William W. Collier, Writing a Program to Play Sudoku, May 15 Foil Presentation

Jerry Greenberg, The Image Storage Dilemma, April 17

Luther J. Woodrum, Parsing Made Easier, or Just Another Grammar (JAG), March 20

A. John Blair, M.D., THINC (Taconic Health Information Network and Community): A Case Study, January 23