Communications of the ACM
DEPARTMENT: Professions board letter
DEPARTMENT: Publisher's corner
DEPARTMENT: Letters to the editor
DEPARTMENT: In the virtual extension
DEPARTMENT: blog@CACM
DEPARTMENT: CACM online
COLUMN: News
COLUMN: Viewpoints
SECTION: Practice
SECTION: Contributed articles
SECTION: Review articles
SECTION: Research highlights
COLUMN: Last byte
SECTION: Virtual extension
Communications and the Practitioner
A year ago, this publication was stripped to the studs and rebuilt, with everything from the content to the cover art revisited, rethought, and revitalized.DEPARTMENT: Publisher's corner
Responding to the Blogosphere
In the July issue of Communications, Moshe Vardi addressed ACM's access model in his Editor's Letter, which has since been picked up in the blogosphere by John Dupuis. Dupuis raised some interesting questions that I believe deserve …DEPARTMENT: Letters to the editor
Why Invention and Innovation Diverge
My compliments on the article "One Laptop Per Child: Vision vs. Reality" by Kenneth L. Kraemer et al. (June 2009). It is incredibly valuable for the ACM community to understand the profound difference between invention and innovation …DEPARTMENT: In the virtual extension
In the Virtual Extension
Communications' Virtual Extension brings more quality articles to ACM members. These articles are now available in the ACM Digital Library.DEPARTMENT: blog@CACM
An ICT Research Agenda, HPC and Innovation, and Why Only the Developed World Lacks Women in Computing
Jeannette M. Wing writes about the need for a comprehensive research agenda, Daniel Reed discusses high-performance computing, and Mark Guzdial shares insights about women in computing.DEPARTMENT: CACM online
The New Searchers
Behind Google's simple search box are a complex set of algorithms. Search experts say they are updated constantly, but the same old search page and the listed results don't …COLUMN: News
Just For You
Recommender systems that provide consumers with customized options have redefined e-commerce, and are spreading to other fields.Face Recognition Breakthrough
By using sparse representation and compressed sensing, researchers have been able to demonstrate significant improvements in accuracy over traditional face-recognition techniques.IT Drives Policy - and Vice Versa
Technologists discuss government policies affecting broadband, patent reform, privacy — and President Obama's effect on it all.Learning Through Games
Electronic games can inspire players to explore new ideas and concepts. By gaining a better understanding of the dynamic between player and game, researchers hope to develop more interesting and effective approaches.U.S. Unveils Cybersecurity Plan
'Intent and timing' may help the federal cyberspace initiative work better than previous blueprints.COLUMN: Viewpoints
Economic and Business Dimensions: Entrepreneurship During a Slump
A contrarian's perspective on how entrepreneurial opportunities and innovation can thrive during an economic crisis.Education: Alice 3: Concrete to Abstract
The innovative Alice 3 programming environment, currently in beta testing, teaches students to program with Alice and Java software.Privacy and Security: An Ethics Code For U.S. Intelligence Officers
Debating and arguing the points of a proposed code of behavior to provide guidance in making choices can produce the most effective ethics training.Viewpoint: Time For Computer Science to Grow Up
As the computer science field has evolved, so should the methods for disseminating computing research results.SECTION: Practice
The Pathologies of Big Data
Scale up your datasets enough and your apps come undone. What are the typical problems and where do the bottlenecks surface?Browser Security: Lessons from Google Chrome
To shield the browser from attacks, Google Chrome developers eyed three key problems.CTO Roundtable: Cloud Computing
The age of cloud computing has begun. How can companies take advantage of the new opportunities it provides?SECTION: Contributed articles
A Blind Person's Interactions with Technology
Meaning can be as important as usability in the design of technology.Revitalizing Computing Education Through Free and Open Source Software For Humanity
The humanitarian focus of socially useful projects promises to motivate community-minded undergrads in and out of CS.SECTION: Review articles
Boolean Satisfiability: From Theoretical Hardness to Practical Success
Satisfiability solvers can now be effectively deployed in practical applications.SECTION: Research highlights
Technical Perspective: Maintaining Quality in the Face of Distributed Development
It was a problem that should not have taken three weeks to solve. The documentation claimed that if a function was called from a command line with particular parameters, it …Does Distributed Development Affect Software Quality?: An Empirical Case Study of Windows Vista
Existing literature on distributed development in software engineering and other fields discusses various challenges, including cultural barriers, expertise transfer difficulties …Technical Perspective: Where the Chips May Fall
The traditional approach to circuit design has been to build chips that work correctly at extreme-case process corners, thereby guard-banding them …Statistical Analysis of Circuit Timing Using Majorization
Future miniaturization of silicon transistors following Moore's Law may be in jeopardy as it becomes harder to precisely define the behavior and shape of nanoscale transistors.COLUMN: Last byte
Puzzled: Probability and Intuition
Welcome to three new puzzles. Solutions to the first two will be published next month; the third is (as yet) unsolved. In each puzzle, the issue is how your intuition matches up with the mathematics.SECTION: Virtual extension
