Communications of the ACM
DEPARTMENT: Tapia conference letter
DEPARTMENT: Letters to the editor
DEPARTMENT: BLOG@CACM
DEPARTMENT: CACM online
COLUMN: News
COLUMN: Emerging markets
COLUMN: Historical reflections
COLUMN: Broadening participation
COLUMN: The profession of IT
COLUMN: Kode Vicious
COLUMN: Viewpoint
SECTION: Practice
SECTION: Contributed articles
SECTION: Review articles
SECTION: Research highlights
COLUMN: Last byte
SECTION: Virtual extension
Diverse Connections
Created as a supportive networking environment for underrepresented groups in computing and information technology, the Richard Tapia Celebration of Diversity in …DEPARTMENT: Letters to the editor
Science Has Four Legs
As an editor of The Fourth Paradigm and someone who subscribes to Jim Gray's vision that there are now four fundamental scientific methodologies, I feel I must respond to Moshe Y. Vardi's Editor's Letter "Science Has Only Two …In the Virtual Extension
The following synopses are from Virtual Extension articles that are now available in their entirety to ACM members via the Digital Library.DEPARTMENT: BLOG@CACM
Security Advice; Malvertisements; and CS Education in Qatar
Greg Linden discusses security advice and the cost of user effort, Jason Hong considers the increase in malvertisements, and Mark Guzdial writes about gender and CS education in Qatar.DEPARTMENT: CACM online
School Grades Need Improvement
Much has been written over the last decade about the abysmal state of the education arms race in the U.S., particularly in the STEM disciplines. Two recent reports show how …COLUMN: News
The Eyes Have It
Eye-tracking control for mobile phones might lead to a new era of context-aware user interfaces.Topic Models vs. Unstructured Data
With topic modeling, scientists can explore and understand huge collections of unlabeled information.CSEdWeek Expands Its Reach
The second Computer Science Education Week is showing students, parents, and educators why computer science is important.The New Face of War
With the introduction of the sophisticated Stuxnet worm, the stakes of cyberwarfare have increased immeasurably.A Matter of Privacy
Do consumers have enough control over their personal information or is more government regulation needed?COLUMN: Emerging markets
The Coming African Tsunami of Information Insecurity
As the affordability and use of mobile phones in Africa increase, so too will security vulnerabilities.COLUMN: Historical reflections
IBM's Single-Processor Supercomputer Efforts
Imagine a CPU designed to issue and execute up to seven instructions per clock cycle, with a clock rate 10 times faster than the reigning supercomputer. This is the ACS-1 supercomputer designed more than 40 years ago.COLUMN: Broadening participation
The Role of Hispanic-Serving Institutions in Contributing to an Educated Work Force
In order to thrive and even survive in the worldwide marketplace of ideas and innovation, the U.S. must aggressively meet the challenge of increasing the number of students …COLUMN: The profession of IT
The Long Quest For -Universal Information Access
Digital object repositories are on the cusp of resolving the long-standing problem of universal information access in the Internet.COLUMN: Kode Vicious
Literate Coding
While it is true that "programmers aren't English majors," there are many days that I wish they were, or that they knew one and offered to help with …COLUMN: Viewpoint
We Need a Research Data Census
The increasing volume of research data highlights the need for reliable, cost-effective data storage and preservation at the national scale.SECTION: Practice
A Conversation with Ed Catmull
Pixar's president Ed Catmull sits down with Stanford professor (and former Pixar-ian) Pat Hanrahan to reflect on the blending of art and technology.The Theft of Business Innovation: An ACM-BCS Roundtable on Threats to Global Competitiveness
These days, cybercriminals are looking to steal more than just banking information.SECTION: Contributed articles
Certified Software
Only if the programmer can prove (through formal machine-checkable proofs) it is free of bugs with respect to a claim of dependability.Business Impact of Web 2.0 Technologies
What do wikis, blogs, podcasts, social networks, virtual worlds, and the rest do for corporate productivity and management?SECTION: Review articles
Bayesian Networks
What are Bayesian networks and why are their applications growing across all fields?SECTION: Research highlights
Technical Perspective: Iterative Signal Recovery From Incomplete Samples
You are given a large set of data values, and you are requested to compress, clean, recover, recognize, and/or predict it. Sounds familiar? This is the …CoSaMP: Iterative Signal Recovery From Incomplete and Inaccurate Samples
Compressive sampling (CoSa) is a new paradigm for developing data sampling technologies. The main computational challenge in CoSa is to reconstruct a compressible signal from the reduced representation acquired by the sampling …Technical Perspective: QIP = PSPACE Breakthrough
It is now clear that for a wide range of problems, quantum computers offer little or no advantage over their classical counterparts.QIP = PSPACE
The collection of computational problems having quantum interactive proof systems consists precisely of those problems solvable with an ordinary classical computer using at most a polynomial amount of memory (or QIP = PSPACE …COLUMN: Last byte
Puzzled: Solutions and Sources
It's amazing how little we know about the simple, ordinary, axis-aligned rectangle. Last month (p. 112) we posted a trio of brainteasers, including one as yet unsolved, concerning rectangles galore. Here, we offer solutions to …Future Tense: Rebirth of Worlds
Build a digital library of pioneering virtual worlds as a living laboratory of history and social science.SECTION: Virtual extension
