Communications of the ACM
Computing For Humans
Leibniz conceived of a universal mathematical language in which all human knowledge can be expressed, and calculational rules carried out by machines to derive all logical relationships. His definition of computing captures …DEPARTMENT: Letters to the Editor
To Boost Presentation Quality, Ask Questions
Moshe Y. Vardi's "Are You Talking to Me?" (Sept. 2011) said conference attendees are sometimes unable to follow speakers' presentations and eventually give up trying. How about an experimental conference where session chairs …DEPARTMENT: BLOG@CACM
Conferences and Video Lectures; Scientific Educational Games
John Langford analyzes whether conferences should offer video lectures. Judy Robertson discusses the merits of the Game Design Through Mentoring and Collaboration project.Nominees For Elections and Report of the ACM Nominating Committee
In accordance with the Constitution and Bylaws of the ACM, the Nominating Committee hereby submits the following slate of nominees for ACM's officers.COLUMN: News
The Rise of Molecular Machines
The field of molecular computing is achieving new levels of control over biochemical processes and fostering sophisticated connections between computer science and the biological sciences.Brave NUI World
Natural user interface developments, such as Microsoft's Kinect, may indicate the beginning of the end for the mouse.Activism Vs. Slacktivism
Today's activists are highly plugged into social media, mobile apps, and other digital tools. But does this make a difference where it matters most?CSEdWeek Takes Hold
Groups in more than 130 countries will participate in Computer Science Education Week this year.Dennis Ritchie, 1941-2011
Colleagues recall the creator of C and codeveloper Unix, an unassuming but brilliant man who enjoyed playing practical jokes on his coworkers.The Most Ancient Marketing
Before Apple, Steve Jobs famously went to India with a college friend. While I never had occasion to talk to Jobs about it, I have a theory I wish I had a chance to try out on him. The theory is that Jobs saw gurus in India …Life, Death, and the iPad: Cultural Symbols and Steve Jobs
In the days that followed Steve Jobs' death, he was frequently compared to Henry Ford and Thomas Edison. But Jobs was creating experiences, not technologies or products. He, and Apple, were creating a new symbolic register in …COLUMN: Technology strategy and management
The Legacy of Steve Jobs
Reflecting on the career and contributions of the Apple cofounder.COLUMN: Emerging markets
On Turbocharged, Heat-Seeking, Robotic Fishing Poles
There is a well-known proverb, "If you give someone a fish, they'll eat for a day; if you teach them how to fish, they'll eat for a lifetime." The point is obvious. It also packs insights that are relevant for the technologist …COLUMN: Kode Vicious
Debugging on Live Systems
It is more of a social than a technical problem.COLUMN: Broadening participation
Data Trends on Minorities and People with Disabilities in Computing
Seeking a comprehensive view of minority student demographics to determine what programs and policies are needed to promote diversity.COLUMN: The profession of IT
The Grounding Practice
The skill of making and recognizing grounded claims is essential for professional practice. Getting objective data to support your conclusions is not enough.COLUMN: Viewpoint
Doctoral Program Rankings For U.S. Computing Programs: The National Research Council Strikes Out
A proposal for improving doctoral program ranking strategy.SECTION: Practice
Postmortem Debugging in Dynamic Environments
Many modern dynamic languages lack tools for understanding complex failures.How Will Astronomy Archives Survive the Data Tsunami?
Astronomers are collecting more data than ever. What practices can keep them ahead of the flood?Coding Guidelines: Finding the Art in the Science
Computer science is both a science and an art. Yet, when it comes time for implementation, there is a combination of artistic flare, nuanced style, and technical prowess that separates good code from great code.SECTION: Contributed articles
Visual Crowd Surveillance Through a Hydrodynamics Lens
People in high-density crowds appear to move with the flow of the crowd, like particles in a liquid.License Risks from Ad Hoc Reuse of Code from the Internet
Software developers' reuse of code from the Internet bears legal and economic risks for their employers.Formal Analysis of MPI-Based Parallel Programs
The goal is reliable parallel simulations, helping scientists understand nature, from how foams compress to how ribosomes construct proteins.SECTION: Review articles
Answer Set Programming at a Glance
The motivation and key concepts behind answer set programming — a promising approach to declarative problem solving.SECTION: Research highlights
Technical Perspective: Safety First!
Software misbehaves all too often. This is a truism, but also the driving force behind many computing techniques intended to increase software reliability, safety, and security, ranging from basic testing to full formal verification …Safe to the Last Instruction: Automated Verification of a Type-Safe Operating System
High-level computer applications build on services provided by lower-level software layers. Unfortunately, today's low-level software still suffers from a steady stream of bugs, often leaving computers vulnerable to attack …Technical Perspective: Anonymity Is Not Privacy
We live in an era of data abundance. Every aspect of our online and offline behavior is captured and analyzed. The companies holding our data face the responsibility for protecting our privacy, especially as they sell and exchange …Wherefore Art Thou R3579X?: Anonymized Social Networks, Hidden Patterns, and Structural Steganography
In a social network, nodes correspond to people or other social entities, and edges correspond to social links between them. We describe a family of attacks such that it is possible to learn whether edges exist or not between …COLUMN: Last byte
