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Communications of the ACM

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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


How Wise Are Crowds?
From ACM News

How Wise Are Crowds?

By melding economics and engineering, researchers show that as social networks get larger, they usually get better at sorting fact from fiction.

Social Studies
From ACM News

Social Studies

In MIT's Human Dynamics Lab, Sandy Pentland uses cellphones and wearable sensors to research nonverbal signals, information flow, and the value of face-to-face...

Teaching Real-World Programming
From ACM News

Teaching Real-World Programming

In an innovative software-engineering class, students meet for regular "code reviews" with senior programmers from Boston-area companies.

Programming Crowds
From ACM News

Programming Crowds

With the Web, people worldwide can work on distributed tasks. But getting reliable results requires algorithms that specify workflow between people, not transistors...

Faster Websites, More Reliable Data
From ACM TechNews

Faster Websites, More Reliable Data

Massachusetts Institute of Technology researchers have developed TxCache, a database caching system that eliminates certain types of asymmetric data retrieval while...

From ACM News

Multicore May Not Be So Scary

Research suggests that the free operating system Linux will keep up with the addition of more "cores," or processing units, to computer chips.

From ACM TechNews

Cars as Traffic Sensors

Researchers working on MIT's CarTel project are studying how cars could be used as ubiquitous mobile sensors. The researchers developed an algorithm that optimizes...

First Improvement of Fundamental Algorithm in 10 Years
From ACM News

First Improvement of Fundamental Algorithm in 10 Years

The max-flow problem, which is ubiquitous in network analysis, scheduling, and logistics, can now be solved more efficiently than ever.

Disembodied Performance
From ACM TechNews

Disembodied Performance

Massachusetts Institute of Technology Media Lab professor Tod Machover has spent more than a decade inventing the technology for a new opera premiering in September...

Can You Find Me Now?
From ACM News

Can You Find Me Now?

By demonstrating fundamental limits on their accuracy, MIT researchers show how to improve wireless location-detection systems.

Sizing Samples
From ACM TechNews

Sizing Samples

Massachusetts Institute of Technology researchers led by graduate student Vincent Tan have taken an initial step to determine how much data is enough to support...

Sizing Samples
From ACM News

Sizing Samples

Many scientific disciplines use computers to infer patterns in data. But how much data is enough to ensure that the inferences are right?

The MIT Roots of Google
From ACM News

The MIT Roots of Google

Google’s App Inventor, which lets people with no previous programming experience build applications for mobile phones, draws on decades of MIT research.

Shape-Shifting Robots
From ACM News

Shape-Shifting Robots

Self-folding sheets of a plastic-like material point the way to robots that can assume any conceivable 3D structure.

­nraveling the Matrix
From ACM TechNews

­nraveling the Matrix

Massachusetts Institute of Technology professor Gilbert Strang has developed a way to split certain types of matrices into simpler ones, which could help produce...

Computer Automatically Deciphers Ancient Language
From ACM News

Computer Automatically Deciphers Ancient Language

A new system that took a couple hours to decipher much of the ancient language Ugaritic could help improve online translation software.

An Internet 100 Times As Fast
From ACM News

An Internet 100 Times As Fast

A new network design that avoids the need to convert optical signals into electrical ones could boost capacity while reducing power consumption.

Toward the Semantic Web
From ACM TechNews

Toward the Semantic Web

The World Wide Web Consortium recently published the Rule Interchange Format, a new standard that should help bring the idea of the Semantic Web closer to reality...

From ACM TechNews

How the Brain Recognizes Objects

Researchers at the Massachusetts Institute of Technology's McGovern Institute of Brain Research have devised a computational model describing how the primate brain...

Machines That Learn Better
From ACM News

Machines That Learn Better

New mathematics will make it much easier to build machine-learning systems that tackle a wider range of problems.
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