Communications of the ACM
Why the Simplex Method, at Age 75, is Still the Go-To Algorithm
Daniel A. Spielman and colleague Shang-hua Teng solved the mystery of the Simplex Method using a technique called smoothed analysis… From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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Drone se Takes Off on the Home Front
With little public attention, dozens of universities and law-enforcement agencies have been given approval by federal aviation regulators to use unmanned aircraft...
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Beware Apps Bearing Unwanted Gifts
As companies increasingly allow workers to use personal smartphones and tablets on the job, they are confronting a potential new security threat: malicious software...
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Watching and Waiting
It is called an advanced persistent threat, and if it sounds like something out of a Tom Clancy novel, that's because it pretty much is.
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.s. Outgunned in Hacker War
The Federal Bureau of Investigation's top cyber cop offered a grim appraisal of the nation's efforts to keep computer hackers from plundering corporate data networks...
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The '80s Called, and They Want Their Cellphones Back
Julie Barbour-Issa calls her eight-year-old cellphone "the dinosaur. It's a brick, and I could use it as a weapon in an emergency," says the 30-year-old Norwood...
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China's Not-So-Super Computers
The supercomputer in this southern boomtown is named Nebulae for the interstellar clouds of gas that give birth to stars.
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Google Gives Search a Refresh
Google Inc. is giving its tried-and-true Web-search formula a makeover as it tries to fix the shortcomings of today's technology and maintain its dominant market...
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Fbi's 'sabu' Hacker Was a Model Informant
As soon as he was caught, an influential computer hacker agreed to become a government informant and "literally worked around the clock" to help federal agents...
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When Gaming Is Good For You
A growing body of university research suggests that gaming improves creativity, decision-making and perception.
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Hackers Arrested as One Turns Witness
Federal prosecutors brought charges against a group of men allegedly behind "LulzSec"—a globe-spanning collective of computer hackers who wreaked havoc on companies...
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Google Web Grows in City
Google Inc. has dramatically expanded its presence in Manhattan in the past year, adding roughly 750 people to its outpost in 2011 in the most prominent example...
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How to Tell If You're Being Tracked on Safari
If you're on an iPhone or iPad using the most recent version of Apple's operating system, click on the "Settings" icon, and then click on "Safari."
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How Google Tracked Safari Users
Google and other advertising companies have been following iPhone and Apple users as they browse the Web, even though Apple's Safari Web browser is set to block...
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Apple Makes Push Into Ipad Textbooks
Apple Inc. on Thursday introduced tools designed to spur the development of textbooks and other classroom materials for devices like the iPad, in the company's...
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Galaxy Hosts 100 Billion Planets, in New Estimate
Astronomers said Wednesday that each of the 100 billion stars in the Milky Way probably has at least one companion planet, adding credence to the notion that...
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Spying on Your Buying
Monograms don't usually make me cry. But there in my room at the Peninsula Beverly Hills, embroidered in cursive on the king-size pillowcase, were two beautiful...
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Pick Up the Phone, Nfl: The Future Is Calling
On the sidelines during every game, New York Jets cornerback Donald Strickland performs a trick familiar to any toddler who has ever held a flip book.
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Citizen Scientists
Ordinary people are taking control of their health data, making their DNA public and running their own experiments. Their big question: Why should science be...
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Barcelona Center Makes Super Bet on Cellphone Chips
Supercomputers, once built from handcrafted circuitry, were transformed when companies started assembling them from inexpensive PC-style microprocessors. Researchers...
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