Communications of the ACM
More Details, but Not Enough
Disputed Google research is receiving further scrutiny, despite the company's inaction in open-sourcing its data or source code… 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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The Surprising sefulness of Sloppy Arithmetic
A computer chip that performs imprecise calculations could process some types of data thousands of times more efficiently than existing chips.
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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...
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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.
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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.
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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...
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When Good Enough is Better
MIT researchers have developed a system that automatically finds parts of computer code where accuracy can be traded for significant increases in speed.
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Seeing the Forest For the Trees
New object recognition systems that deconstruct images into ever smaller elements, using methods developed at MIT and UCLA, should be much more efficient than previous...
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Mastering Multicore
MIT researchers have developed software that makes computer simulations of physical systems run more efficiently on multicore chips.
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The Power of 'random'
Communications networks' efficiency could be upgraded with a new network coding approach co-developed by researchers at MIT in which a router mathematically combines...
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Putting the Squeeze on Data
Massachusetts Institute of Technology professor Piotr Indyk and graduate student Radu Berinde last year introduced two versions of a linear data-compression algorithm...
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Parallel Course
In 1995, a good computer chip had a clock speed of about 100 megahertz. Seven years later, in 2002, a good computer chip had a clock speed of about three gigahertz...
From ACM TechNews