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Aug 12 2009

Cloud Computing Spurs New Encryption Solutions

University of Washington researchers’ announcement that they had created an encryption scheme called Vanish captured a lot of attention for its elegant simplicity, but two more arcane developments—presented at the Massachusetts Institute of Technology’s Crypto in the Clouds Workshop on the security challenges of cloud computing—promise more fundamental changes in applied cryptography.
Computing Applications
Aug 1 2009

In the Virtual Extension

Communications' Virtual Extension brings more quality articles to ACM members. These articles are now available in the ACM Digital Library.
Jul 21 2009

Practice Makes Perfect, Even For Brain-Controlled Prosthetics

Those who learn by repetition rely on "muscle memory," a sense that practice trains muscles to perform specific actions without thought. But does muscle memory exist if no actual muscles are involved? According to a paper published in the peer-reviewed journal PLoS Biology, the answer is a clear "yes." These findings strengthen hope for the future of brain-controlled prosthetics, or "neuroprosthetics", and may aid the development of robotic body extensions whose control is truly intuitive.
Architecture and Hardware
Jul 7 2009

How Computing Is Changing Journalism

Computing has influenced many fields in a big way, and journalism is one of them. There’s an ongoing trend away from print media and toward digital, and this is helping to create a new discipline known as computational journalism. Computational journalism combines data, algorithms, and knowledge to produce information, and may eventually perform some of the media's watchdog role.
Computing Applications
Jul 2 2009

Award-Winning Paper Reveals Key to Netflix Prize

When the organizers of the Netflix Prize contest announced late last week that one team had met the requirement for the $1 million Grand Prize, Yehuda Koren, a member of the seven-person multinational team, was in Paris to present a paper at KDD-09, the 15th ACM SIGKDD Conference on Knowledge Discovery and Data Mining. The ideas he laid out won the conference's Best Paper Award — and, not coincidentally, had much to do with reaching the contest's target of improving the accuracy of Netflix movie recommendations by 10 percent.
Computing Applications
Jun 1 2009

Micromedicine to the Rescue

Medical researchers have long dreamed of "magic bullets" that go directly where they are needed. Now micromedicine and nanotechnology are making a range of molecules formerly inaccessible as drugs available to be delivered at the right place and time to affect specific actions. 
Architecture and Hardware
Jun 1 2009

Content Control

Entertainment businesses say digital rights management prevents the theft of their products, but access control technologies have been a uniform failure when it comes to preventing piracy. Fortunately, change is on the way.
Computing Applications

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