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Liability of internet 'intermediaries' in developing countries1

If someone posts illegal content on your website, are you liable? A new project addresses that question by examining the potential liability faced by website owners and other online service providers in five countries - Brazil, Russia, India, China and Thailand. The project provides new insight on the murky area of internet intermediary liability in developing countries.

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Bitcoin: Energy-efficient security mechanisms for digital currency

A new cryptographic puzzle has been developed that might one day be used as a security mechanism for digital currency such as bitcoin. It consumes significantly less energy than the method used to date, say researchers.

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Video privacy software lets you select what others can see1

Camera-equipped smartphones, laptops and other devices make it possible to share ideas and images with anyone, anywhere, often in real-time. But in our cameras-everywhere culture, the risks of accidentally leaking sensitive information are growing. Computer scientists have developed software that helps prevent inadvertent disclosure of trade secrets and other restricted information within a camera's field of view by letting users specify what others can see.

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Visual cloud computing methods could help first responders in disaster scenarios

Visual data created by numerous security cameras, personal mobile devices and aerial video provide useful data for first responders and law enforcement. That data can be critical in terms of knowing where to send emergency personnel and resources, tracking suspects in man-made disasters, or detecting hazardous materials. Recently, a group of computer science researchers developed a visual cloud computing architecture that streamlines the process.

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How well do facial recognition algorithms cope with a million strangers?

Computer scientists and engineers have launched the 'MegaFace Challenge,' the world's first competition aimed at evaluating and improving the performance of face recognition algorithms at the million person scale.

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Computer sketches set to make online shopping much easier1

A computer program that recognizes sketches could help consumers shop more efficiently. Fine-grained sketch-based image retrieval (SBIR) overcomes problems with using words to describe visual objects in words, especially when dealing with precise details, and with using photos, which can restrict the search far too narrowly.

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