John Pastor

Virginia Tech
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In this Friday, Feb. 26, 2016 photo, a sign outside the Petersburgh Municipal Complex informs residents of water distribution times in Petersburgh, N.Y. PFOA, long used in the manufacuring of Teflon pans, Gore-Tex jackets, ski wax, and many other products has turned up in the water in factory towns around the country like Petersburgh, impacting drinking water.
Product Development
Activists Demand Action Against PFOA in Water
The novel approach to making systems forget data is called 'machine unlearning' by the two researchers who are pioneering the concept. Instead of making a model directly depend on each training data sample (left), they convert the learning algorithm into a summation form (right) - a process that is much easier and faster than retraining the system from scratch.
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'Machine Unlearning' Wipes Out Data
Researchers presented four popular voice assistants with alarming statements about rape, suicide, depression and other major health problems.
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Smartphone 'Voices' Not Always Helpful
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