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Tracking Nightlife Activity : Mapping the Cool Quest www.columbia.edu — Jebaraâs creation, Citysense, uses advanced machine learning techniques to number crunch vast amounts of data emanating from thousands of cell-phones, GPS-equipped cabs and other data devices to paint live pictures of where people are gathering. Fed to websites such as Google or Yelp, the data reveals whatâs happening at any location.More... (Software) |