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Problem Addressed

Trends in population movement/mobility are important aspects of urban life that can motivate new predictive models of population activity at the individual or community level. However, mining large amounts of GPS data into useful, human-readable information is difficult due to the relative lack of prior work and the UI of existing GPS applications that target map-navigation over text search. The Inventors take on this challenge with “iDiary,” a novel patent-pending system that processes data collected from a sensor network of mobile phones, extracts the semantic meaning of a user/community’s main activities and trends, and provides a text-based UI that allows easy search and management of this information.