CenceMe - Sensing M eets M obile Social Networks: The...

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Click to edit Master subtitle style 8/25/11 Sensing Meets Mobile Social Networks: The Design, Implementation and Evaluation of the CenceMe Application Emiliano Miluzzo†, Nicholas D. Lane†, Kristóf Fodor†, Ronald Peterson†, Hong Eric Minner
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8/25/11 Outline Introduction Design Considerations Implementation Classifiers System Performance User Study Conclusion
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8/25/11 Introduction Presents an implementation of a people- centric sensing application. Infers people’s presence based on mobile phone sensors. Integrated into mainstream Social Networks. Split Architecture optimized for performance and battery life of mobile devices. (Nokia N95 used for initial
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8/25/11 Design Considerations Mobile Phone Limitations l Problems arise when user applications make request’s for resources. l OS can deny requests for memory, CPU cycles, and other resources to place phone calls and other higher priority tasks. l User applications are subject to interruption from the OS at any time. Calls for very careful development of exception handlers and recovery.
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Design Considerations Architectural Design Issues. l Finding the right separation of what processing can be performed on the phone and what makes sense to perform offline on the backend servers. l Simple classifiers make sense to perform in the phone reducing the amount of sensor data that must be pushed to the backend. l
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CenceMe - Sensing M eets M obile Social Networks: The...

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