micro-blog: sharing and querying content through mobile phones and social participation

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Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation Zhonglu Wang 00850083

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Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation. Zhonglu Wang 00850083. Overview Micro-blog Applications Block diagram of the Micro-Blog software architecture Design Considerations Battery Life and Location Accuracy Limitations and ongoing work. - PowerPoint PPT Presentation

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Page 1: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

Micro-Blog: Sharing and Querying Content ThroughMobile Phones and Social Participation

Zhonglu Wang00850083

Page 2: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

OverviewMicro-blog ApplicationsBlock diagram of the Micro-Blog

software architectureDesign ConsiderationsBattery Life and Location

AccuracyLimitations and ongoing work

Page 3: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

Overview

A high level view of the virtual information telescope. User generated/sensed content are posted on a location-based map. Internet users browse and query this content. Queries are resolved through participatory or automatic sensing.

Page 4: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

Micro-Blog Applications

Page 5: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

Block diagram of the Micro-Blog software architecture

The Micro-Blog phone client, implemented on Nokia N95, is approximately 6,000 lines of code using the Carbide C++ compiler supported by the Symbian OS platform2.

The server is approximately 7,500 lines of code across C++, PHP, Ajax,and MySQL.

Page 6: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

Design ConsiderationsEnergy-Aware LocalizationEnergy-Aware ApplicationsIncentivesLocation PrivacySpamContent Inaccuracy

Page 7: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

Battery Life and Location Accuracy

Page 8: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

WIFI+GPS

Page 9: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

GSM+WIFI

Page 10: Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation

Limitations and Ongoing workLocation-Privacy in General PublicExploiting Accelerometers for

LocalizationIntegration with a Social Network

ApplicationIdentifying False ContentHow Conclusive is User Study?