Micro-Blog: Sharing and Querying Content Through Mobile Phones and Social Participation Zhonglu Wang
Overview Micro-blog Applications Block diagram of the Micro-Blog software architecture Design Considerations Battery Life and Location Accuracy Limitations and ongoing work
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.
Micro-Blog Applications
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.
Design Considerations Energy-Aware Localization Energy-Aware Applications Incentives Location Privacy Spam Content Inaccuracy
Battery Life and Location Accuracy
WIFI+GPS
GSM+WIFI
Limitations and Ongoing work Location-Privacy in General Public Exploiting Accelerometers for Localization Integration with a Social Network Application Identifying False Content How Conclusive is User Study?