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Enhancing Community Engagement through Virtual Graffiti: A Geolocation-Based Experience

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The mGraffiti project by Peter Pesti and John Gibby at the Georgia Institute of Technology aims to provide a unique virtual graffiti service that fosters community interaction over time and space. By enabling location-based sharing of experiences and opinions, this initiative will act as a 'blog of location' and a guestbook for users, adding an enjoyable layer to excursions and trips. The flexible framework supports multiple uses, such as coordinating aid workers and facilitating telephone company maintenance, thus demonstrating broad public impact and deeper social integration.

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Enhancing Community Engagement through Virtual Graffiti: A Geolocation-Based Experience

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Presentation Transcript

  1. mGraffiti Peter Pesti John Gibby Georgia Institute of Technology

  2. Problem definition • Provide virtual graffiti service to the world • Create a sense of community over the boundary of time • Supply location-based sharing of experiences and opinions • “blog of location” • guestbook • Provide an additional fun dimension to excursions and trips

  3. Impactfulness • Broad impact: • public use • Deeper impact: • Flexible framework supports reuse: • Coordinating aid workers • Telephone company maintenance • Geocaching

  4. User interface

  5. User interface

  6. User interface

  7. Technologies • Development tools • Visual Studio .NET 2003 Professional • Pocket PC 2003 SDK • Servers and operating systems • Windows Server 2003 • Windows Mobile 2003 • SQL Server 2000 SP3 • Other technologies • .NET Compact Framework 1.0 • .NET Framework 1.1 • C# • XML Web Services • ADO.NET • ASP.NET • GPS.NET

  8. Architectural overview SOAP SOAP

  9. Client architecture

  10. Server architecture

  11. UTM

  12. Imagery inside TS • Satellite imagery as ~10KB image tiles  designed forfixed browsers • Proprietary image identification

  13. Image tiles • TerraServer tiles are split in four • Identified by UTM coordinates • Cached in mGraffitiService • Cached on PDA

  14. Questions…

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