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Yoalli Hidalgo Yhidalgo@ asu.edu Daniel  Villanueva Daniel.Villanueva@asu.edu Mobile Computing - Fall 2010 Arizona Stat

ConTag. Yoalli Hidalgo Yhidalgo@ asu.edu Daniel  Villanueva Daniel.Villanueva@asu.edu Mobile Computing - Fall 2010 Arizona State University Main. What is. ConTag ?. Phonebook application for mobile phones Tag contacts Search for contacts based on tags. State of. The Art.

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Yoalli Hidalgo Yhidalgo@ asu.edu Daniel  Villanueva Daniel.Villanueva@asu.edu Mobile Computing - Fall 2010 Arizona Stat

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  1. ConTag YoalliHidalgo Yhidalgo@asu.edu Daniel  Villanueva Daniel.Villanueva@asu.edu Mobile Computing - Fall 2010 Arizona State University Main
  2. What is ConTag? Phonebook application for mobile phones Tag contacts Search for contacts based on tags
  3. State of The Art Contacts 3.0 Published in CHI 2010 Team from Motorola Applied Research Lab HCI, Anthropology, CompSci, CogPsy and EE Experts F. R. Bentley, J. Kames, R. Ahmed, R. S. Zivin, and L. Schwendimann, “Contacts 3.0: bringing together research and design teams to reinvent the phonebook,” in Proceedings of the 28th of the international conference extended abstracts on Human factors in computing systems, pp. 4677-4690, 2010.
  4. Promise of Contacts 3.0 Provide “single destination” for communication Aggregate Social Media into one screen Integration with MySpace, Facebook, Flickr, etc Provide “Ambient Presence” – feel like you are there by looking at text / pictures Group Forming / Mapping
  5. Why Contag? Difficult to remember contact names Contact name / relationship may change with time
  6. Feature Single User Personalized Context Who, What, When, Where Tags are unique to the user Meaningful Memorable
  7. Feature Tagging Support View tags applied to a contact Suggest previously used tags when tagging other contacts
  8. ConTag Challenges
  9. System Challenges Tags must be memorable and meaningful User supplied tags - taxonomy Individual context (no other users will use this phonebook) Must Motivate users to Tag Contacts Play a game (FaceOff)
  10. Technical Personal Challenges New Platform for Team Android 1.6 Sometimes examples failed to work Single Dev Phone Borrowed another phone to test networking
  11. Technical Mobile Challenges Limited Resources SQL Queries needed to be optimized Some Functionality was not possible / too slow Optimized Graphics Code
  12. Demo ConTag
  13. ConTag Contribution Have Awesome Idea Re-Think how the contact book is used Reduce Cognitive Load Simplify User Experience Develop Proof of Concept Application On Mobile Device
  14. ConTagMobile Considerations Save Battery Reduced time to find contacts Information management Self Contained – no need for a centralized server Tradeoffs Less Processing Time vs. More Memory Usage
  15. ConTagMobile Considerations Security Physical access to unlocked phone required to provide and view tags Users can provide tags directly, without requiring approval
  16. FaceOff Contribution Concept designed, but not implemented Play game to add tags to contacts Compare hashed numbers If match on hashed number, compare hashed tags Earn points for matching tags on number Users compete to have most points (more tags)
  17. FaceOff Mobile Considerations Hashes are generated when tags and contacts are added Increase memory usage, but decrease runtime computation Save battery / computation time Hashing as means of security
  18. Thank You Questions?
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