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Trust Models for Community-aware Identity Management

Trust Models for Community-aware Identity Management. Choi Hee Chul , Sebastian Ryszard Kruk, Slawomir Grzonkowski, Katarzyna Stankiewicz, Brain Davis, John G. Breslin. Identity. on the Web. Personal Identity. on the Web. Personal Identity. Account Blog Email Community sites

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Trust Models for Community-aware Identity Management

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  1. Trust Models for Community-aware Identity Management Choi Hee Chul, Sebastian Ryszard Kruk, Slawomir Grzonkowski, Katarzyna Stankiewicz, Brain Davis, John G. Breslin IRW2006 Edinburgh, Scotland

  2. Identity on the Web IRW2006 Edinburgh, Scotland

  3. Personal Identity on the Web IRW2006 Edinburgh, Scotland

  4. Personal Identity • Account • Blog • Email • Community sites • Flickr • Orkut IRW2006 Edinburgh, Scotland

  5. One URI per one thing IRW2006 Edinburgh, Scotland

  6. One identity per one person IRW2006 Edinburgh, Scotland

  7. Reason of multiple identities • Writers want to use a pen name • People like to grumble on the web • Makes feel free to write People want to use IRW2006 Edinburgh, Scotland

  8. Reason of multiple identities • People want to know one subject not whole people People don’t need unique identity IRW2006 Edinburgh, Scotland

  9. What is the problem? IRW2006 Edinburgh, Scotland

  10. Identity crisis IRW2006 Edinburgh, Scotland *Sorry, I lost the sources of images

  11. Objective To solve personal identity crisis IRW2006 Edinburgh, Scotland

  12. What is the important thingto analyze identity? IRW2006 Edinburgh, Scotland

  13. Link From: http://www.xarxanet.org/xarxanet/novetatsDetall.xarxanet? xnt_locale=ca&xnt_portal=1&nov_novetatId=26947 Page Rank IRW2006 Edinburgh, Scotland

  14. For the personal identity IRW2006 Edinburgh, Scotland

  15. Links In conflict Father Master IRW2006 Edinburgh, Scotland

  16. Trust • Meta-link to make links • Can be propagated Trust Trust Trust IRW2006 Edinburgh, Scotland

  17. Trust • Meta-link to make links • Can be propagated Love Love Love Trust IRW2006 Edinburgh, Scotland

  18. Method Give a better model of trust among the people IRW2006 Edinburgh, Scotland

  19. Trust model of FOAF Trust Level 1 Trust Level 2 IRW2006 Edinburgh, Scotland

  20. Rated relationship model Trust Value: 0.9 * 0.4 = 0.36 Trust Level: 2 IRW2006 Edinburgh, Scotland

  21. FilmTrust (related research) FilmTrust: http://trust.mindswap.org/FilmTrust IRW2006 Edinburgh, Scotland

  22. Complex situation IRW2006 Edinburgh, Scotland

  23. Layered model IRW2006 Edinburgh, Scotland

  24. Person don’t need to make multiple identities IRW2006 Edinburgh, Scotland

  25. Layered model IRW2006 Edinburgh, Scotland

  26. Person need to keep one identity IRW2006 Edinburgh, Scotland

  27. Benefits • Solve identity crisis by unique identity • Improve propagation of information • Massage filtering and ordering IRW2006 Edinburgh, Scotland

  28. FOAFRealm • Single-sign-on system • Based on FOAF and RDF storage • P2P/HyperCuP infrastructure • Semantic Social Collaborative Filtering IRW2006 Edinburgh, Scotland

  29. Bended model IRW2006 Edinburgh, Scotland

  30. Multiple dimension IRW2006 Edinburgh, Scotland

  31. Future work • Fast calculation algorithm of delegated trust without privacy problem • How to figure out the layers? • Find meaning of conjunction among the several layers IRW2006 Edinburgh, Scotland

  32. Thank you heechul.choi@deri.org IRW2006 Edinburgh, Scotland

  33. Backup slides IRW2006 Edinburgh, Scotland

  34. Capturing trust on the web • Machine-driven approaches • PageRank or eBay reputation system • Calculated as an analogy • User-driven approaches • PGP, FOAFRealm • Needs efforts of user • Hybrid approaches IRW2006 Edinburgh, Scotland

  35. My identities on web Privacy data and life log For writing For friends For research IRW2006 Edinburgh, Scotland

  36. Free to make a new identity IRW2006 Edinburgh, Scotland

  37. Cannot be blocked IRW2006 Edinburgh, Scotland

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