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“Do not trust people - they are capable of greatness” Stanislaw Lem

Trust Models Steve Marsh Carleton University, November 2nd 2009 steve.marsh@crc.gc.ca. “Do not trust people - they are capable of greatness” Stanislaw Lem. © stephen marsh, 2009. Outline. Why. What. How. Why…. Trust as Syllogism. Yes, but why in agents?.

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“Do not trust people - they are capable of greatness” Stanislaw Lem

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  1. Trust Models Steve Marsh Carleton University, November 2nd 2009 steve.marsh@crc.gc.ca “Do not trust people - they are capable of greatness” Stanislaw Lem © stephen marsh, 2009

  2. Outline Why What How

  3. Why…

  4. Trust as Syllogism

  5. Yes, but why in agents?

  6. Societies and decisions

  7. What… … is it?

  8. No wait!What… … isn’t it?

  9. What… … is it?

  10. Trust is complexity reduction

  11. Trust is history

  12. Trust is reasoning

  13. Trust is observability

  14. Trust is not control

  15. Trust is risk in action

  16. Trust is seen in action Like light Or the air

  17. Don’t just talk about it, do it…And see it…

  18. Caveat…

  19. What… On Trust Models Types Functions Representations

  20. Models of Trust

  21. Cognitive

  22. Game-Theoretical

  23. Hybrid (possibly)

  24. Modes(so, what’s it for?How’s it work?)

  25. Establishment

  26. EstablishmentReasoning

  27. EstablishmentReasoningAction

  28. Representations

  29. Fuzzy TermsLogicReal NumbersIntegersVectors

  30. How…Two ‘real life’ models

  31. Marsh; 1994, 2009Castelfranchi (et al); (various), 2009(there are lots more…)

  32. Types of Trust The Marsh Model

  33. Types of Trust 1:Basic The Marsh Model

  34. Types of Trust 2:General The Marsh Model

  35. Types of Trust 3:Situational The Marsh Model

  36. How much do I have? The Marsh Model

  37. How much do I need? The Marsh Model

  38. Do I ‘Trust’ Thee? The Marsh Model

  39. Distrust, Mistrust, Untrust, AmbivalenceOh My! The Marsh Model

  40. Regret The Marsh Model

  41. Regret Adapts Trust (with Understanding) The Marsh Model

  42. Anticipatory Regret The Marsh Model

  43. Forgiveness Repairs Trust The Marsh Model

  44. Forgiveness Function (There are limits to Forgiveness) The Marsh Model

  45. Continuum Untrust C_T Limit of Forgivability Distrust Trust -1 0 1 The Marsh Model

  46. A Logical Model The Castelfranchi et al. Model

  47. Core Trust and(Generalized) core trust The Castelfranchi et al. Model

  48. Distrust and(Generalized) distrust The Castelfranchi et al. Model

  49. Mistrust and(Generalized) mistrust The Castelfranchi et al. Model

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