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Analysing the Relationship between Risk and Trust By Audun Jøsang and Stéphzne Lo Presti.

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Presentation on theme: "Analysing the Relationship between Risk and Trust By Audun Jøsang and Stéphzne Lo Presti."— Presentation transcript:

1 Analysing the Relationship between Risk and Trust By Audun Jøsang and Stéphzne Lo Presti

2 Roadmap Risk-Trust in Literature Measuring Risk-Trust Decision via Risk Balancing Trust and Risk Conclusion

3 Risk-Trust in Literature Concept of Trust Trust is the extent to which one party is willing to depend on somebody, or something, in a given situation with a feeling of relative security, even though negative consequences are possible. Concept of Risk Anticipated hazard, measurable Trust vs. Risk Both difficult to scale Both upon uncertainty and unpredictability Relationship between them (antecedent, alternative, outcome)? uncertainty risk subjectivity

4 Risk-Trust in Literature A risk-trust model by fuzzy logic [Manchala1998] (trans_history, cost) -> trust

5 Measuring Risk-Trust : Decision via Risk

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8 Measuring Risk-Trust : Balancing Trust - Risk

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11 Conclusion Summary To derive a computational model for risk-trust Reliability trust: probability of success of the transaction Decision trust: considering risk attitude, complete the notion of trust Shortcomings:

12 Thank You


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