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

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Presentation transcript:

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

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

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

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

Measuring Risk-Trust : Decision via Risk

Measuring Risk-Trust : Balancing Trust - Risk

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:

Thank You