Semester Offering: InterSem

The course discusses computer security models, multiagent systems and the role of trust and reputation in secure and reliable multiagent systems. The design of trusted and secure trading mechanisms is studied as application. Insights on how to develop an optimal trading mechanisms are also addressed.






I.            Security models and trust: Security models like Bell-LaPadula or Biba models, certificates, trust negotiation and the web of trust. Trust plays a key role in security. Certificates are one of the mechanisms for conveying trust.

II.         Trust and reputation in multi-agent systems: Architecture, Interaction protocols, distributed decision making.  

III.     Trust and reputation and how trust and reputation is facilitated in online trading: The case of Ebay and other organizations. Applications scenarios like: If you are to use a shopping assistant for online shopping for example, then how such software could make recommendation to you on what you should buy and why you should trust such advices.  

IV.     Trust and reputation in trading mechanism design: Contract nets, Auctions, Negotiation.


Lecture Notes.


         D. Gollmann (1999): Computer Security , John Wiley and Son.  
         G. Weiss (1999): Multiagent Systems , MIT Press.   R.B. Myerson Game Theory: Analysis of Conflict , Harvard University Press.  
         Literature on Trust, Trust negotiation, Negotiation in Multiagent systems.


The Final grade will be computed according to the following weight distribution:

   Mid-Term Exam 20%;
   Final Exam 50%;
   Assignments/Projects 30%.

Open book examinations are given both in the mid-term and finals.