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TRIC: An Infrastructure for Trust and Reputation Across Virtual Communities

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4 Author(s)
Nurit Gal-Oz ; Deutsche Telekom Labs., Ben-Gurion Univ., Beer-Sheva, Israel ; Tal Grinshpoun ; Ehud Gudes ; Ingo Friese

Virtual communities are gradually becoming an inherent part of modern life. Trust and reputation systems, which are considered key enablers of virtual communities, These systems support the accumulation of member reputation information and leverage this information to increase the likelihood of successful member interactions and to better protect the community from fraudulent members. Reputation information is an important part of a user's identity, which makes this data both sensitive and desired for communities to share. Reputation sharing is also motivated by the individual user that can leverage her state in new communities using the reputation she gained in others. In previous work we have presented the Cross-Community Reputation (CCR) model for sharing reputation knowledge among communities. The CCR model identifies the fundamental terms required for a meaningful sharing of reputation information among communities and proposes means to make the information sharing feasible. This paper presents the TRIC infrastructure for enabling CCR systems. The major concerns of TRIC are to protect the user's rights for privacy and control over her data and to draw some architecture guidelines that can be implemented in more than one way. We explain the major components required for this type of infrastructure and discuss known design alternatives and their tradeoffs in the case of TRIC.

Published in:

Internet and Web Applications and Services (ICIW), 2010 Fifth International Conference on

Date of Conference:

9-15 May 2010