Communications of the ACM
TrustBAC: integrating trust relationships into the RBAC model for access control in open systems
Proceedings of the eleventh ACM symposium on Access control models and technologies
Parameter learning of personalized trust models in broker-based distributed trust management
Information Systems Frontiers
Sharing reputation across virtual communities
Journal of Theoretical and Applied Electronic Commerce Research
Optimal trust mining and computing on keyed mapreduce
ESSoS'12 Proceedings of the 4th international conference on Engineering Secure Software and Systems
AMORES: an architecture for mobiquitous resilient systems
Proceedings of the 1st European Workshop on AppRoaches to MObiquiTous Resilience
Trust and reputation in and across virtual communities
Proceedings of the 16th International Conference on Extending Database Technology
Towards the integration of reputation management in OpenID
Computer Standards & Interfaces
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Trust and Reputation systems in distributed environments attain widespread interest as online communities are becoming an inherent part of the daily routine of Internet users. Trust-based models enable safer operation within communities to which information exchange and peer to peer interaction are centric. Several models for trust based reputation have been suggested recently, among them the Knots model [5]. In these models, the subjective reputation of a member is computed using information provided by a set of members trusted by the latter. The present paper discusses the computation of reputation in such models, while preserving members' private information. Three different schemes for the private computation of reputation are presented, and the advantages and disadvantages in terms of privacy and communication overhead are analyzed.