S. D. Kamvar, M. T. Schlosser, and H. Garcia-Molina, “The EigenTrust algorithm for reputation management in P2P networks,” in Proceedings of the 12th International World Wide Web Conference, pp. 640-651, 2003.
 L. Xiong and L. Liu, “PeerTrust: Supporting reputa-tion-based trust for peer-to-peer electronic communities,” in Proceedings of IEEE Transactions on Knowledge and Data Engineering, Vol. 16, No. 7, pp. 843-857, 2004.
 E. J. Chang, F. K. Hussain, and T. S. Dillon, “Fuzzy na-ture of trust and dynamic trust modeling in service ori-ented environments,” in Proceedings of the 2nd ACM Workshop on Secure Web Services (SWS’05), Fairfax, Virginia, USA, 2005.
 P. Resnick and R. Zeckhauser, “Trust among strangers in Internet transactions: Empirical analysis of eBay’s Repu-tation system,” in Proceedings of NBER Workshop on Empirical Studies of Electronic Commerce, 2000.
 F. Cornelli, E. Damiani, S. D. C. di Vimercati, S. Paraboschi, and P. Samarati, “Choosing reputable ser-vents in a P2P network,” in Proceedings of the 11th In-ternational World Wide Web Conference, pp. 376-386, 2002.
 E. Damiani, S. De Capitani di Vimercati, S. Paraboschi, and P. Samarati, “Managing and sharing servents’ reputa-tions in P2P systems,” in proceedings of IEEE Transac-tions on Knowledge and Data Engineering, pp. 840-854, 2003.
 E. Damiani, S. D. C. di Vimercati, S. Paraboschi, P. Samarati, and F. Violante, “A reputation-based approach for choosing reliable resources in Peer-to-Peer networks,” in Proceedings of the 9th ACM Conference on Computer and Communications Security, pp. 207-216, 2002.
 Z. Q. Liang and W. S. Shi, “PET: A personalized trust model with reputation and risk evaluation for P2P re-source sharing,” in Proceedings of the 38th Hawaii Inter-national Conference on System Sciences, 2005.
 R. He, J. W. Niu, and K. Hu, “A novel approach to evaluate trustworthiness and uncertainty of trust relation-ships in Peer-to-Peer computing,” in proceedings of the 5th International Conference on Computer and Informa-tion Technology (CIT’05), 2005.