Abstract
Trust and reputation are important to Web services. Short of trust and reputation evaluation, service providers and customers may not benefit from Web services. However, evaluation often puts emphasis on QoS. Actually, the factors of influencing service trust and reputation should include QoS and degree of customer satisfaction. Based on the consideration, the paper put forward trust and reputation evaluation system, which collected user feedback and computed meeting ratio of QoS. To avoid QoS cheating, QoS should be mended by results of QoS statistics. The simulation results indicate that it can make a reasonable evaluation of trust and reputation even on the conditions of fake services disturbance and QoS distortion.
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