A method and a system for detecting a dishonest user in an online rating system

摘要

The present invention relates generally to a method and a system for protecting an online rating system against dishonest users and particularly to a method, a system and a computer-readable medium storing a computer program which allow to detect at least one dishonest rater participating in an online rating system. A distributed system 10 including a master (20) and slave devices (30, 40, 50) is provided which performs a mechanism to detect dishonest raters and halt rewards accordingly as well as to explicitly reward raters who participate in a reputation management system by submitting trustworthy ratings. That mechanism works with users having submitted different numbers of ratings with respect to a plurality of entities.