IPGroupRep: A Novel Reputation Based System for Anti-Spam

While reputation systems have already been applied into the field of anti-spam, they still have some shortcomings,in terms of reputation database scale and vulnerable to be evaded by the adverse users. To solve these problems,we present a novel reputation system named IPGroupRep.The performance of this system is evaluated on some real world dataset, and compared to the existing reputation systems. The experimental results show that IPGroupRep could effectively separate spam from legitimate messages .