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Voice spam is a major serious issue that would lead the people's lives a few inconveniences in recent years. In this paper, a model based on user behavior pattern is proposed to design an anti spam calls technique. The basic idea for the technique is that spammers with revenue motivation behave significantly distinct to legitimate callers. The(More)
Spam calls irritate people a lot. Many methods have been proposed to filter spam calls under different backgrounds. Regarding the sociology and psychology as a guide, we tried to propose a reputation model that can work in most backgrounds. In this paper, we proposed a reputation model based on trusted group and interaction scene, and then simulate the(More)
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