Facing with the current trust model contradiction of scale and computation, with the idea of human society establishment, a P2P trust model based on interest group is proposed.
针对当前信任模型的扩展规模和计算开销的矛盾，借鉴人类社会信任建立的思想，提出一种基于兴趣群组的P 2 P信任模型。
Through building a differential dynamic model which describes interaction among interest-group, this paper discuss the conditions of existence and stability of equilibrium of the model.
本文通过建立一个描述利益群体相互作用的微分动力模型，讨论了其均衡解的存在和稳定性条件。
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