该模型通过企业的兴趣相似度来刻画企业在其偏好领域上的服务行为相似性,同时采用信任和信誉衰减机制实现对供应链上企业节点的信任评估,并进行了实验仿真和比较.-The model of interest to characterize the similarity of business enterprise service behavior on the similarity of their preferences in the field, while the use of trust and credibility attenuation mechanisms to achieve supply chain nodes on trust evaluation, and experimental simulation and comparison.