Research on trust evaluation of supplier based on gray AHP in cloud computing
云计算环境下基于灰色AHP的供应商信任评估研究

Considering the deficiency of traditional trust model, this paper proposed a trust evaluation model of supplier based on gray AHP in cloud computing to improve the trust crisis between supply-chain enterprises by combining the AHP with gray evaluation method. Firstly, it defined grade of gray cluster and whitenization weight function of trust evaluation. And then, by computing the gray assessment weight of each supplier entity trust evidences in cloud computing, it built a hierarchy by using AHP and determined the weight of trust evidences. Finally, this paper worked out the gray comprehensive trust value and grade of gray cluster of the supplier entities. The examples prove that the assessment method can be effectively applied in eva-luating providers in cloud computing, and that the assessment result is objective and effective.