通过专家咨询来构造贝叶斯网是常用的一种方法.本文主要通过咨询多个专家,经过加权平均来确定贝叶斯网络参数,降低了个人因素的影响;而在计算各专家所占权重时引入主成分分析法,在很大程度上消除了信息的重叠性,提高了计算结果的客观性和精确性.
The method of inquiring experts is often used to build Bayesian networks.In this paper,many experts′ knowledge are used to calculate the parameter in Bayesian networks,which declines the influence of subjective factors.In addition,principal component analysis is used to get the weight of each expert,which also improves the accuracy of the result.