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针对缺乏统一的、定量化的信誉模型分析评价方法的问题,提出一种基于序关系的信誉模型量化评价方法,该方法将信誉模型的分析评价问题转换为序关系的比较问题.在此基础上,从信誉模型对用户类型的识别能力以及抵制恶意反馈能力两方面,提出了准确性与鲁棒性两种信誉模型评价指标,并给出了两类序关系比较的测度:匹配度与命中率.通过将该方法对一些信誉模型的比较实验表明,基于序关系的评价方法能够从不同角度对信誉模型进行综合、定量的评价,为信誉模型比较与评价提供了一种更为全面、有效的手段.
Aiming at the lack of a unified and quantitative credit model analysis and evaluation method, this paper proposes a method of quantitative evaluation of credit model based on ordinal relationship, which transforms the analysis and evaluation of credit model into the comparison of ordinal relations , Two evaluation models of credibility and robustness are put forward from two aspects: the recognition of user model by reputation model and the ability of resisting malicious feedback, and the comparison between two types of preferential relations is given: matching degree and hit rate By comparing this method with some credit models, it is shown that the evaluation method based on ordinal relations can make a comprehensive and quantitative evaluation of credit models from different perspectives, which provides a more comprehensive and effective method for the comparison and evaluation of credit models means.