针对多个决策者偏好集结的问题,对优势关系粗糙集进行了扩展,提出了多决策者最小偏好组合的概念。在给定一致性标准的情况下,通过求最小偏好组合的下近似,得到群体的偏好。进而,通过实例验证了方法的有效性。
To deal with decision of multiple decision makers, this paper extends dominance - based rough set to introduce specific concepts - minimal profiles. Group's preferences are attained by calculating lower approximates of minimal profiles with given consistent condition. The validity of this approach is shown by an example.