【摘要】 给出了决策形式背景下的属性约简与规则提取方法.为此,针对属性约简中起不同作用的属性,区分了必要属性与不必要属性,给出了各类属性的特征和判别方法;在此基础上得到了决策形式背景下的规则提取与属性约简方法,并通过实例表明了该约简方法的可行性与有效性.更多还原

【Abstract】 This paper puts forward approaches to attribute reduction and rules extraction in decision formal context.For that,different kinds of attributes which play different roles during attribute reduction are distinguished.Characters and judgement theorems of necessary attributes and unnecessary attributes are given.And then approaches to attribute reduction and rules extraction in decision formal context are obtained.Finally,a real example is used to demonstrate both its feasibility and effectiveness.更多还原