计算机科学 ›› 2020, Vol. 47 ›› Issue (3): 98-102.doi: 10.11896/jsjkx.190500098
郭庆春,马建敏
GUO Qing-chun,MA Jian-min
摘要： 对偶区间集概念格是将区间集引入到对偶概念格产生的,它将对偶概念的外延与内涵从经典集合推广到区间集,使之成为一种描述不确定性概念的数学方法。而属性约简是数据挖掘的核心内容之一,是一种研究概念格本质特征的方法,它通过删除冗余属性使数据表中概念的获取与表示变得更简洁。文中主要研究对偶区间集概念格上区间集协调集的判定方法。首先基于对偶区间集概念格的同构,引入了区间集协调集,给出了对偶区间集概念格上区间集协调集的一系列判定定理,进而讨论了利用区间集协调集获取区间集属性约简的方法。
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