【摘要】 粗集理论是一种处理不精确,不完全与不相容知识的新的数学工具.属性约简是粗集理论研究的核心问题之一.通过属性约简,简化信息表的属性维数.在许多情况下面临的信息系统是不完备的,本文研究不完备信息系统下决策表的属性约简问题.更多还原

【Abstract】 Rough set theory is a new mathematical tool to deal with imprecise,incomplete and inconsistent knowledge.Attribute reduction is one of important aspect on rough set theory.The attribute dimension of information table can be decreased with attribute reduction.Under many cases information system is incomplete.In this paper,attribute reduction of incomplete decision table is discussed based on consistent relation.更多还原