TITLE:
The Feature Core of Dynamic Reduct
AUTHORS:
Jiayang Wang
KEYWORDS:
Decision System; Reduction; Dynamic Core
JOURNAL NAME:
Applied Mathematics,
Vol.3 No.5,
May
16,
2012
ABSTRACT: To the reduct problems of decision system, the paper proposes the notion of dynamic core according to the dynamic reduct model. It describes various formal definitions of dynamic core, and discusses some properties about dynamic core. All of these show that dynamic core possesses the essential characters of the feature core.