决策演化集研究

Abstract

Abstract: Evolution model of granular decision is an extension over time series sets based on classical rough set.Its purpose is to investigate the law of decisions on time series.Evolution model of granular changes the focus from static decision information system to dynamic time series for studying the regulations of evolution in decision information system which change with the time.It is a new research method for decision information system.Evolution model of granular decision has unique advantages in real application,but does not have clear description on the classification of attributes.This paper gives a concept for decision evolution sets based on evolution model of granular decision,and investigates its effects in application.

Key words: rough sets, granular decision, time series, decision evolution

CLC Number:

TP18

HU Yu-wen, XU Jiu-cheng, SUN Lin. Decision Evolution Sets[J].Journal of Guangxi Normal University(Natural Science Edition), 2013, 31(3): 23-29.

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