Computer Science ›› 2012, Vol. 39 ›› Issue (12): 237-240.
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Abstract: Evolution model of granular decision is a method based on time series data of rough set in dynamic prediction which has good effects on dealing with dynamic data. 13ut after the forecast, the next timing t十:gets an actual decision 大十which is different from the decision厂十that we calculate. I}he solution of how to deal with this conflict mode is not illustrated. Therefore, this paper introduced game theory into the evolution model of granular decision to solve the conflict The actual decision人一1and the calculated decision f:十compose game matrix, and calculati眼the decision bent fit can judge the evolution of granular decision is stable or not at the time t; i 1.
Key words: Rough set, Granular decision, Decision stability, Evolutionary game theory
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