J4 ›› 2011, Vol. 46 ›› Issue (12): 114-119.

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Two-direction S-probability rough sets and its application

LI Zhi-yi, LIU Ji-qin*   

  1. Department of Statistics and Mathematics, Shandong Finance Institute, Jinan 250014, Shandong, China
  • Received:2010-10-26 Online:2011-12-20 Published:2011-12-24

Abstract:

Considering two-direction dynamic property of the set X and statistical informational in knowledge base, two-direction S-probability rough sets is presented. Dynamic properties of two-direction Sprobability rough sets are discussed, and its application is proposed.

Key words:  two-direction S-rough sets; two-direction S-probability rough sets; accuracy; roughness

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