Computer Science ›› 2015, Vol. 42 ›› Issue (4): 160-165.doi: 10.11896/j.issn.1002-137X.2015.04.032

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Intelligent Discovery of Dynamic Knowledges and Logic Dynamic Relation between their Attributes

XU Feng-sheng, YU Xiu-qing and SHI Kai-quan   

  • Online:2018-11-14 Published:2018-11-14

Abstract: One direction singular rough sets and dual of one direction singular rough sets are two dynamic structures of S-rough sets.Under certain conditions,one direction singular rough sets and dual of one direction singular rough sets can be reverted to Z.Pawlak rough sets,and they are also thought as one fundamental form of S- rough sets.Using one direction singular rough sets and dual of one direction singular rough sets,attribute conjunction normal form of dynamic knowledge and its shrinking-expansion characteristics were provided.Furthermore,there are the knowledge reasoning structure and reasoning modal.By the above knowledge intersection and fusion,dynamic knowledge generation with characteristics of attribute conjunction normal form shrinking-expansion and generation theorem.And the logic relation between intelligent discovery and attributes of dynamic knowledge were obtained when they satisfy knowledge reasoning condition.Finally intelligent filter,filter criterion,filter theorem and applications were presented.

Key words: Singular rough sets,Attribute conjunction,Knowledge reasoning,Knowledge intelligent discovery,Intelligent filter,Application

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