J4 ›› 2009, Vol. 44 ›› Issue (12): 52-55.

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General heredity filter and its property analysis

WANG Ya   

  1. Taizhou Institute of Science and Technology, Nanjing University of Science and Technology, Taizhou 225300, Jangsu, China
  • Received:2009-06-04 Online:2009-12-16 Published:2010-02-05

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Abstract:

heredity, this paper presents conceptions of heredity filter, noneffective heredity filter, subheredity filter and heredity knowledge dominant degree. Properties of heredity filter are analyzed in this paper, and the theorem of average dominant degree’s expansion of heredity knowledge is proved. Relationships between heredity velocity and the structure of generalized heredity filter are further examined. For the shrinking attribute set of dynamic rough sets, this paper proposes a theoretical basis.

Key words: rough sets, knowledge granularity, heredity filter, heredity velocity

CLC Number: 

  • O23
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