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Optimization Analysis on Dynamic Reduction Algorithm

Author

Listed:
  • Chen Yizhou

    (College of Information Science and Engineering, Central South University, Changsha400083, China)

  • Wang Jiayang

    (College of Information Science and Engineering, Central South University, Changsha400083, China)

Abstract

On the basis of rough set theory, the strengths of dynamic reduction are elaborated compared with traditional non-dynamic methods. A systematic concept of dynamic reduction from sampling process to the generation of the reduct set is presented. A new method of sampling is created to avoid the defects of being too subjective. And in order to deal with the over-sized time consuming problem in traditional dynamic reduction process, a quick algorithm is proposed within the constraint conditions. We have also proved that dynamic core possesses the essential characteristics of a reduction core on the basis of the formalized definition of the multi-layered dynamic core.

Suggested Citation

  • Chen Yizhou & Wang Jiayang, 2018. "Optimization Analysis on Dynamic Reduction Algorithm," Journal of Systems Science and Information, De Gruyter, vol. 6(5), pages 447-458, October.
    • Handle: RePEc:bpj:jossai:v:6:y:2018:i:5:p:447-458:n:5
    DOI: 10.21078/JSSI-2018-447-12
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