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一种新的粒表示方法及其距离计算


  摘 要:传统粒的表示上存在其局限性导致粒的适用性不强,难以满足用户对粒描述的兴趣点。在传统粒计算理论的基础上,对粒的表示方法加以改进,从而使粒更具适用性,进而定义了新表示方法下粒的几个运算,研究了新表示方法下粒的距离及相似度。这种理论方法注重从粒的语法上去研究粒的运算、距离及相似度,更清晰准确地揭示了粒的本质。

  关键词:粒计算; 表示方法; 距离; 相似度; 粒熵

  中图分类号:TP18文献标志码:A

  文章编号:1001-3695(2010)06-2034-03

  doi:10.3969/j.issn.1001-3695.2010.06.010

  New description method of granular and its distance computing

   XU Jiu-cheng, CHENG Wan-li, SUN Lin

  (Key Laboratory for Intelligent Information Processing, College of Computer & Information Technology, Henan Normal University, Xinxiang Henan 453007, China)

  Abstract:The represention of traditional granule exists limitations which leads to low application, so it is difficult to meet users’points of interest about granule discription. Based on the theory of traditional granular computing, this paper improved the representation method of granular, making granular more applicable. Besides, defined several operations between granulars by the new method. Finally, studied granular’s distance and similarity. This theory emphasizes on researching granular’s operations, distance and similarity in granular’s grammar, which reveals the essence of granular more clearly and accurately and makes grannular computing better used in solving the problems about uncertainty relation.

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