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变精度双向IS-粗集

Two-Direction Improper Singular Rough Sets of Variable Precision
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摘要 在S-粗集的基础上,提出IS-粗集(improper singular rough sets)的概念,给出双向IS-粗集(two direction improper singular rough sets)和变精度双向IS-粗集(variable precision two direction improper singular rough sets)的数学结构,并讨论了不同精度的上、下近似算子的性质。 This paper presented concepts of improper singular rough sets based on the theory of singular rough sets, and put forward the general mathematics structures of two direction improper singular rough sets and variable precision two direction improper singular rough sets. The nature of different precision upper, lower approximate operator was discussed .
作者 王秋亮
机构地区 商丘师范学院数学系
出处 《唐山师范学院学报》 2009年第5期35-38,共4页 Journal of Tangshan Normal University
关键词 S-粗集 IS-粗集 变精度双向IS-粗集 近似算子 迁移 singular rough sets irhproper singular rough sets variable precision two direction improper singular rough sets approximate operator transfer
分类号 O159 [理学—基础数学]
  • 相关文献

参考文献6

  • 1Z Pawlak. Rough Sets[J]. International Journal of International Sciences, 1982, (11): 341-356.
  • 2史开泉,崔玉泉.S-粗集和它的一般结构[J].山东大学学报（理学版）,2002,37(6):471-474. 被引量：174
  • 3Kaiquan Shi. S-rough sets and application in diagnosisrecognition for diseases[A]. In: IEEE Proceedings of the First International Conference on Machine Learning and Cybernetics[C], 2002.
  • 4Kaiquan Shi,Ting-cheng Chang. One direction S-rough sets [J].International Journal of Fuzzy Mathematics, 2003, 11(2): 525-543.
  • 5张贤勇,莫智文.变精度粗糙集[J].模式识别与人工智能,2004,17(2):151-155. 被引量：43
  • 6Ziarko W. Variable Precision Rough Set Model[J].Computer and System Sciences,1993, (46):39-59.

二级参考文献10

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  • 9Ziarko W. Variable Precision Rough Set Model. Computer and System Sciences, 1993, 46: 39- 59.
  • 10Zdzis?aw Pawlak. Rough sets[J] 1982,International Journal of Computer & Information Sciences(5):341～356

共引文献214

唐山师范学院学报
2009年 第5期

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