6双向S-概率粗糙集及其应用

J4 ›› 2011, Vol. 46 ›› Issue (12): 114-119.

6双向S-概率粗糙集及其应用

李之毅, 刘纪芹*

山东财政学院统计与数理学院, 山东济南 250014

收稿日期:2010-10-26 出版日期:2011-12-20 发布日期:2011-12-24
通讯作者: 刘纪芹(1968- ),女,博士,教授,硕士生导师,研究方向为粗系统理论与应用.Email: sdfiljq@126.com
作者简介:李之毅(1983- ),男,硕士研究生,研究方向为粗系统理论与应用,经济系统分析及应用.Email: lizhiyi211@sina.com
基金资助:
国家自然科学基金资助项目(61074037);山东省高校科研发展计划项目(J10WF56)

Two-direction S-probability rough sets and its application

LI Zhi-yi, LIU Ji-qin*

Department of Statistics and Mathematics, Shandong Finance Institute, Jinan 250014, Shandong, China

Received:2010-10-26 Online:2011-12-20 Published:2011-12-24

摘要/Abstract

摘要：

在集合X的双向动态特性与知识库中统计信息的基础上,提出了双向S-概率粗糙集模型。讨论了双向S-概率粗糙集的动态特性,给出了双向S-概率粗糙集的应用。

关键词: 双向S-粗集; 双向S-概率粗糙集; 近似精度; 粗糙度

Abstract:

Considering two-direction dynamic property of the set X and statistical informational in knowledge base, two-direction S-probability rough sets is presented. Dynamic properties of two-direction Sprobability rough sets are discussed, and its application is proposed.

Key words: two-direction S-rough sets; two-direction S-probability rough sets; accuracy; roughness

李之毅, 刘纪芹*. 6双向S-概率粗糙集及其应用[J]. J4, 2011, 46(12): 114-119.

LI Zhi-yi, LIU Ji-qin*. Two-direction S-probability rough sets and its application[J]. J4, 2011, 46(12): 114-119.

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