南京大学学报(自然科学版) ›› 2022, Vol. 58 ›› Issue (1): 1–8.doi: 10.13232/j.cnki.jnju.2022.01.001

• •    下一篇

决策演化集的卷积预测

胡玉文1,2,3(), 徐久成1,2, 张倩倩1,2   

  1. 1.河南师范大学计算机与信息工程学院,新乡,453007
    2.河南省高校计算智能与数据挖掘工程技术研究中心,新乡,453007
    3.河南师范大学图书馆,新乡,453007
  • 收稿日期:2021-06-16 出版日期:2022-01-30 发布日期:2022-02-22
  • 通讯作者: 胡玉文 E-mail:huyuwen611@qq.com
  • 作者简介:E⁃mail:huyuwen611@qq.com
  • 基金资助:
    国家自然科学基金(61976082);河南省科技创新人才项目(184100510003);河南省科技攻关项目(182102210362);河南省高等学校重点科研项目(21A520024)

Convolution forecast of decision evolution set

Yuwen Hu1,2,3(), Jiucheng Xu1,2, Qianqian Zhang1,2   

  1. 1.College of Computer and Information Engineering, Henan Normal University, Xinxiang, 453007, China
    2.Engineering Technology Research Center for Computing Intelligence & Data Mining, Xinxiang, 453007, China
    3.Henan Normal University Library, Xinxiang, 453007, China
  • Received:2021-06-16 Online:2022-01-30 Published:2022-02-22
  • Contact: Yuwen Hu E-mail:huyuwen611@qq.com

摘要:

决策演化集是处理决策规则在时间序列上演化问题的理论,它将着眼点从静态的决策信息系统转移到动态的时间序列上,研究决策信息系统随时间变化时的演化规律,是一种新的决策规则研究方法.在决策演化集理论体系下预测规则伴随实际规则产生,因此预测规则必然对实际规则产生影响.为了解释预测规则和实体规则之间的相互关系,引入卷积方法,在时间序列上构建预测规则和实际规则的演化混合矩阵,并利用该矩阵对决策信息系统进行预测分析.

关键词: 粗糙集, 预测规则, 实际规则, 卷积预测

Abstract:

Decision evolution set is a theory to deal with evolution problem of decision rules in time series. Decision evolution set transfers the focus from static decision information system to dynamic time series,which is a new decision research method to study the evolution regulations in decision information system following the time variation. In the decision evolution set theory system,the forecast rules are accompanied by the real rules,so that the forecast rules inevitably have an impact on the real rules. In order to explain the relationship between forecast rules and real rules,in this paper,the convolution method is used to construct the evolution mixed matrix of forecast rules and real rules on time series,and the matrix is used to forecast and analyze the decision information system.

Key words: rough set, forecast rules, real rules, convolution forecast

中图分类号: 

  • TP18

表1

时间序列下各粒度的决策规则"

决策规则决策规则决策规则
g1b1d1e0k2m0n1f0g2b1c1d2h0n2f0g3a0d2h1k1l2f0
a2b1c0d2h1l2m0f1a0b1c0l1n2f1b0h2m1n2f1
b0c2e1k2n0f2a1d2e0k0f2a0b0e2h1m1f2
g4a0b0c1d2m2f0g5c1d2e0k0l0m1f0g6a1b1d2k1l2n0f0
d0e2l0n1f1c1d2e0k1m1f1e1h2k0l1m1n2f1
a2b2e1k0l0n1f2a2b1c2d0h1k0f2c2d1e1k0l2f2

表2

经过整理的粒度决策规则"

决策决策规则决策决策规则决策决策规则
f0b1d1e0k2m0n1f0f1a2b1c0d2h1l2m0f1f2b0c2e1k2n0f2
b1c1d2h0n2f0a0b1c0l1n2f1a1d2e0k0f2
a0d2h1k1l2f0b0h2m1n2f1a0b0e2h1m1f2
a0b0c1d2m2f0d0e2l0n1f1a2b2e1k0l0n1f2
c1d2e0k0l0m1f0c1d2e0k1m1f1a2b1c2d0h1k0f2
a1b1d2k1l2n0f0e1h2k0l1m1n2f1c2d1e1k0l2f2

表3

时间粒g7的决策规则"

决策规则
g7c1d0e2h2l0n1f0
a2b1c2k1m0n0f1
b1c0d1e2k2l0n1f2

表4

经过预处理后的wdbc数据集中各属性的约简情况"

时间粒A1A2A3A4A5A6A30
g10110100
g20101100
g30100100
????????
g120000000

图1

wdbc数据库划分为12个时间粒的空间演化图"

表5

经过预处理的audit_risk数据集中各属性的约简情况"

时间粒B1B2B3B4B5B6B26
g10111000
g20101000
g31000000
????????
g150000000

图2

audit_risk数据库划分为15个时间粒的空间演化图"

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