U×W type dual domain variable precision rough set model

GAO Xiao-feng; WANG Qing-hai

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U×W type dual domain variable precision rough set model

更新时间：2026-09-04

- U×W type dual domain variable precision rough set model
- Vol. 37, Issue 3, Pages: 33-36(2020)
- 作者机构：
  
  青海师范大学机构计算机学院,青海,西宁,810008
- 作者简介：
- 基金信息：
- DOI：
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- Published：2020
- 稿件说明：
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高晓峰, 王青海. U×W型双论域变精度粗糙集模型[J]. 微电子学与计算机, 2020, 37(3): 33-36.

GAO Xiao-feng, WANG Qing-hai. U×W type dual domain variable precision rough set model[J]. 2020, 37(3): 33-36.
高晓峰, 王青海. U×W型双论域变精度粗糙集模型[J]. 微电子学与计算机, 2020, 37(3): 33-36. DOI：

GAO Xiao-feng, WANG Qing-hai. U×W type dual domain variable precision rough set model[J]. 2020, 37(3): 33-36. DOI：

摘要

针对现实世界中多个论域之间信息分类和属性约简问题，提出了U×W型双论域变精度粗糙集模型，通过对U×W型双论域中等价关系的研究，得到了二维等价关系的等价类，在此基础上对该模型结构和数学特性进行了深入研究，得到了一些有用的结论，最后利用粗糙熵和信息熵对其不确定性进行了度量，并通过实例对模型及度量结果进行了验证.

Abstract

Aiming at the information classification and attribute reduction between multiple universes in the real world

a U×W double-disciplinary variable precision rough set model is proposed. By studying the equivalence relation in the U×W double domain

Based on the equivalence class of two-dimensional equivalence relation

the structure and mathematical characteristics of the model are deeply studied

and some useful conclusions are obtained. Finally

the uncertainty is measured by rough entropy and information entropy. The model and measurement results are verified by examples.

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references

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