计算机科学 ›› 2011, Vol. 38 ›› Issue (3): 222-223.
• 人工智能 • 上一篇 下一篇
梁俊奇,张文君
出版日期:
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基金资助:
LIANG Jun-qi,ZHANG Wen-jun
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摘要： 变精度覆盖粗糙集模型是在放宽了覆盖标准的前提下给出的，因而导致近似算子发生了变化，但其变化有一定的规律。在介绍了覆盖粗糙集模型和变精度覆盖粗糙集模型的概念的基础上，给出并证明了变精度覆盖粗糙近似算子与覆盖粗糙近似算子之间的关系，即定理1、定理2及其推论。
关键词: 覆盖粗糙集模型，变精度覆盖粗糙集模型，a覆盖近似算子，覆盖近似算子，关系
Abstract: The model of variable precision coverage rough set was proposed under certain conditions of relaxing coverage standard which yields diversification of the approximation operators, and the change is in certain laws in addition. Afto introducing the concepts on models of coverage rough set and also of variable precision coverage rough set, we proved the relationships of approximation operators between them. That is,we achieved the results in theorem 1，theorem 2 and related corollaries.
Key words: Covering rough set model, Variable precision covering rough set model,βcovering approximation operators,Covering approximation operators,Relations
梁俊奇,张文君. 变精度覆盖近似算子与覆盖近似算子的关系[J]. 计算机科学, 2011, 38(3): 222-223. https://doi.org/
LIANG Jun-qi,ZHANG Wen-jun. Relations between for Variable Precision Covering Approximation Operators and Covering Approximation Operators[J]. Computer Science, 2011, 38(3): 222-223. https://doi.org/
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