The uncertainty of probabilistic rough sets in multi-granulation spaces
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- 作者：Qinghua Zhanga ; b ; zhangqh@cqupt.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Qiang Zhanga ; Guoyin Wangb
- 关键词：Rough sets ; Probabilistic rough sets ; Uncertainty measure ; Multi-granulation spaces ; Threshold
- 刊名：International Journal of Approximate Reasoning
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：77
- 期：Complete
- 页码：38-54
- 全文大小：944 K
文摘
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A kind of method for measuring uncertainty of probabilistic rough sets is proposed at first.
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The change rules of uncertainty with changing knowledge spaces are presented and analyzed.
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The uncertainties of three regions are discussed with the changing knowledge spaces.
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The comparative analysis on uncertainty of a target concept is presented.