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>Catoptrical rough set model on two universes using granule-based definition and its variable precision extensions
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Catoptrical rough set model on two universes using granule-based definition and its variable precision extensions
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机译:使用基于颗粒的定义及其可变精度扩展在两个宇宙上建立地形粗糙集模型
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摘要
Rough set models on two universes are valuable generalizations of classic rough set model. These models can be applied into formal concept analysis and decision-making system. This paper focuses on catoptrical approach for rough set models over two universes using granule-based definition. In this paper, we propose a new catoptrical rough set model over dual universes. The properties of the proposed model are discussed. Consequently, a variable precision extension of the model is presented. Some properties of the extended model are obtained. Finally, we investigate a further extension of the proposed model, i.e. variable precision catoptrical rough set model with two parameters.
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