Variable precision multi-granulation rough set
Wei Wei, Jiye Liang, Yuhua Qian, Feng Wang · 2012
Multi-granulation rough set model is an important generalization of Pawlak's rough set model. To enhance its capability of dealing with noisy data, in this paper, we proposed the variable precision multi-granulation rough set model and the variable precision weighted multi-granulation rough set model by loosing the requirement of accuracy on each granulation. Furthermore, we gave some important properties, and analyzed the relationships between existing multi-granulation rough set models and the proposed models.