A Granular Reduction Algorithm Based on Covering Rough Sets

Table 1

Objects	𝐶1	𝐶2	𝐶3	𝐶4	𝐶5	𝐶6	𝐶7
𝑥1	*	*		*	*		*
𝑥2	*
𝑥3	*		*			*
𝑥4		*	*	*	*	*	*
𝑥5			*	*			*
𝑥6					*		*