<正>A novel encryption model is proposed.It combines encryption process with compression process,and realizes compression and encryption at the same time.The mo
<正>To avoid the curse of dimensionality,text categorization(TC)algorithms based on machine learning (ML)have to use an feature selection(FS)method to reduce th
A new method for translating a fuzzy rough set to a fuzzy set is introduced and the fuzzy approximation of a fuzzy rough set is given. The properties of the fuz
<正>The concept of F-knowledge is presented by employing S-rough sets.By engrafting and penetrating between the F-knowledge generated by S-rough sets and the RS