Rough Set Method Based on Multi-Granulations. - Y. H. Qian; J. Y. Liang (IEEE ICCI, 2006)

On Dominance Relations in Disjunctive Set-Valued Ordered Information Systems. - Y. H. Qian; J. Y. Liang; P. Song; C. Y. Dang (Int. J. Inf. Technol. Decis. Mak., 2010)