Research of generalized variable precision rough set model and its application
SUN Shi-bao 1,2,YAO Lei-lei 1,WU Qing-tao 1,PU Jie-xin 1,QIN Ke-yun 3
Computer Engineering and Applications . 2009, (7): 10 -13 .  DOI: 10.3778/j.issn.1002-8331.2009.07.004