序信息系统下变精度与程度的“逻辑或”粗糙集

余建航，徐伟华

Rough Set Based on Logical Disjunct Operation of Variable Precision and Grade in Ordered Information System

YU Jianhang, XU Weihua

计算机科学与探索 . 2015, (1): 112 -118 . DOI: 10.3778/j.issn.1673-9418.1406021