An Algorithm for Predicting Customer Churn via BP Neural Network Based on Rough Set. - Xu E; Liangshan Shao; Xuedong Gao; Baofeng Zhai (APSCC, 2006)

Design and Implementation on the New Method of Water-Containing Measure for Grain. - Baofeng Zhai; Xu E; Quantie Wang; Yizhi Zhang (ISIA, 2010)