Understanding Airline Passenger Behavior through PNR, SOW and Webtrends Data Analysis. - Sien Chen; Jianping Zhu; Qichang Xie; Wenqiang Huang; Yinghua Huang (BigDataService, 2015)

Computation and application of Copula-based weighted average quantile regression. - Qichang Xie (J. Comput. Appl. Math., 2015)

Computation and application of robust data-driven bandwidth selection for gradient function estimation. - Qichang Xie; Qiankun Sun (Appl. Math. Comput., 2019)