Measuring Olympics achievements based on a parallel DEA approach. - Xiyang Lei; Yongjun Li 001; Qiwei Xie; Liang Liang 001 (Ann. Oper. Res., 2015)

Performance evaluation of participating nations at the 2012 London Summer Olympics by a two-stage data envelopment analysis. - Yongjun Li 001; Xiyang Lei; Qianzhi Dai; Liang Liang 001 (Eur. J. Oper. Res., 2015)

Considering Monopoly Maintenance Cost for an Automobile Purchase in China: A DEA-Based Approach. - Qianzhi Dai; Lin Li; Xiyang Lei; Qingxian An; Xiao Tang (J. Syst. Sci. Complex., 2019)

A common-weight DEA model for multi-criteria ABC inventory classification with quantitative and qualitative criteria. - Qingxian An; Yao Wen; Junhua Hu; Xiyang Lei (RAIRO Oper. Res., 2019)

A DEA-based incentive approach for allocating common revenues or fixed costs. - Qianzhi Dai; Yongjun Li 001; Xiyang Lei; Dengsheng Wu (Eur. J. Oper. Res., 2021)

Dominance and ranking interval in DEA parallel production systems. - Xiyang Lei; Yongjun Li; Alec Morton (OR Spectr., 2022)