The SIR method: A superiority and inferiority ranking method for multiple criteria decision making. - Xiaozhan Xu (Eur. J. Oper. Res., 2001)

A multiple criteria ranking procedure based on distance between partial preorders. - Xiaozhan Xu; Jean-Marc Martel; Bernard F. Lamond (Eur. J. Oper. Res., 2001)

A note on the subjective and objective integrated approach to determine attribute weights. - Xiaozhan Xu (Eur. J. Oper. Res., 2004)