A novel oppositional biogeography-based optimization for combinatorial problems. - Qingzheng Xu; Lemeng Guo; Na Wang 006; Jin Pan; Lei Wang 030 (ICNC, 2014)

COOBBO: A Novel Opposition-Based Soft Computing Algorithm for TSP Problems. - Qingzheng Xu; Lemeng Guo; Na Wang 006; Yongjian He (Algorithms, 2014)

Opposition-Based Backtracking Search Algorithm for Numerical Optimization Problems. - Qingzheng Xu; Lemeng Guo; Na Wang 006; Li Xu (IScIDE (2), 2015)