A hybrid genetic algorithm and particle swarm optimization for multimodal functions. - Yi-Tung Kao; Erwie Zahara (Appl. Soft Comput., 2008)

A hybridized approach to data clustering. - Yi-Tung Kao; Erwie Zahara; I-Wei Kao (Expert Syst. Appl., 2008)

Enhancing Particle Swarm Optimization with Gradient Information. - Erwie Zahara; Yi-Tung Kao; Jhong-Ren Su (ICNC (3), 2009)

Hybrid Nelder-Mead simplex search and particle swarm optimization for constrained engineering design problems. - Erwie Zahara; Yi-Tung Kao (Expert Syst. Appl., 2009)