Modeling nonlinear dynamic biological systems with human-readable fuzzy rules optimized by convergent heterogeneous particle swarm. - Ngaam J. Cheung; Zhenkai Xu; Xueming Ding; Hong-Bin Shen (Eur. J. Oper. Res., 2015)

Parameter estimation of Takagi-Sugeno fuzzy system using heterogeneous cuckoo search algorithm. - Xueming Ding; Zhenkai Xu; Ngaam J. Cheung; Xiaohui Liu 001 (Neurocomputing, 2015)

Understanding the Influence of Multiple Factors on the Spread of Omicron Variant Strains via the Multivariate Regression Method. - Zhenkai Xu; Shaofu Lin; Zhisheng Huang; Yu Fu (HIS, 2023)