A particle swarm optimization-aided fuzzy cloud classifier applied for plant numerical taxonomy based on attribute similarity. - Hongfei Lu; Erxu Pi; Qiufa Peng; Lanlan Wang; Changjiang Zhang (Expert Syst. Appl., 2009)

Precise plant classification within genus level based on simulated annealing aided cloud classifier. - Erxu Pi; Hongfei Lu; Bo Jiang; Jian Huang; Qiufa Peng; Xiuyan Lin (Expert Syst. Appl., 2011)