Title	An Immune Evolution Multiobjective Algorithm
Author	Chen Guangzhu, Li Zhishu, Cheng zhiHong, Zhai yusheng
Citation	Vol. 6  No. 1  pp. 91~98
Keywords	Artificial immune system, Multiobjective optimization, Lifecycle of immune cells, Neighbor crowded algorithm, Convergence metric, Diversity metric

Title	A fast multi-level image segmentation method based on 2-D histogram using PSO
Author	Zeng Guowen, Hao Zhifeng, Yang Xiaowei, Wu Guangchao
Citation	Vol. 6  No. 1  pp. 126~135
Keywords	Multi-level thresholding, particle swarm optimization (PSO), 2-D threshold

Title	The Adaptive Genetic Algorithms for Portfolio Selection Problem
Author	Wei-Guo Zhang, Wei CHEN, Ying-Luo Wang
Citation	Vol. 6  No. 1  pp. 196~200
Keywords	Adaptive genetic algorithms, Portfolio selection, stochastic optimization

Title	Chaos-particle Swarm Optimization Algorithm and Its Application to Urban Traffic Control
Author	DONG Chaojun, LIU Zhiyong, LIU Xian kun
Citation	Vol. 6  No. 1  pp. 97~101
Keywords	chaos-particle swarm optimization algorithm, logistic map, urban traffic control, average delay per vehicle, signal timing