1. D.B. Alicia, C. Jorge, Continuous optimization by evolving probability density functions with a two-island model, in: L. Jiao et al. (Eds.), ICNC 2006, Part I, LNCS, vol. 4221, pp. 796–805.
2. The Ant Colony metaphor for searching continuous design spaces;Bilchev;Lecture Notes in Computer Science,1995
3. G. Bilchev, I.C. Parmee, Constrained optimization with an ant colony search model, in: 2nd International Conference on Adaptive Computing in Engineering Design and Control, 1996, pp. 26–28.
4. G. Chen, X.B. Huang, J.Y. Jia, et al., Natural exponential inertia weight strategy in particle swarm optimization, in: Proceedings of the 6th World Congress on Intelligent Control and Automation, 2006, pp. 3672–3675.
5. L. Chen, J. Shen, L. Qin, J. Fan, A method for solving optimization problem in continuous space using improved Ant Colony Algorithm, in: CASDMKM, 2004, pp. 61–70 (Previously published in 2002).