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Stigmergic Optimization in Dynamic Binary Landscapes

65. Fernandes, C., Ramos, V., Rosa, A.C., Stigmergic Optimization in Dynamic Binary Landscapes, in SAC´07 - 22nd ACM Symp. on Applied Computing, ACM/ SIGAPP press, pp. 747-748, Seoul, Korea, March 2007.

PDF file: paper (158 Kb)

Abstract: Hereafter we introduce a novel algorithm for optimization in dynamic binary landscapes. The Binary Ant Algorithm (BAA) mimics some aspects of real social insects’ behavior. Like Ant Colony Optimization (ACO), BAA acts by building pheromone maps over a grid of possible trails that represent solutions to an optimization problem. Main differences rely on the way this search space is represented and provided to the colony in order to explore/exploit it. Then, by a process of pheromone reinforcement and evaporation the artificial insect trails converge to regions near the problem solution or extrema. The negative feedback granted by the evaporation mechanism provides the self-organized system with population diversity and self-adaptive characteristics, allowing BAA to be particularly suitable for hard Dynamic Optimization Problems (DOP), where extrema continuously changes at severe speeds.

Keywords: Ant algorithms, Stigmergy, Dynamic Optimization, Self-Organization, Swarm Intelligence.

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56. Varying the Population Size of Artificial Foraging Swarms on Time Varying Landscapes.

58. On Ants, Bacteria and Dynamic Environments.

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[...] Interactions among many sporuliferous and ubiquitous abstractions may lead to increasing reality [...] V. Ramos, 2001.
http://www.laseeb.org/vramos + http://www.chemoton.org. Vitorino Ramos (Nov. 2007).