On Ants, Bacteria and Dynamic Environments Export

@inbook{citeulike:407711, abstract = {Wasps, bees, ants and termites all make effective use of their environment and resources by displaying collective ” swarm” intelligence. Termite colonies - for instance - build nests with a complexity far beyond the comprehension of the individual termite, while ant colonies dynamically allocate labor to various vital tasks such as foraging or defense without any central decision-making ability. Recent research suggests that microbial life can be even richer: highly social, intricately networked, and teeming with interactions, as found in bacteria. What strikes from these observations is that both ant colonies and bacteria have similar natural mechanisms based on Stigmergy and Self-Organization in order to emerge coherent and sophisticated patterns of global behaviour. Keeping in mind the above characteristics we will present a simple model to tackle the collective adaptation of a social swarm based on real ant colony behaviors (SSA algorithm) for tracking extrema in dynamic environments and highly multimodal complex functions described in the well-know De Jong test suite. Then, for the purpose of comparison, a recent model of artificial bacterial foraging (BFOA algorithm) based on similar stigmergic features is described and analyzed. Final results indicate that the SSA collective intelligence is able to cope and quickly adapt to unforeseen situations even when over the same cooperative foraging period, the community is requested to deal with two different and contradictory purposes, while outperforming BFOA in adaptive speed.}, author = {Ramos, Vitorino and Fernandes, Carlos and Rosa, Agostinho C.}, citeulike-article-id = {407711}, citeulike-linkout-0 = {http://alfa.ist.utl.pt/~cvrm/staff/vramos/ref_63.html}, keywords = {adaptive\_algorithms, adaptive\_computation, ant\_colony\_systems, artificial\_intelligence, artificial\_life, collective\_computing, collective\_intelligence, collective\_systems, complex\_systems, distributed\_computing, dynamic\_optimization, optimization, self-organization, self-regulated, stigmergy, swarm\_intelligence}, posted-at = {2005-11-24 18:56:07}, priority = {0}, title = {On Ants, Bacteria and Dynamic Environments}, url = {http://alfa.ist.utl.pt/~cvrm/staff/vramos/ref_63.html} }

TY - CHAP ID - citeulike:407711 L3 - citeulike-article-id:407711 N2 - Wasps, bees, ants and termites all make effective use of their environment and resources by displaying collective “swarm” intelligence. Termite colonies - for instance - build nests with a complexity far beyond the comprehension of the individual termite, while ant colonies dynamically allocate labor to various vital tasks such as foraging or defense without any central decision-making ability. Recent research suggests that microbial life can be even richer: highly social, intricately networked, and teeming with interactions, as found in bacteria. What strikes from these observations is that both ant colonies and bacteria have similar natural mechanisms based on Stigmergy and Self-Organization in order to emerge coherent and sophisticated patterns of global behaviour. Keeping in mind the above characteristics we will present a simple model to tackle the collective adaptation of a social swarm based on real ant colony behaviors (SSA algorithm) for tracking extrema in dynamic environments and highly multimodal complex functions described in the well-know De Jong test suite. Then, for the purpose of comparison, a recent model of artificial bacterial foraging (BFOA algorithm) based on similar stigmergic features is described and analyzed. Final results indicate that the SSA collective intelligence is able to cope and quickly adapt to unforeseen situations even when over the same cooperative foraging period, the community is requested to deal with two different and contradictory purposes, while outperforming BFOA in adaptive speed. TI - On Ants, Bacteria and Dynamic Environments KW - adaptive_algorithms KW - adaptive_computation KW - ant_colony_systems KW - artificial_intelligence KW - artificial_life KW - collective_computing KW - collective_intelligence KW - collective_systems KW - complex_systems KW - distributed_computing KW - dynamic_optimization KW - optimization KW - self-organization KW - self-regulated KW - stigmergy KW - swarm_intelligence AU - Ramos, Vitorino AU - Fernandes, Carlos AU - Rosa, Agostinho UR - http://alfa.ist.utl.pt/~cvrm/staff/vramos/ref_63.html ER -