A bio-inspired spatial defence strategy for collective decision making in self-organized swarms

Judhi Prasetyo, Giulia De Masi, Raina Zakir, Muhanad Alkilabi, Elio Tuci, Eliseo Ferrante

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Résumé

In collective decision-making, individuals in a swarm reach consensus on a decision using only local interactions without any centralized control. In the context of the best-of-n problem - characterized by n discrete alternatives - it has been shown that consensus to the best option can be reached if individuals disseminate that option more than the other options. Besides being used as a mechanism to modulate positive feedback, long dissemination times could potentially also be used in an adversarial way, whereby adversarial swarms could infiltrate the system and propagate bad decisions using aggressive dissemination strategies. Motivated by the above scenario, in this paper we propose a bio-inspired defence strategy that allows the swarm to be resilient against options that can be disseminated for longer times. This strategy mainly consists in reducing the mobility of the agents that are associated to options disseminated for a shorter amount of time, allowing the swarm to converge to this option. We study the effectiveness of this strategy using two classical decision mechanisms, the voter model and the majority rule, showing that the majority rule is necessary in our setting for this strategy to work. The strategy has also been validated on a real Kilobots experiment.

langue originaleAnglais
titreGECCO 2021 - Proceedings of the 2021 Genetic and Evolutionary Computation Conference
EditeurACM Press
Pages49-56
Nombre de pages8
ISBN (Electronique)9781450383509
Les DOIs
Etat de la publicationPublié - 26 juin 2021
Evénement2021 Genetic and Evolutionary Computation Conference, GECCO 2021 - Virtual, Online, France
Durée: 10 juil. 202114 juil. 2021

Série de publications

NomGECCO 2021 - Proceedings of the 2021 Genetic and Evolutionary Computation Conference

Une conférence

Une conférence2021 Genetic and Evolutionary Computation Conference, GECCO 2021
Pays/TerritoireFrance
La villeVirtual, Online
période10/07/2114/07/21

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