Opinion dynamics in multi-agent systems with binary decision exchanges

Yunlong Wang; Lingqing Gan; Petar M. Djuric

doi:10.1109/ICASSP.2016.7472546

Opinion dynamics in multi-agent systems with binary decision exchanges

Yunlong Wang, Lingqing Gan, Petar M. Djuric

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

Opinion dynamics in social networks has been widely studied in recent years, mostly by considering exchanges of opinions among neighboring agents. This paper addresses a scenario where the agents make decisions repeatedly on two hypotheses and where agents only exchange decisions. Motivated by the Bayesian models in the literature of human cognition, we model this learning procedure by the Bayes' rule. The social belief of each agent is defined to be the posterior of one of the hypotheses conditioned on the information it obtained from the society. We show that under certain conditions, once the social belief evolves to some region, the agent will refuse to change its belief. We demonstrate the asymptotical properties of the proposed model by computer simulations.

Original language	English (US)
Title of host publication	2016 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	4588-4592
Number of pages	5
ISBN (Electronic)	9781479999880
DOIs	https://doi.org/10.1109/ICASSP.2016.7472546
State	Published - May 18 2016
Event	41st IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Shanghai, China Duration: Mar 20 2016 → Mar 25 2016

Publication series

Name	ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Volume	2016-May
ISSN (Print)	1520-6149

Other

Other	41st IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016
Country/Territory	China
City	Shanghai
Period	3/20/16 → 3/25/16

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

Keywords

Bayesian learning
Opinion dynamics
voter model

Publisher link

10.1109/ICASSP.2016.7472546

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Wang, Y., Gan, L., & Djuric, P. M. (2016). Opinion dynamics in multi-agent systems with binary decision exchanges. In 2016 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Proceedings (pp. 4588-4592). Article 7472546 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; Vol. 2016-May). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICASSP.2016.7472546

Opinion dynamics in multi-agent systems with binary decision exchanges. / Wang, Yunlong; Gan, Lingqing; Djuric, Petar M.
2016 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2016. p. 4588-4592 7472546 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; Vol. 2016-May).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Wang, Y, Gan, L & Djuric, PM 2016, Opinion dynamics in multi-agent systems with binary decision exchanges. in 2016 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Proceedings., 7472546, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, vol. 2016-May, Institute of Electrical and Electronics Engineers Inc., pp. 4588-4592, 41st IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016, Shanghai, China, 3/20/16. https://doi.org/10.1109/ICASSP.2016.7472546

Wang Y, Gan L, Djuric PM. Opinion dynamics in multi-agent systems with binary decision exchanges. In 2016 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2016. p. 4588-4592. 7472546. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings). doi: 10.1109/ICASSP.2016.7472546

Wang, Yunlong ; Gan, Lingqing ; Djuric, Petar M. / Opinion dynamics in multi-agent systems with binary decision exchanges. 2016 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2016. pp. 4588-4592 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

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abstract = "Opinion dynamics in social networks has been widely studied in recent years, mostly by considering exchanges of opinions among neighboring agents. This paper addresses a scenario where the agents make decisions repeatedly on two hypotheses and where agents only exchange decisions. Motivated by the Bayesian models in the literature of human cognition, we model this learning procedure by the Bayes' rule. The social belief of each agent is defined to be the posterior of one of the hypotheses conditioned on the information it obtained from the society. We show that under certain conditions, once the social belief evolves to some region, the agent will refuse to change its belief. We demonstrate the asymptotical properties of the proposed model by computer simulations.",

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AB - Opinion dynamics in social networks has been widely studied in recent years, mostly by considering exchanges of opinions among neighboring agents. This paper addresses a scenario where the agents make decisions repeatedly on two hypotheses and where agents only exchange decisions. Motivated by the Bayesian models in the literature of human cognition, we model this learning procedure by the Bayes' rule. The social belief of each agent is defined to be the posterior of one of the hypotheses conditioned on the information it obtained from the society. We show that under certain conditions, once the social belief evolves to some region, the agent will refuse to change its belief. We demonstrate the asymptotical properties of the proposed model by computer simulations.

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Opinion dynamics in multi-agent systems with binary decision exchanges

Abstract

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