## An agent-based model of collective emotions in online communities

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2010
##### Authors
Schweitzer, Frank
Journal article
Published
##### Published in
The European Physical Journal B ; 77 (2010), 4. - pp. 533-545. - Springer. - ISSN 1434-6028. - eISSN 1434-6036
##### Abstract
We develop an agent-based framework to model the emergence of collective emotions, which is applied to online communities. Agent’s individual emotions are described by their valence and arousal. Using the concept of Brownian agents, these variables change according to a stochastic dynamics, which also considers the feedback from online communication. Agents generate emotional information, which is stored and distributed in a field modeling the online medium. This field affects the emotional states of agents in a non-linear manner. We derive conditions for the emergence of collective emotions, observable in a bimodal valence distribution. Dependent on a saturated or a superlinear feedback between the information field and the agent’s arousal, we further identify scenarios where collective emotions only appear once or in a repeated manner. The analytical results are illustrated by agent-based computer simulations. Our framework provides testable hypotheses about the emergence of collective emotions, which can be verified by data from online communities.
320 Politics
##### Keywords
Emotional State, Multiagent System, Online Community, Emotional Content, Emotional Information
##### Cite This
ISO 690SCHWEITZER, Frank, David GARCIA, 2010. An agent-based model of collective emotions in online communities. In: The European Physical Journal B. Springer. 77(4), pp. 533-545. ISSN 1434-6028. eISSN 1434-6036. Available under: doi: 10.1140/epjb/e2010-00292-1
BibTex
@article{Schweitzer2010agent-60086,
year={2010},
doi={10.1140/epjb/e2010-00292-1},
title={An agent-based model of collective emotions in online communities},
number={4},
volume={77},
issn={1434-6028},
journal={The European Physical Journal B},
pages={533--545},
author={Schweitzer, Frank and Garcia, David}
}

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