Strategic disclosure of opinions on a social network
Umberto Grandi, Emiliano Lorini, Laurent Perrussel

TL;DR
This paper introduces a new class of infinite repeated games called games of influence, modeling how agents strategically disclose opinions on social networks to sway others within a trust network, analyzed through game-theoretic concepts.
Contribution
It formalizes the influence process in social networks as games of influence, incorporating trust networks, and explores strategic behavior using game-theoretic solution concepts.
Findings
Trust network structure affects agents' influence strategies.
Agents' goals can be expressed in a temporal logic framework.
Analysis includes Nash equilibrium, weak dominance, and winning strategies.
Abstract
We study the strategic aspects of social influence in a society of agents linked by a trust network, introducing a new class of games called games of influence. A game of influence is an infinite repeated game with incomplete information in which, at each stage of interaction, an agent can make her opinions visible (public) or invisible (private) in order to influence other agents' opinions. The influence process is mediated by a trust network, as we assume that the opinion of a given agent is only affected by the opinions of those agents that she considers trustworthy (i.e., the agents in the trust network that are directly linked to her). Each agent is endowed with a goal, expressed in a suitable temporal language inspired from linear temporal logic (LTL). We show that games of influence provide a simple abstraction to explore the effects of the trust network structure on the agents'…
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Taxonomy
TopicsOpinion Dynamics and Social Influence · Game Theory and Applications · Logic, Reasoning, and Knowledge
