Adversarial Coordination on Social Networks
Decentralized coordination is one of the fundamental challenges for societies and organizations. While extensively explored from a variety of perspectives, one issue which has received limited attention is human coordination in the presence of adversarial agents. We study this problem by situating human subjects as nodes on a network, and endowing each with a role, either regular (with the goal of achieving consensus among all regular players), or adversarial (aiming to prevent consensus among regular players). We show that adversarial nodes are, indeed, quite successful in preventing consensus. However, we demonstrate that having the ability to communicate among network neighbors can considerably improve coordination success, as well as resilience to adversarial nodes. Our analysis of communication suggests that adversarial nodes attempt to exploit this capability for their ends, but do so in a somewhat limited way, perhaps to prevent regular nodes from recognizing their intent. In addition, we show that the presence of trusted nodes generally has limited value, but does help when many adversarial nodes are present and players can communicate. Finally, we use experimental data to develop a computational model of human behavior, and explore a number of additional parametric variations, such as features of network topologies, using the resulting data-driven agent-based model.
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Chen Hajaj (add twitter)
Sixie Yu (add twitter)
Zlatko Joveski (add twitter)
Yevgeniy Vorobeychik (add twitter)
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08/05/18 05:51PM
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net_science: "Adversarial Coordination on Social Networks. (arXiv:1808.01173v1 [https://t.co/lwVVolDZXc])" https://t.co/aIcW61pD57
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