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Solving Cooperative Reliability Games

Yoram Bachrach, Reshef Meir, Michal Feldman, and Moshe Tennenholtz


Cooperative games model the allocation of profit from joint actions, following considerationssuch as stability and fairness. We propose the reliability extension of such games, where agents may fail to participate in the game. In the reliability extension, each agent only “survives” with a certain probability, and a coalition’s value is the probability that its surviving members would be a winning coalition in the base game. We study prominent solution concepts in such games, showing how to approximate the Shapley value and how to compute the core in games with few agent types. We also show that applying the reliability extension may stabilize the game, making the core non-empty even when the base game has an empty core.


Publication typeInproceedings
Published inUAI 2011
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