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ATAL
2009
Springer

Hedonic coalition nets

9 years 1 months ago
Hedonic coalition nets
In hedonic games, players have the opportunity to form coalitions, and have preferences over the coalitions they might join. Such games can be used to model a variety of settings ranging from multi-agent coordination to group formation in social networks. However, the practical application of hedonic games is hindered by the fact that the naive representation for such games is exponential in the number of players. In this paper, we study hedonic coalition nets—a succinct, rule-based representation for hedonic games. This formalism is based on marginal contribution nets, which were developed by Ieong and Shoham for representing coalitional games with transferable utility. We show that hedonic coalition nets are universally expressive, yet are at least as succinct as other existing representation schemes for hedonic games. We then investigate the complexity of many natural decision problems for hedonic coalition nets. In particular, we provide a complete characterisation of the comput...
Edith Elkind, Michael Wooldridge
Added 26 May 2010
Updated 26 May 2010
Type Conference
Year 2009
Where ATAL
Authors Edith Elkind, Michael Wooldridge
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