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COLT
2003
Springer

On-Line Learning with Imperfect Monitoring

14 years 12 days ago
On-Line Learning with Imperfect Monitoring
We study on-line play of repeated matrix games in which the observations of past actions of the other player and the obtained reward are partial and stochastic. We define the Partial Observation Bayes Envelope (POBE) as the best reward against the worst-case stationary strategy of the opponent that agrees with past observations. Our goal is to have the (unobserved) average reward above the POBE. For the case where the observations (but not necessarily the rewards) depend on the opponent play alone, an algorithm for attaining the POBE is derived. This algorithm is based on an application of approachability theory combined with a worst-case view over the unobserved rewards. We also suggest a simplified solution concept for general signaling structure. This concept may fall short of the POBE.
Shie Mannor, Nahum Shimkin
Added 06 Jul 2010
Updated 06 Jul 2010
Type Conference
Year 2003
Where COLT
Authors Shie Mannor, Nahum Shimkin
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