Regret vs. Bandwidth Trade-off for Recommendation Systems

October 15, 2018 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Linqi Song, Christina Fragouli, Devavrat Shah arXiv ID 1810.06313 Category cs.IR: Information Retrieval Cross-listed cs.LG, stat.ML Citations 1 Venue arXiv.org Last Checked 4 months ago
Abstract
We consider recommendation systems that need to operate under wireless bandwidth constraints, measured as number of broadcast transmissions, and demonstrate a (tight for some instances) tradeoff between regret and bandwidth for two scenarios: the case of multi-armed bandit with context, and the case where there is a latent structure in the message space that we can exploit to reduce the learning phase.
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