High Accuracy and Low Regret for User-Cold-Start Using Latent Bandits

Published 12 May 2023 in cs.IR and cs.LG | (2305.18305v1)

Abstract: We develop a novel latent-bandit algorithm for tackling the cold-start problem for new users joining a recommender system. This new algorithm significantly outperforms the state of the art, simultaneously achieving both higher accuracy and lower regret.

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