BPR-Opt is a maximum posterior estimator for personalized ranking from implicit feedback that, when used to train matrix factorization and adaptive kNN, outperforms standard learning techniques on ranking tasks.
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BPR: Bayesian Personalized Ranking from Implicit Feedback
BPR-Opt is a maximum posterior estimator for personalized ranking from implicit feedback that, when used to train matrix factorization and adaptive kNN, outperforms standard learning techniques on ranking tasks.