Y. Hu Y. Koren C. Volinsky: Collaborative filtering for implicit feedback datasets,
IEEE International Conference on Data Mining (ICDM), 2008
R. Pan, Y. Zhou, B. Cao, N. N. Liu, R. M. Lukose, M. Scholz, Q. Yang:
One-class collaborative filtering,
IEEE International Conference on Data Mining (ICDM), 2008
We use the fast computation method proposed by Hu et al. and we allow a global
weight to penalize observed/unobserved values.
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