Reference:

Eerika Savia ja Kai Puolamäki, Janne Sinkkonen, and Samuel Kaski. Two-way latent grouping model for user preference prediction. In Proceedings of the 21st Conference on Uncertainty in Artificial Intelligence (UAI '05), pages 518–525, 2005.

Suggested BibTeX entry:

@inproceedings{Savia05uai,
    author = {Eerika Savia ja Kai Puolam\"aki and Janne Sinkkonen and Samuel Kaski},
    booktitle = {Proceedings of the 21st Conference on Uncertainty in Artificial Intelligence (UAI '05)},
    pages = {518--525},
    title = {Two-Way Latent Grouping Model for User Preference Prediction},
    year = {2005},
}