@book{
    Puolamaki06inips,
    editor = {Puolam{\"a}ki, Kai and Kaski, Samuel},
    publisher = "Helsinki University of Technology",
    year = "2006",
    flags = "AIRC HIIT public",
    address = "Espoo, Finland",
    title = "Proceedings of the NIPS 2005 Workshop on Machine Learning for Implicit Feedback and User Modeling"
}