@inproceedings{ZMKL05,

    author    = "Cai-Nicolas Ziegler and Sean McNee and Joseph Konstan and Georg Lausen",
    title     = "Improving Recommendation Lists Through Topic Diversification",
    booktitle = "Proceedings of the 14th International World Wide Web Conference",
    year      = "2005",
    month     = "May",
    address   = "Chiba, Japan",
    publisher = "ACM Press"
}