@article{ZG07,

    author    = "Cai-Nicolas Ziegler and Jennifer Golbeck",
    title     = "Investigating Interactions of Trust and Interest Similarity",
    journal   = "Decision Support Systems",
    volume    = "43",
    number    = "2",
    publisher = "Elsevier Science",
    pages     = "460--475",
    year      = "2007"
}