@article{New03,

    author    = "Cai-Nicolas Ziegler",
    title     = "Scalable Trust Propagation Models",
    journal   = "Information Security Bulletin",
    pages     = "223--232",
    volume    = "10",
    number    = "6",
    year      = "2005",
    month     = "July",
    publisher = "Chi Publishing Ltd"
}