@Book {ISC2009,
    editor = {P. Samarati and M. Yung and F. Martinelli and C.A. Ardagna},
    booktitle = {Proc. of the 12th Information Security Conference (ISC 2009)},
    publisher = {Springer},
    month = {September},
    day = {7-9},
    year = {2009}
}