@InProceedings {dfjpps-wpes2008,
    author = {S. {De Capitani di Vimercati} and S. Foresti and S. Jajodia and S. Paraboschi and G. Pelosi and P. Samarati},
    booktitle = {Proc. of the Workshop on Privacy in the Electronic Society (WPES 2008)},
    title = {Preserving Confidentiality of Security Policies in Data Outsourcing},
    address = {Alexandria, Virginia, USA},
    month = {October},
    day = {27},
    year = {2008}
}