@InProceedings {dfjps-ccs2008,
    author = {S. {De Capitani di Vimercati} and S. Foresti and S. Jajodia and S. Paraboschi and P. Samarati},
    booktitle = {Proc. of the 15th ACM Conference Conference on Computer and Communications Security (CCS 2008)},
    title = {Assessing Query Privileges via Safe and Efficient Permission Composition},
    address = {Alexandria, Virginia, USA},
    month = {October},
    day = {27-31},
    year = {2008}
}