@InProceedings {ddfjps.sec07,
    author = {E. Damiani and S. {De Capitani di Vimercati} and S. Foresti and S. Jajodia and S. Paraboschi and P. Samarati},
    booktitle = {Proc. of the 22nd IFIP TC-11 International Information Security Conference (SEC 2007)},
    title = {An experimental evaluation of multi-key strategies for data outsourcing},
    address = {Sandton, South Africa},
    month = {May},
    day = {14-16},
    year = {2007}
}