@InProceedings {dfpps-icdcs2011,
    author = {S. {De Capitani di Vimercati} and S. Foresti and S. Paraboschi and G. Pelosi and P. Samarati},
    booktitle = {Proc. of the 31st International Conference on Distributed Computing Systems (ICDCS 2011)},
    title = {Efficient and Private Access to Outsourced Data},
    address = {Minneapolis, Minnesota, USA},
    month = {June},
    day = {20-24},
    year = {2011}
}