@Article {dfpps-jcs2013,
    author = {S. {De Capitani di Vimercati} and S. Foresti and S. Paraboschi and G. Pelosi and P. Samarati},
    title = {Supporting Concurrency and Multiple Indexes in Private Access to Outsourced Data},
    journal = {Journal of Computer Security (JCS)},
    volume = {21},
    number = {3},
    pages = {425-461},
    year = {2013}
}