@InProceedings {ddps-ipmu2004,
    author = {E. Damiani and S. {De Capitani di Vimercati} and S. Paraboschi and P. Samarati},
    booktitle = {Proc. of the Information Processing and Management of Uncertainty in Knowledge-Based Systems},
    title = {Computing Range Queries on Obfuscated Data},
    address = {Perugia, Italy},
    month = {July},
    year = {2004}
}