@InProceedings {ddls.pods99,
    author = {S. Dawson and S. {De Capitani di Vimercati} and P. Lincoln and P. Samarati},
    booktitle = {Proc. of the 18th ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems (PODS)},
    title = {Minimal Data Upgrading to Prevent Inference and Association Attacks},
    address = {Philadelphia, PA, USA},
    month = {May - June},
    year = {1999}
}