@inproceedings{zhang09sdm,
 author = {Zhang, Lei and Wang, Lingyu and Jajodia, Sushil and Brodsky, Alexander},
 title = {L-Cover: Preserving Diversity by Anonymity},
 booktitle = {SDM '09: Proceedings of the 6th VLDB Workshop on Secure Data Management},
 year = {2009},
 isbn = {978-3-642-04218-8},
 pages = {158--171},
 location = {Lyon, France},
 publisher = {Springer-Verlag},
 address = {Berlin, Heidelberg},
 }