@InProceedings{HuangDuChen05,
  author =     {Zhengli Huang and Wenliang Du and Biao Chen},
  title =      {Deriving Private Information from Randomized Data}, 
  booktitle =  {Proceedings of the ACM SIGMOD Conference},
  pages =      {37--48},
  address =    {Baltimore, Maryland, USA},
  month =      {June 14-16},
  year =       {2005}
}