@InProceedings{HuangDu08,
  author =     {Zhengli Huang and Wenliang Du},
  title =      {OptRR: Optimizing Randomized Response Schemes 
                for Privacy-Preserving Data Mining},
  booktitle =  {Proceedings of the 24th IEEE International Conference on Data 
                Engineering (ICDE)},
  pages =      {705-714},
  address =    {Cancun, Mexico},
  month =      {April 7-12},
  year =       {2008}
}