@INPROCEEDINGS{liu11confidant,
  author    = "Dongtao Liu and Amre Shakimov and Ramon Caceres and Alexander Varshavsky and Landon P. Cox",
  title     = "{Confidant: Protecting OSN Data without Locking it Up}",
  booktitle = "Twelfth International Middleware Conference (Middleware 2011)",
  month     = "December",
  year      = {2011}
}