@inproceedings{sgi09:sybilquery:ubicomp2009,
  author = {Pravin Shankar and Vinod Ganapathy and Liviu Iftode},
  title = {Privately Querying Location-based Services with SybilQuery},
  booktitle = {UbiComp'09: Proceedings of the 11th International Conference on Ubiquitous Computing},
  month = {September/October},
  year = {2009},
  pages = {31--40},
  address = {Orlando, Florida},
  note = {http://doi.acm.org/10.1145/1620545.1620550},
  publisher = {ACM Press, New York, NY, USA}
}