Bibtex Entry:

@inproceedings{thiagarajan2011accurate,,
   author =       "Arvind Thiagarajan and Lenin S. Ravindranath and Hari Balakrishnan and Samuel Madden and Lewis Girod",
   title =        "{Accurate, Low-Energy Trajectory Mapping for Mobile Devices}",
   booktitle =    {8th USENIX Symp. on Networked Systems Design and Implementation (NSDI)},
   year =         {2011},
   month =        {March},
   address =      {Boston, MA}
}