@InProceedings{397,
  title = {An Effective Tracking Technique of Public Transportation toward Passenger Generated Vehicle Location System},
  author = {Masaki Ito and Toshihiko Sasama and Takao Kawamura and Kazunori Sugahara},
  booktitle = {Proceedings of the 13th ACM International Conference on Ubiquitous Computing (Ubicomp 2011)},
  pages = {551--552},
  year = {2011},
  month = {9},
  note = {Beijing, China}
}