@INPROCEEDINGS{hightower2004particle,
  author    = "Jeffrey Hightower and Gaetano Borriello",
  title     = "Particle Filters for Location Estimation in Ubiquitous Computing: A Case Study",
  booktitle = "Proceedings of the Sixth International Conference on Ubiquitous Computing (Ubicomp 2004)",
  series    = "Lecture Notes in Computer Science",
  volume    = "3205" ,
  publisher = "Springer-Verlag" ,
  editor    = "Nigel Davies and Elizabeth Mynatt and Itiro Siio",
  month     = "September",
  pages     = "88-106",
  year      = {2004}
}