@INPROCEEDINGS{isaacman11places,
  author    = "Sibren Isaacman and Richard Becker and Ramon Caceres and Stephen Kobourov and Margaret Martonosi and James Rowland and Alexander Varshavsky",
  title     = "{Identifying Important Places in People's Lives from Cellular Network Data}",
  booktitle = "Proceedings of the Ninth International Conference on Pervasive Computing (Pervasive 2011)",
  month     = "June",
  year      = {2011}
}