@inproceedings{community:snas09,
  title = {Geographic Community Analysis of Mobile Social Networks},
  author = {Nan Li and Guanling Chen},
  booktitle = {Proceedings of the Workshop on Social Networks, Applications, and Systems (SNAS)},
  year = 2009,
  month = aug,
  address = {Boston, MA},
  url = {http://www.cs.uml.edu/~glchen/papers/msn-community.pdf},
}