@inproceedings{BHPZ17,
  author        = {M. Backes and M. Humbert and J. Pang and Y. Zhang},
  title         = {walk2friends: {I}nferring social links from mobility profiles},
  booktitle     = {Proc.\ 24th ACM International Conference on Computer and Communications Security (CCS'17)},
  publisher     = {ACM Press},
  year          = {2017},
  pages         = {1943-1957}
}