@inproceedings{ijcai2016p356,
  title     = {A Collaborative Filtering Approach to Citywide Human Mobility Completion from Sparse Call Records},
  author    = {Fan, Zipei and Arai, Ayumi and Song, Xuan and Witayangkurn, Apichon and Kanasugi, Hiroshi and Shibasaki, Ryosuke},
  booktitle = {Proceedings of the Twenty-Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-16}},
  publisher = {AAAI Press / International Joint Conferences on Artificial Intelligence},
  editor    = {Subbarao Kambhampati},
  pages     = {2500--2505},
  year      = {2016},
  month     = {7},
  url       = {https://ijcai.org/proceedings/2016/356},
}