@inproceedings{ijcai2016p529,
  title     = {Identifying Key Observers to Find Popular Information in Advance},
  author    = {Konishi, Takuya and Iwata, Tomoharu and Hayashi, Kohei and Kawarabayashi, Ken-ichi},
  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     = {3761--3766},
  year      = {2016},
  month     = {7},
  url       = {https://ijcai.org/proceedings/2016/529},
}