@inproceedings{ijcai2018p70,
  title     = {Ex-post IR Dynamic Auctions with Cost-per-Action Payments},
  author    = {Weiran Shen and Zihe Wang and Song Zuo},
  booktitle = {Proceedings of the Twenty-Seventh International Joint Conference on
               Artificial Intelligence, {IJCAI-18}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  pages     = {505--511},
  year      = {2018},
  month     = {7},
  doi       = {10.24963/ijcai.2018/70},
  url       = {https://doi.org/10.24963/ijcai.2018/70},
}