@inproceedings{ijcai2017p413,
  author    = {Wei Wang and Xiang-Yu Guo and Shao-Yuan Li and Yuan Jiang and Zhi-Hua Zhou},
  title     = {Obtaining High-Quality Label by Distinguishing between Easy and Hard Items in Crowdsourcing},
  booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on
               Artificial Intelligence, {IJCAI-17}},
  pages     = {2964--2970},
  year      = {2017},
  doi       = {10.24963/ijcai.2017/413},
  url       = {https://doi.org/10.24963/ijcai.2017/413},
}