@inproceedings{guo-etal-2018-improving,
    title = "Improving Reinforcement Learning Based Image Captioning with Natural Language Prior",
    author = "Guo, Tszhang  and
      Chang, Shiyu  and
      Yu, Mo  and
      Bai, Kun",
    editor = "Riloff, Ellen  and
      Chiang, David  and
      Hockenmaier, Julia  and
      Tsujii, Jun{'}ichi",
    booktitle = "Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing",
    month = oct # "-" # nov,
    year = "2018",
    address = "Brussels, Belgium",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/D18-1083/",
    doi = "10.18653/v1/D18-1083",
    pages = "751--756"
}