@inproceedings{xu-etal-2021-learning-hard-retrieval,
    title = "Learning Hard Retrieval Decoder Attention for Transformers",
    author = "Xu, Hongfei  and
      Liu, Qiuhui  and
      van Genabith, Josef  and
      Xiong, Deyi",
    editor = "Moens, Marie-Francine  and
      Huang, Xuanjing  and
      Specia, Lucia  and
      Yih, Scott Wen-tau",
    booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2021",
    month = nov,
    year = "2021",
    address = "Punta Cana, Dominican Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.findings-emnlp.67/",
    doi = "10.18653/v1/2021.findings-emnlp.67",
    pages = "779--785"
}