@inproceedings{choi-etal-2024-hard,
    title = "Hard Prompts Made Interpretable: Sparse Entropy Regularization for Prompt Tuning with {RL}",
    author = "Choi, Yunseon  and
      Bae, Sangmin  and
      Ban, Seonghyun  and
      Jeong, Minchan  and
      Zhang, Chuheng  and
      Song, Lei  and
      Zhao, Li  and
      Bian, Jiang  and
      Kim, Kee-Eung",
    editor = "Ku, Lun-Wei  and
      Martins, Andre  and
      Srikumar, Vivek",
    booktitle = "Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    month = aug,
    year = "2024",
    address = "Bangkok, Thailand",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2024.acl-long.449/",
    doi = "10.18653/v1/2024.acl-long.449",
    pages = "8252--8271"
}