@inproceedings{shi-etal-2021-cast,
    title = "{CAST}: Enhancing Code Summarization with Hierarchical Splitting and Reconstruction of Abstract Syntax Trees",
    author = "Shi, Ensheng  and
      Wang, Yanlin  and
      Du, Lun  and
      Zhang, Hongyu  and
      Han, Shi  and
      Zhang, Dongmei  and
      Sun, Hongbin",
    editor = "Moens, Marie-Francine  and
      Huang, Xuanjing  and
      Specia, Lucia  and
      Yih, Scott Wen-tau",
    booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing",
    month = nov,
    year = "2021",
    address = "Online and Punta Cana, Dominican Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2021.emnlp-main.332/",
    doi = "10.18653/v1/2021.emnlp-main.332",
    pages = "4053--4062"
}