@inproceedings{liu-etal-2023-gradually, title = "Gradually Excavating External Knowledge for Implicit Complex Question Answering", author = "Liu, Chang and Li, Xiaoguang and Shang, Lifeng and Jiang, Xin and Liu, Qun and Lam, Edmund and Wong, Ngai", editor = "Bouamor, Houda and Pino, Juan and Bali, Kalika", booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2023", month = dec, year = "2023", address = "Singapore", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2023.findings-emnlp.961/", doi = "10.18653/v1/2023.findings-emnlp.961", pages = "14405--14417" }