Towards Few-shot Fact-Checking via Perplexity Nayeon Lee author Yejin Bang author Andrea Madotto author Pascale Fung author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication lee-etal-2021-towards 10.18653/v1/2021.naacl-main.158 https://aclanthology.org/2021.naacl-main.158/ 2021-06 1971 1981