On the Robustness of Dialogue History Representation in Conversational Question Answering: A Comprehensive Study and a New Prompt-based Method Zorik Gekhman author Nadav Oved author Orgad Keller author Idan Szpektor author Roi Reichart author 2023 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal gekhman-etal-2023-robustness 10.1162/tacl_a_00549 https://aclanthology.org/2023.tacl-1.21/ 2023 11 351 366