LOT: A Story-Centric Benchmark for Evaluating Chinese Long Text Understanding and Generation Jian Guan author Zhuoer Feng author Yamei Chen author Ruilin He author Xiaoxi Mao author Changjie Fan author Minlie Huang author 2022 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal guan-etal-2022-lot 10.1162/tacl_a_00469 https://aclanthology.org/2022.tacl-1.25/ 2022 10 434 451