DocEE: A Large-Scale and Fine-grained Benchmark for Document-level Event Extraction. - Meihan Tong; Bin Xu 001; Shuai Wang 030; Meihuan Han; Yixin Cao 002; Jiangqi Zhu; Siyu Chen 009; Lei Hou 001; Juanzi Li (NAACL-HLT, 2022)