@inproceedings{zhou_mao_2022, 
  title={Document-Level Event Argument Extraction by Leveraging Redundant Information and Closed Boundary Loss}, 
  DOI={10.18653/v1/2022.naacl-main.222}, 
  publisher={Association for Computational Linguistics}, 
  author={Zhou, Hanzhang and Mao, Kezhi}, 
  year={2022}
  }