damo_nlp at MEDIQA 2021: Knowledge-based Preprocessing and Coverage-oriented Reranking for Medical Question Summarization Yifan He author Mosha Chen author Songfang Huang author 2021-06 text Proceedings of the 20th Workshop on Biomedical Language Processing Dina Demner-Fushman editor Kevin Bretonnel Cohen editor Sophia Ananiadou editor Junichi Tsujii editor Association for Computational Linguistics Online conference publication he-etal-2021-damo 10.18653/v1/2021.bionlp-1.12 https://aclanthology.org/2021.bionlp-1.12/ 2021-06 112 118