BioCopy: A Plug-And-Play Span Copy Mechanism in Seq2Seq Models Yi Liu author Guoan Zhang author Puning Yu author Jianlin Su author Shengfeng Pan author 2021-11 text Proceedings of the Second Workshop on Simple and Efficient Natural Language Processing Nafise Sadat Moosavi editor Iryna Gurevych editor Angela Fan editor Thomas Wolf editor Yufang Hou editor Ana Marasović editor Sujith Ravi editor Association for Computational Linguistics Virtual conference publication liu-etal-2021-biocopy 10.18653/v1/2021.sustainlp-1.6 https://aclanthology.org/2021.sustainlp-1.6/ 2021-11 53 57