LenAtten: An Effective Length Controlling Unit For Text Summarization Zhongyi Yu author Zhenghao Wu author Hao Zheng author Zhe XuanYuan author Jefferson Fong author Weifeng Su author 2021-08 text Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021 Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication yu-etal-2021-lenatten 10.18653/v1/2021.findings-acl.31 https://aclanthology.org/2021.findings-acl.31/ 2021-08 363 370