Differentiable Multi-Agent Actor-Critic for Multi-Step Radiology Report Summarization Sanjeev Kumar Karn author Ning Liu author Hinrich Schuetze author Oladimeji Farri author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication karn-etal-2022-differentiable 10.18653/v1/2022.acl-long.109 https://aclanthology.org/2022.acl-long.109/ 2022-05 1542 1553