ClusterFormer: Neural Clustering Attention for Efficient and Effective Transformer Ningning Wang author Guobing Gan author Peng Zhang author Shuai Zhang author Junqiu Wei author Qun Liu author Xin Jiang 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 wang-etal-2022-clusterformer 10.18653/v1/2022.acl-long.170 https://aclanthology.org/2022.acl-long.170/ 2022-05 2390 2402