Document Modeling with External Attention for Sentence Extraction Shashi Narayan author Ronald Cardenas author Nikos Papasarantopoulos author Shay B Cohen author Mirella Lapata author Jiangsheng Yu author Yi Chang author 2018-07 text Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Iryna Gurevych editor Yusuke Miyao editor Association for Computational Linguistics Melbourne, Australia conference publication narayan-etal-2018-document 10.18653/v1/P18-1188 https://aclanthology.org/P18-1188/ 2018-07 2020 2030