Closed-Book Training to Improve Summarization Encoder Memory Yichen Jiang author Mohit Bansal author 2018-oct-nov text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing Ellen Riloff editor David Chiang editor Julia Hockenmaier editor Jun’ichi Tsujii editor Association for Computational Linguistics Brussels, Belgium conference publication jiang-bansal-2018-closed 10.18653/v1/D18-1440 https://aclanthology.org/D18-1440/ 2018-oct-nov 4067 4077