Improving Neural Abstractive Document Summarization with Structural Regularization Wei Li author Xinyan Xiao author Yajuan Lyu author Yuanzhuo Wang 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 li-etal-2018-improving-neural 10.18653/v1/D18-1441 https://aclanthology.org/D18-1441/ 2018-oct-nov 4078 4087