Improved beam search with constrained softmax for NMT Xiaoguang Hu author Wei Li author Xiang Lan author Hua Wu author Haifeng Wang author 2015-oct 30 – nov 3 text Proceedings of Machine Translation Summit XV: Papers Miami, USA conference publication hu-etal-2015-improved https://aclanthology.org/2015.mtsummit-papers.23/ 2015-oct 30 – nov 3