@inproceedings{cettolo-etal-2011-methods, title = "Methods for Smoothing the Optimizer Instability in {SMT}", author = "Cettolo, Mauro and Bertoldi, Nicola and Federico, Marcello", booktitle = "Proceedings of Machine Translation Summit XIII: Papers", month = sep # " 19-23", year = "2011", address = "Xiamen, China", url = "https://aclanthology.org/2011.mtsummit-papers.1/" }