Generalized Minimum Bayes Risk System Combination Kevin Duh author Katsuhito Sudoh author Xianchao Wu author Hajime Tsukada author Masaaki Nagata author 2011-11 text Proceedings of 5th International Joint Conference on Natural Language Processing Haifeng Wang editor David Yarowsky editor Asian Federation of Natural Language Processing Chiang Mai, Thailand conference publication duh-etal-2011-generalized https://aclanthology.org/I11-1153/ 2011-11 1356 1360