An Unsupervised Parameter Estimation Algorithm for a Generative Dependency N-gram Language Model Chenchen Ding author Mikio Yamamoto author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication ding-yamamoto-2013-unsupervised https://aclanthology.org/I13-1059/ 2013-10 516 524