Silent HMMs: Generalized Representation of Hidden Semi-Markov Models and Hierarchical HMMs Kei Wakabayashi author 2019-09 text Proceedings of the 14th International Conference on Finite-State Methods and Natural Language Processing Heiko Vogler editor Andreas Maletti editor Association for Computational Linguistics Dresden, Germany conference publication wakabayashi-2019-silent 10.18653/v1/W19-3113 https://aclanthology.org/W19-3113/ 2019-09 98 107