Data mining Mandarin tone contour shapes Shuo Zhang author 2019-08 text Proceedings of the 16th Workshop on Computational Research in Phonetics, Phonology, and Morphology Garrett Nicolai editor Ryan Cotterell editor Association for Computational Linguistics Florence, Italy conference publication zhang-2019-data 10.18653/v1/W19-4217 https://aclanthology.org/W19-4217/ 2019-08 144 153