Viterbi Training for PCFGs: Hardness Results and Competitiveness of Uniform Initialization Shay Cohen author Noah A Smith author 2010-07 text Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics Jan Hajič editor Sandra Carberry editor Stephen Clark editor Joakim Nivre editor Association for Computational Linguistics Uppsala, Sweden conference publication cohen-smith-2010-viterbi https://aclanthology.org/P10-1152/ 2010-07 1502 1511