@InProceedings{cohen-smith:2010:ACL, author = {Cohen, Shay and Smith, Noah A.}, title = {Viterbi Training for PCFGs: Hardness Results and Competitiveness of Uniform Initialization}, booktitle = {Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics}, month = {July}, year = {2010}, address = {Uppsala, Sweden}, publisher = {Association for Computational Linguistics}, pages = {1502--1511}, url = {http://www.aclweb.org/anthology/P10-1152} }