Training Factored PCFGs with Expectation Propagation David Hall author Dan Klein author 2012-07 text Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning Jun’ichi Tsujii editor James Henderson editor Marius Paşca editor Association for Computational Linguistics Jeju Island, Korea conference publication hall-klein-2012-training https://aclanthology.org/D12-1105/ 2012-07 1146 1156