A Provably Correct Learning Algorithm for Latent-Variable PCFGs Shay B Cohen author Michael Collins author 2014-06 text Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Kristina Toutanova editor Hua Wu editor Association for Computational Linguistics Baltimore, Maryland conference publication cohen-collins-2014-provably 10.3115/v1/P14-1099 https://aclanthology.org/P14-1099/ 2014-06 1052 1061