Inducing Compact but Accurate Tree-Substitution Grammars Trevor Cohn author Sharon Goldwater author Phil Blunsom author 2009-06 text Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics Mari Ostendorf editor Michael Collins editor Shri Narayanan editor Douglas W Oard editor Lucy Vanderwende editor Association for Computational Linguistics Boulder, Colorado conference publication cohn-etal-2009-inducing https://aclanthology.org/N09-1062/ 2009-06 548 556