Estimators for Stochastic “Unification-Based” Grammars Mark Johnson author Stuart Geman author Stephen Canon author Zhiyi Chi author Stefan Riezler author 1999-06 text Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics College Park, Maryland, USA conference publication johnson-etal-1999-estimators 10.3115/1034678.1034758 https://aclanthology.org/P99-1069/ 1999-06 535 541