Towards History-based Grammars: Using Richer Models for Probabilistic Parsing Ezra Black author Fred Jelinek author John Lafrerty author David M Magerman author Robert Mercer author Salim Roukos author 1993-06 text 31st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Columbus, Ohio, USA conference publication black-etal-1993-towards 10.3115/981574.981579 https://aclanthology.org/P93-1005/ 1993-06 31 37