Automatic Grammar Induction and Parsing Free Text: A Transformation-Based Approach Eric Brill author 1993-06 text 31st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Columbus, Ohio, USA conference publication brill-1993-automatic-grammar 10.3115/981574.981609 https://aclanthology.org/P93-1035/ 1993-06 259 265