A Unified Statistical Model for the Identification of English BaseNP Endong Xun author Changning Huang author Ming Zhou author 2000-10 text Proceedings of the 38th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Hong Kong conference publication xun-etal-2000-unified 10.3115/1075218.1075233 https://aclanthology.org/P00-1015/ 2000-10 109 116