Effective Adaptation of Hidden Markov Model-based Named Entity Recognizer for Biomedical Domain Dan Shen author Jie Zhang author Guodong Zhou author Jian Su author Chew-Lim Tan author 2003-07 text Proceedings of the ACL 2003 Workshop on Natural Language Processing in Biomedicine Association for Computational Linguistics Sapporo, Japan conference publication shen-etal-2003-effective 10.3115/1118958.1118965 https://aclanthology.org/W03-1307/ 2003-07 49 56