Named Entity Recognition in Biomedical Texts using an HMM Model Shaojun Zhao author 2004-aug 28th and 29th text Proceedings of the International Joint Workshop on Natural Language Processing in Biomedicine and its Applications (NLPBA/BioNLP) Nigel Collier editor Patrick Ruch editor Adeline Nazarenko editor COLING Geneva, Switzerland conference publication zhao-2004-named https://aclanthology.org/W04-1216/ 2004-aug 28th and 29th 87 90