Description of the NCU Chinese Word Segmentation and Part-of-Speech Tagging for SIGHAN Bakeoff 2007 Yu-Chieh Wu author Jie-Chi Yang author Yue-Shi Lee author 2008 text Proceedings of the Sixth SIGHAN Workshop on Chinese Language Processing conference publication wu-etal-2008-description https://aclanthology.org/I08-4029/ 2008