Two-Character Chinese Word Extraction Based on Hybrid of Internal and Contextual Measures Shengfen Luo author Maosong Sun author 2003-07 text Proceedings of the Second SIGHAN Workshop on Chinese Language Processing Association for Computational Linguistics Sapporo, Japan conference publication luo-sun-2003-two 10.3115/1119250.1119254 https://aclanthology.org/W03-1704/ 2003-07 24 30