A Unicode Based Adaptive Segmentor Q Lu author S T Chan author R F Xu author T S Chiu author B L Li author S W Yu author 2003-07 text Proceedings of the Second SIGHAN Workshop on Chinese Language Processing Association for Computational Linguistics Sapporo, Japan conference publication lu-etal-2003-unicode 10.3115/1119250.1119275 https://aclanthology.org/W03-1725/ 2003-07 164 167