Chinese Answer Extraction Based on POS Tree and Genetic Algorithm Shuihua Li author Xiaoming Zhang author Zhoujun Li author 2017-12 text Proceedings of the 9th SIGHAN Workshop on Chinese Language Processing Yue Zhang editor Zhifang Sui editor Association for Computational Linguistics Taiwan conference publication li-etal-2017-chinese https://aclanthology.org/W17-6004/ 2017-12 30 36