Combining Impression Feature Representation for Multi-turn Conversational Question Answering Shaoling Jing author Shibo Hong author Dongyan Zhao author Haihua Xie author Zhi Tang author 2020-10 text eng Proceedings of the 19th Chinese National Conference on Computational Linguistics Maosong Sun editor Sujian Li editor Yue Zhang editor Yang Liu editor Chinese Information Processing Society of China Haikou, China conference publication jing-etal-2020-combining https://aclanthology.org/2020.ccl-1.80/ 2020-10 863 873