1) Qingyu Zhou, Nan Yang, Furu Wei, Chuanqi Tan,Hangbo Bao, and Ming Zhou. 2017. Neural ques-tion generation from text: A preliminary study.InNational CCF Conference on Natural LanguageProcessing and Chinese Computing, pages 662–671.Springer.
2) Linfeng Song, Zhiguo Wang, and Wael Hamza. 2017.A unified query-based generative model for questiongeneration and question answering.arXiv preprintarXiv:1709.01058
3) Yanghoon Kim, Hwanhee Lee, Joongbo Shin, and Ky-omin Jung. 2018. Improving neural question gen-eration using answer separation.arXiv preprintarXiv:1809.02393
4) Bang Liu, Mingjun Zhao, Di Niu, Kunfeng Lai,Yancheng He, Haojie Wei, and Yu Xu. 2019. Learn-ing to generate questions by learning what not togenerate.arXiv preprint arXiv:1902.10418
5) Question generation for question answering N Duan, D Tang, P Chen, M Zhou - … of the 2017 Conference on Empirical …, 2017 - aclweb.org
6) P. Li, C. Chen, W. Zheng, Y. Deng, F. Ye and Z. Zheng, "STD: An Automatic Evaluation Metric for Machine Translation Based on Word Embeddings," in IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 27, no. 10, pp. 1497-1506, Oct. 2019.