1. Shin, S., Lee, K.H.: Processing knowledge graph-based complex questions through question decomposition and recomposition. Inf. Sci.f. Sci. 523, 234–244 (2020)
2. Demetras, M.J., Post, K.N., Snow, C.E.: Feedback to first language learners: the role of repetitions and clarification questions. J. Child Lang. 13(2), 275–292 (1986)
3. Aliannejadi, M., Zamani, H., Crestani, F., et al.: Asking clarifying questions in open-domain information-seeking conversations. In: Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, pp. 475–484 (2019)
4. Stoyanchev, S., Liu, A., Hirschberg, J.: Towards natural clarification questions in dialogue systems. In: AISB Symposium on Questions, Discourse and Dialogue, pp. 20 (2014)
5. Guo, X., Klinger, T., Rosenbaum, C., et al.: Learning to query, reason, and answer questions on ambiguous texts. In: International Conference on Learning Representations (2017)