1. Anand, A., Cavedon, L., Joho, H., Sanderson, M., Stein, B.: Conversational search (Dagstuhl Seminar 19461). In: Dagstuhl Reports, vol. 9 (2020)
2. Banerjee, S., Lavie, A.: METEOR: an automatic metric for MT evaluation with improved correlation with human judgments. In: Proceedings of the ACL Workshop on Intrinsic and Extrinsic Evaluation Measures for Machine Translation and/or Summarization, pp. 65–72 (2005)
3. Bangalore, S., Di Fabbrizio, G., Stent, A.: Learning the structure of task-driven human-human dialogs. IEEE Trans. Audio Speech Lang. Process. 16(7), 1249–1259 (2008)
4. Banks, D., Over, P., Zhang, N.F.: Blind men and elephants: six approaches to TREC data. Inf. Retriev. J. 1(1–2), 7–34 (1999)
5. Culpepper, J.S., Faggioli, G., Ferro, N., Kurland, O.: Topic difficulty: collection and query formulation effects. ACM Trans. Inf. Syst. 40(1), 1–36 (2021)