Conversational Tree Search: A New Hybrid Dialog Task Dirk Väth author Lindsey Vanderlyn author Ngoc Thang Vu author 2023-05 text Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics Andreas Vlachos editor Isabelle Augenstein editor Association for Computational Linguistics Dubrovnik, Croatia conference publication vath-etal-2023-conversational 10.18653/v1/2023.eacl-main.91 https://aclanthology.org/2023.eacl-main.91/ 2023-05 1264 1280