Deep Reinforcement Learning with Hierarchical Action Exploration for Dialogue Generation Itsugun Cho author Ryota Takahashi author Yusaku Yanase author Hiroaki Saito author 2024-05 text Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024) Nicoletta Calzolari editor Min-Yen Kan editor Veronique Hoste editor Alessandro Lenci editor Sakriani Sakti editor Nianwen Xue editor ELRA and ICCL Torino, Italia conference publication cho-etal-2024-deep https://aclanthology.org/2024.lrec-main.408/ 2024-05 4566 4579