Deep RL with Hierarchical Action Exploration for Dialogue Generation. - Itsugun Cho; Ryota Takahashi; Yusaku Yanase; Hiroaki Saito (CoRR, 2023)

Deep Reinforcement Learning with Hierarchical Action Exploration for Dialogue Generation. - Itsugun Cho; Ryota Takahashi; Yusaku Yanase; Hiroaki Saito (LREC/COLING, 2024)