SweetieChat: A Strategy-Enhanced Role-playing Framework for Diverse Scenarios Handling Emotional Support Agent Jing Ye author Lu Xiang author Yaping Zhang author Chengqing Zong author 2025-01 text Proceedings of the 31st International Conference on Computational Linguistics Owen Rambow editor Leo Wanner editor Marianna Apidianaki editor Hend Al-Khalifa editor Barbara Di Eugenio editor Steven Schockaert editor Association for Computational Linguistics Abu Dhabi, UAE conference publication ye-etal-2025-sweetiechat https://aclanthology.org/2025.coling-main.312/ 2025-01 4646 4669