LASS: A Novel and Economical Data Augmentation Framework Based on Language Models for Debiasing Opinion Summarization Yanyue Zhang author Pengfei Li author Yilong Lai author Yulan He author Deyu Zhou 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 zhang-etal-2025-lass https://aclanthology.org/2025.coling-main.412/ 2025-01 6169 6183