Unified Grid Tagging Scheme for Aspect Sentiment Quad Prediction Guixin Su author Yongcheng Zhang author Tongguan Wang author Mingmin Wu author Ying Sha 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 su-etal-2025-unified https://aclanthology.org/2025.coling-main.269/ 2025-01 3997 4010