MESAQA: A Dataset for Multi-Span Contextual and Evidence-Grounded Question Answering Jui-I Wang author Hen-Hsen Huang author Hsin-Hsi Chen 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 wang-etal-2025-mesaqa https://aclanthology.org/2025.coling-main.724/ 2025-01 10891 10901