Investigating the Factual Knowledge Boundary of Large Language Models with Retrieval Augmentation Ruiyang Ren author Yuhao Wang author Yingqi Qu author Wayne Xin Zhao author Jing Liu author Hua Wu author Ji-Rong Wen author Haifeng Wang 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 ren-etal-2025-investigating https://aclanthology.org/2025.coling-main.250/ 2025-01 3697 3715