UR2N: Unified Retriever and ReraNker Riyaz Ahmad Bhat author Jaydeep Sen author Rudra Murthy author Vignesh P author 2025-01 text Proceedings of the 31st International Conference on Computational Linguistics: Industry Track Owen Rambow editor Leo Wanner editor Marianna Apidianaki editor Hend Al-Khalifa editor Barbara Di Eugenio editor Steven Schockaert editor Kareem Darwish editor Apoorv Agarwal editor Association for Computational Linguistics Abu Dhabi, UAE conference publication bhat-etal-2025-ur2n https://aclanthology.org/2025.coling-industry.51/ 2025-01 595 602