Shifting Attention to Relevance: Towards the Predictive Uncertainty Quantification of Free-Form Large Language Models Jinhao Duan author Hao Cheng author Shiqi Wang author Alex Zavalny author Chenan Wang author Renjing Xu author Bhavya Kailkhura author Kaidi Xu author 2024-08 text Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Lun-Wei Ku editor Andre Martins editor Vivek Srikumar editor Association for Computational Linguistics Bangkok, Thailand conference publication duan-etal-2024-shifting 10.18653/v1/2024.acl-long.276 https://aclanthology.org/2024.acl-long.276/ 2024-08 5050 5063