arxivcs.HC2026-07-12
U-Lens: Supporting User Uncertainty Management in Long-Form LLM Responses
Yu Mei, Qingyue Zhuang, Jie Cai, Chang Liu, Zhi Zheng, Zhoutong Ye, et al.
Large language models (LLMs) are increasingly used to generate long-form answers for knowledge-intensive tasks, but users often struggle to decide which parts of a response deserve scrutiny, why they may be unreliable, and what to do next. Prior work on uncertainty communication…