Unveiling the Lexical Sensitivity of LLMs: Combinatorial Optimization for Prompt Enhancement Pengwei Zhan author Zhen Xu author Qian Tan author Jie Song author Ru Xie author 2024-11 text Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing Yaser Al-Onaizan editor Mohit Bansal editor Yun-Nung Chen editor Association for Computational Linguistics Miami, Florida, USA conference publication zhan-etal-2024-unveiling 10.18653/v1/2024.emnlp-main.295 https://aclanthology.org/2024.emnlp-main.295/ 2024-11 5128 5154