@article{lettotlabelfreeevaluationoflargelanguage,
  title = {LETToT: Label-Free Evaluation of Large Language Models On Tourism Using Expert Tree-of-Thought},
  author = {Ruiyan Qi and Congding Wen and Weibo Zhou and Jiwei Li and Shangsong Liang and Lingbo Li},
  year = {2025},
  eprint = {2508.11280},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2508.11280},
}