@article{deeplearningbasedmethodforexpressingknow, title = {Deep Learning-based Method for Expressing Knowledge Boundary of Black-Box LLM}, author = {Haotian Sheng and Heyong Wang and Ming Hong and Hongman He and Junqiu Liu}, year = {2026}, eprint = {2602.10801}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.10801}, }