@article{donthallucinateabstainidentifyingllm,
  title = {Don't Hallucinate, Abstain: Identifying LLM Knowledge Gaps via Multi-LLM Collaboration},
  author = {Shangbin Feng and Weijia Shi and Yike Wang and Wenxuan Ding and Vidhisha Balachandran and Yulia Tsvetkov},
  year = {2024},
  eprint = {2402.00367},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2402.00367v2},
}