@article{explorationofunrankeditemsinsafeonline,
  title = {Exploration of Unranked Items in Safe Online Learning to Re-Rank},
  author = {Hiroaki Shiino and Kaito Ariu and Kenshi Abe and Togashi Riku},
  year = {2023},
  eprint = {2305.01202},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2305.01202v1},
}