@article{referencesindeedmatterreferencefree,
  title = {References Indeed Matter? Reference-Free Preference Optimization for Conversational Query Reformulation},
  author = {Doyoung Kim and YoungJun Lee and Joeun Kim and Jihwan Bang and Hwanjun Song and Susik Yoon and Jae-Gil Lee},
  year = {2025},
  eprint = {2505.06552},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2505.06552v1},
}