@article{horizonbenchlonghorizonpersonalizationwi,
  title = {HorizonBench: Long-Horizon Personalization with Evolving Preferences},
  author = {Shuyue Stella Li and Bhargavi Paranjape and Kerem Oktar and Zhongyao Ma and Gelin Zhou and Lin Guan and Na Zhang and Sem Park and Lin Chen and Diyi Yang and Yulia Tsvetkov and Asli Celikyilmaz},
  year = {2026},
  eprint = {2604.17283},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.17283},
}