@article{difficultyawaresemanticidoptimizationfor,
  title = {Difficulty-Aware Semantic-ID Optimization for Generative Recommendation},
  author = {Xin Yu and Stephen Li and Sina Aghaei and Zifan Zhu and Jiamu Bai and Guanjie Huang and Bo Peng and Yiyao Liu and Lingzhou Xue},
  year = {2026},
  eprint = {2608.20611},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.20611},
}