@article{mathcals2itstepwisesyntaxintegrationtuni,
  title = {$\mathcal{S}^2$IT: Stepwise Syntax Integration Tuning for Large Language Models in Aspect Sentiment Quad Prediction},
  author = {Bingfeng Chen and Chenjie Qiu and Yifeng Xie and Boyan Xu and Ruichu Cai and Zhifeng Hao},
  year = {2026},
  eprint = {2604.23296},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.23296},
}