Publications

@misc{zhang2026opacity,
  title = {Opacity Is Not Just Opacity},
  author = {Zhang, Chunran},
  year = {2026},
  month = sep,
  eprint = {2609.14971},
  archiveprefix = {arXiv},
  primaryclass = {cs.GR},
  doi = {10.48550/arXiv.2609.14971},
  note = {arXiv preprint}
}

@misc{zhang2026dibud,
  title = {Top-K Is Not a Budget for Hybrid Retrieval},
  author = {Zhang, Chunran},
  year = {2026},
  month = sep,
  eprint = {2609.15143},
  archiveprefix = {arXiv},
  primaryclass = {cs.IR},
  doi = {10.48550/arXiv.2609.15143},
  note = {arXiv preprint}
}

@misc{zhang2026desa,
  title = {Query Expansion Should Be Coordinated: Dense Expands, Sparse Anchors},
  author = {Zhang, Chunran},
  year = {2026},
  month = aug,
  eprint = {2608.15851},
  archiveprefix = {arXiv},
  primaryclass = {cs.IR},
  doi = {10.48550/arXiv.2608.15851},
  note = {arXiv preprint}
}

@misc{zhang2026eahr,
  title = {Exact Adaptive Hybrid Retrieval Without Fixed Top-L Cutoffs},
  author = {Zhang, Chunran},
  year = {2026},
  month = aug,
  eprint = {2608.07152},
  archiveprefix = {arXiv},
  primaryclass = {cs.IR},
  doi = {10.48550/arXiv.2608.07152},
  url = {https://doi.org/10.5281/zenodo.21968866},
  note = {arXiv preprint}
}