@article{smartsearchprocessrewardguidedqueryrefin,
  title = {SmartSearch: Process Reward-Guided Query Refinement for Search Agents},
  author = {Tongyu Wen and Guanting Dong and Zhicheng Dou},
  year = {2026},
  eprint = {2601.04888},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.04888},
}