@article{utilitypreservingdeidentificationformath,
  title = {Utility-Preserving De-Identification for Math Tutoring: Investigating Numeric Ambiguity in the MathEd-PII Benchmark Dataset},
  author = {Zhuqian Zhou and Kirk Vanacore and Bakhtawar Ahtisham and Jinsook Lee and Doug Pietrzak and Daryl Hedley and Jorge Dias and Chris Shaw and Ruth Schäfer and René F. Kizilcec},
  year = {2026},
  eprint = {2602.16571},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.16571},
}