@article{multistageretrievalforoperational,
  title = {Multi-Stage Retrieval for Operational Technology Cybersecurity Compliance Using Large Language Models: A Railway Casestudy},
  author = {Regan Bolton and Mohammadreza Sheikhfathollahi and Simon Parkinson and Dan Basher and Howard Parkinson},
  year = {2025},
  eprint = {2504.14044},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.14044v1},
}