@article{diachronicandsynchronicvariationinthe,
  title = {Diachronic and synchronic variation in the performance of adaptive machine learning systems: The ethical challenges},
  author = {Joshua Hatherley and Robert Sparrow},
  year = {2025},
  eprint = {2504.08861},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.08861v1},
}