@article{registeralwaysmattersanalysisofllm,
  title = {Register Always Matters: Analysis of LLM Pretraining Data Through the Lens of Language Variation},
  author = {Amanda Myntti and Erik Henriksson and Veronika Laippala and Sampo Pyysalo},
  year = {2025},
  eprint = {2504.01542},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.01542v1},
}