@article{whendoesdataaugmentationhelpevaluatingll,
  title = {When Does Data Augmentation Help? Evaluating LLM and Back-Translation Methods for Hausa and Fongbe NLP},
  author = {Mahounan Pericles Adjovi and Roald Eiselen and Prasenjit Mitra},
  year = {2026},
  eprint = {2604.12540},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.12540},
}