@article{zeroshotfaithfultextualexplanationsviadi,
  title = {Zero-Shot Faithful Textual Explanations via Directional-Derivative Influence on Predictions},
  author = {Toshinori Yamauchi and Hiroshi Kera and Kazuhiko Kawamoto},
  year = {2026},
  eprint = {2605.16877},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.16877},
}