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home / papers / 2026 / Reasoning About Gender: How Source Text Strategies Impact Italian–to-German Machine Translation Beyond the Binary

Reasoning About Gender: How Source Text Strategies Impact Italian–to-German Machine Translation Beyond the Binary

Summary

This study asks whether gender-fair choices in Italian source texts make it easier for LLMs to produce German translations that go beyond the masculine/feminine binary. The authors built a controlled test set of administrative and legal sentences, motivated by bilingual translation practice in South Tyrol. It covers 12 binary and non-binary source strategies, such as split forms, collective and invariable nouns, the schwa and the asterisk. They compared a reasoning model (R1) with a standard-inference model (V3). They also proposed an automatic evaluator that sorts outputs into four classes: non-binary, binary-gendered, single-gendered and incoherent. Both translations and evaluations were checked by humans.

Reasoning helped the model move binary inputs toward non-binary German. It also handled epicenes, neomorphemes and special characters better, and it reformulated through neutralization, visibility devices or paraphrase. However, reasoning did not improve consistency within sentences or the accuracy of the automatic evaluation. These findings give practical guidance on which source strategies to choose when gender-inclusive output is required.

Key points

  • Test set: 12 gender-fair strategies, each with at least 20 sentences drawn from administrative and legal language.
  • Evaluation framework: four output categories (non-binary, binary-gendered, single-gendered, incoherent), with human analysis used to test whether reasoning makes the automatic judgments more reliable. It did not.
  • Vanilla inference (V3): most often fell back on masculine single-gendered forms, especially for epicenes, schwa forms and invariable nouns.
  • Incoherent outputs: V3 produced 12 and R1 produced 8. Typical errors were:
    • mismatched articles and nouns;
    • redundant over-gendering;
    • Italian-style asterisks copied directly into German.
  • Most suitable source strategies: collective (COL) and invariable (INV) nouns, plus the asterisk. Neomorphemes like the schwa are discouraged without reasoning, partly because of tokenization failures.

Our summary of the paper, in our own words — not its text. The work belongs to its authors; read it at the links above.

Fields: Linguistics & languages · Machine translation

Topics: Machine translation

Cite

The paper itself, not this page. BibTeX from the library's record of the work.

@inproceedings{natale2026reasoning,
  title = {{Reasoning About Gender: How Source Text Strategies Impact Italian–to-German Machine Translation Beyond the Binary}},
  author = {Natale, Paolo Di and Schlutter, Laura and Chiocchetti, Elena and Alber, Marlies},
  booktitle = {Proceedings of the 4th Workshop on Gender-Inclusive Translation Technologies (GITT 2026)},
  year = {2026},
  url = {https://aclanthology.org/2026.gitt-1.5/}
}

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