Iterative Multilingual Spectral Attribute Erasure

Fuente: arXiv
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Auteurs principaux: Shao, Shun, Ziser, Yftah, Zhao, Zheng, Qiu, Yifu, Cohen, Shay B., Korhonen, Anna
Format: Preprint
Publié: 2025
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author Shao, Shun
Ziser, Yftah
Zhao, Zheng
Qiu, Yifu
Cohen, Shay B.
Korhonen, Anna
author_facet Shao, Shun
Ziser, Yftah
Zhao, Zheng
Qiu, Yifu
Cohen, Shay B.
Korhonen, Anna
contents Multilingual representations embed words with similar meanings to share a common semantic space across languages, creating opportunities to transfer debiasing effects between languages. However, existing methods for debiasing are unable to exploit this opportunity because they operate on individual languages. We present Iterative Multilingual Spectral Attribute Erasure (IMSAE), which identifies and mitigates joint bias subspaces across multiple languages through iterative SVD-based truncation. Evaluating IMSAE across eight languages and five demographic dimensions, we demonstrate its effectiveness in both standard and zero-shot settings, where target language data is unavailable, but linguistically similar languages can be used for debiasing. Our comprehensive experiments across diverse language models (BERT, LLaMA, Mistral) show that IMSAE outperforms traditional monolingual and cross-lingual approaches while maintaining model utility.
format Preprint
id arxiv_https___arxiv_org_abs_2506_11244
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Iterative Multilingual Spectral Attribute Erasure
Shao, Shun
Ziser, Yftah
Zhao, Zheng
Qiu, Yifu
Cohen, Shay B.
Korhonen, Anna
Computation and Language
Multilingual representations embed words with similar meanings to share a common semantic space across languages, creating opportunities to transfer debiasing effects between languages. However, existing methods for debiasing are unable to exploit this opportunity because they operate on individual languages. We present Iterative Multilingual Spectral Attribute Erasure (IMSAE), which identifies and mitigates joint bias subspaces across multiple languages through iterative SVD-based truncation. Evaluating IMSAE across eight languages and five demographic dimensions, we demonstrate its effectiveness in both standard and zero-shot settings, where target language data is unavailable, but linguistically similar languages can be used for debiasing. Our comprehensive experiments across diverse language models (BERT, LLaMA, Mistral) show that IMSAE outperforms traditional monolingual and cross-lingual approaches while maintaining model utility.
title Iterative Multilingual Spectral Attribute Erasure
topic Computation and Language
url https://arxiv.org/abs/2506.11244