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        <title>Language Bias in Multilingual Information Retrieval: The Nature of the Beast and Mitigation Methods</title>
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            <title>Proceedings of the Fourth Workshop on Multilingual Representation Learning (MRL 2024)</title>
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    <abstract>Language fairness in multilingual information retrieval (MLIR) systems is crucial for ensuring equitable access to information across diverse languages. This paper sheds light on the issue, based on the assumption that queries in different languages, but with identical semantics, should yield equivalent ranking lists when retrieving on the same multilingual documents. We evaluate the degree of fairness using both traditional retrieval methods, and a DPR neural ranker based on mBERT and XLM-R. Additionally, we introduce ‘LaKDA’, a novel loss designed to mitigate language biases in neural MLIR approaches. Our analysis exposes intrinsic language biases in current MLIR technologies, with notable disparities across the retrieval methods, and the effectiveness of LaKDA in enhancing language fairness.</abstract>
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        <url>https://aclanthology.org/2024.mrl-1.23</url>
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%0 Conference Proceedings
%T Language Bias in Multilingual Information Retrieval: The Nature of the Beast and Mitigation Methods
%A Yang, Jinrui
%A Jiang, Fan
%A Baldwin, Timothy
%Y Sälevä, Jonne
%Y Owodunni, Abraham
%S Proceedings of the Fourth Workshop on Multilingual Representation Learning (MRL 2024)
%D 2024
%8 November
%I Association for Computational Linguistics
%C Miami, Florida, USA
%F yang-etal-2024-language-bias
%X Language fairness in multilingual information retrieval (MLIR) systems is crucial for ensuring equitable access to information across diverse languages. This paper sheds light on the issue, based on the assumption that queries in different languages, but with identical semantics, should yield equivalent ranking lists when retrieving on the same multilingual documents. We evaluate the degree of fairness using both traditional retrieval methods, and a DPR neural ranker based on mBERT and XLM-R. Additionally, we introduce ‘LaKDA’, a novel loss designed to mitigate language biases in neural MLIR approaches. Our analysis exposes intrinsic language biases in current MLIR technologies, with notable disparities across the retrieval methods, and the effectiveness of LaKDA in enhancing language fairness.
%U https://aclanthology.org/2024.mrl-1.23
%P 280-292

Markdown (Informal)

[Language Bias in Multilingual Information Retrieval: The Nature of the Beast and Mitigation Methods](https://aclanthology.org/2024.mrl-1.23) (Yang et al., MRL 2024)

• Language Bias in Multilingual Information Retrieval: The Nature of the Beast and Mitigation Methods (Yang et al., MRL 2024)

ACL

• Jinrui Yang, Fan Jiang, and Timothy Baldwin. 2024. Language Bias in Multilingual Information Retrieval: The Nature of the Beast and Mitigation Methods. In Proceedings of the Fourth Workshop on Multilingual Representation Learning (MRL 2024), pages 280–292, Miami, Florida, USA. Association for Computational Linguistics.