Bias in Large Language Models: Origin, Evaluation, and Mitigation

Fuente: arXiv
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Autori principali: Guo, Yufei, Guo, Muzhe, Su, Juntao, Yang, Zhou, Zhu, Mengqiu, Li, Hongfei, Qiu, Mengyang, Liu, Shuo Shuo
Natura: Preprint
Pubblicazione: 2024
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author Guo, Yufei
Guo, Muzhe
Su, Juntao
Yang, Zhou
Zhu, Mengqiu
Li, Hongfei
Qiu, Mengyang
Liu, Shuo Shuo
author_facet Guo, Yufei
Guo, Muzhe
Su, Juntao
Yang, Zhou
Zhu, Mengqiu
Li, Hongfei
Qiu, Mengyang
Liu, Shuo Shuo
contents Large Language Models (LLMs) have revolutionized natural language processing, but their susceptibility to biases poses significant challenges. This comprehensive review examines the landscape of bias in LLMs, from its origins to current mitigation strategies. We categorize biases as intrinsic and extrinsic, analyzing their manifestations in various NLP tasks. The review critically assesses a range of bias evaluation methods, including data-level, model-level, and output-level approaches, providing researchers with a robust toolkit for bias detection. We further explore mitigation strategies, categorizing them into pre-model, intra-model, and post-model techniques, highlighting their effectiveness and limitations. Ethical and legal implications of biased LLMs are discussed, emphasizing potential harms in real-world applications such as healthcare and criminal justice. By synthesizing current knowledge on bias in LLMs, this review contributes to the ongoing effort to develop fair and responsible AI systems. Our work serves as a comprehensive resource for researchers and practitioners working towards understanding, evaluating, and mitigating bias in LLMs, fostering the development of more equitable AI technologies.
format Preprint
id arxiv_https___arxiv_org_abs_2411_10915
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Bias in Large Language Models: Origin, Evaluation, and Mitigation
Guo, Yufei
Guo, Muzhe
Su, Juntao
Yang, Zhou
Zhu, Mengqiu
Li, Hongfei
Qiu, Mengyang
Liu, Shuo Shuo
Computation and Language
Machine Learning
Large Language Models (LLMs) have revolutionized natural language processing, but their susceptibility to biases poses significant challenges. This comprehensive review examines the landscape of bias in LLMs, from its origins to current mitigation strategies. We categorize biases as intrinsic and extrinsic, analyzing their manifestations in various NLP tasks. The review critically assesses a range of bias evaluation methods, including data-level, model-level, and output-level approaches, providing researchers with a robust toolkit for bias detection. We further explore mitigation strategies, categorizing them into pre-model, intra-model, and post-model techniques, highlighting their effectiveness and limitations. Ethical and legal implications of biased LLMs are discussed, emphasizing potential harms in real-world applications such as healthcare and criminal justice. By synthesizing current knowledge on bias in LLMs, this review contributes to the ongoing effort to develop fair and responsible AI systems. Our work serves as a comprehensive resource for researchers and practitioners working towards understanding, evaluating, and mitigating bias in LLMs, fostering the development of more equitable AI technologies.
title Bias in Large Language Models: Origin, Evaluation, and Mitigation
topic Computation and Language
Machine Learning
url https://arxiv.org/abs/2411.10915