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Bias in Large Language Models (LLMs) significantly undermines their reliability and fairness. We focus on a common form of bias: when two reference concepts in the model's concept space, such as sentiment polarities (e.g., "positive" and…

Computation and Language · Computer Science 2025-05-22 Lang Gao , Kaiyang Wan , Wei Liu , Chenxi Wang , Zirui Song , Zixiang Xu , Yanbo Wang , Veselin Stoyanov , Xiuying Chen

Recent advancements in Vision-Language Models (VLMs) have enabled complex multimodal tasks by processing text and image data simultaneously, significantly enhancing the field of artificial intelligence. However, these models often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Hoin Jung , Taeuk Jang , Xiaoqian Wang

Warning: This paper contains examples of stereotypes and biases. Large Language Models (LLMs) exhibit considerable social biases, and various studies have tried to evaluate and mitigate these biases accurately. Previous studies use…

Computation and Language · Computer Science 2024-07-04 Rem Hida , Masahiro Kaneko , Naoaki Okazaki

We study the relationship between task-agnostic intrinsic and task-specific extrinsic social bias evaluation measures for Masked Language Models (MLMs), and find that there exists only a weak correlation between these two types of…

Computation and Language · Computer Science 2022-10-07 Masahiro Kaneko , Danushka Bollegala , Naoaki Okazaki

Large Language Models (LLMs) have fundamentally transformed the field of natural language processing; however, their vulnerability to biases presents a notable obstacle that threatens both fairness and trust. This review offers an extensive…

Computation and Language · Computer Science 2025-09-19 Kiana Kiashemshaki , Mohammad Jalili Torkamani , Negin Mahmoudi , Meysam Shirdel Bilehsavar

Large Language Models (LLMs) are prone to inheriting and amplifying societal biases embedded within their training data, potentially reinforcing harmful stereotypes related to gender, occupation, and other sensitive categories. This issue…

Computation and Language · Computer Science 2024-08-28 Atmika Gorti , Manas Gaur , Aman Chadha

Recently, the development of open-source large language models (LLMs) has advanced rapidly. Nevertheless, due to data constraints, the capabilities of most open-source LLMs are primarily focused on English. To address this issue, we…

Computation and Language · Computer Science 2024-06-10 Shih-Cheng Huang , Pin-Zu Li , Yu-Chi Hsu , Kuang-Ming Chen , Yu Tung Lin , Shih-Kai Hsiao , Richard Tzong-Han Tsai , Hung-yi Lee

Large language models (LLMs) offer significant potential as tools to support an expanding range of decision-making tasks. Given their training on human (created) data, LLMs have been shown to inherit societal biases against protected…

Artificial Intelligence · Computer Science 2024-10-07 Jessica Echterhoff , Yao Liu , Abeer Alessa , Julian McAuley , Zexue He

Although prior work on bias mitigation has focused on promoting social equality and demographic parity, less attention has been given to aligning LLM's outputs to desired distributions. For example, we might want to align a model with…

Computation and Language · Computer Science 2025-10-09 Ingroj Shrestha , Padmini Srinivasan

Normalization layers in modern large language models (LLMs) consist of a deterministic normalization operation and a learnable scale vector. While the normalization operation has been extensively studied, the scale vector remains poorly…

Machine Learning · Computer Science 2026-05-27 Mingze Wang , Shuchen Zhu , Yuxin Fang , Binghui Li , Kai Shen , Shu Zhong

Pre-trained language models (PLMs) are trained on data that inherently contains gender biases, leading to undesirable impacts. Traditional debiasing methods often rely on external corpora, which may lack quality, diversity, or demographic…

Computation and Language · Computer Science 2025-03-13 Liu Yu , Ludie Guo , Ping Kuang , Fan Zhou

Agents backed by large language models (LLMs) increasingly rely on external tools drawn from marketplaces where multiple providers offer functionally equivalent options. This raises a critical fairness concern: systematic bias in tool…

Artificial Intelligence · Computer Science 2026-03-12 Thierry Blankenstein , Jialin Yu , Zixuan Li , Vassilis Plachouras , Sunando Sengupta , Philip Torr , Yarin Gal , Alasdair Paren , Adel Bibi

Standard benchmarks of bias and fairness in large language models (LLMs) measure the association between the user attributes stated or implied by a prompt and the LLM's short text response, but human-AI interaction increasingly requires…

Computation and Language · Computer Science 2025-06-06 Kristian Lum , Jacy Reese Anthis , Kevin Robinson , Chirag Nagpal , Alexander D'Amour

Natural language processing (NLP) has seen remarkable advancements with the development of large language models (LLMs). Despite these advancements, LLMs often produce socially biased outputs. Recent studies have mainly addressed this…

Computation and Language · Computer Science 2025-02-13 Zhenjie Xu , Wenqing Chen , Yi Tang , Xuanying Li , Cheng Hu , Zhixuan Chu , Kui Ren , Zibin Zheng , Zhichao Lu

Large Language Models (LLMs) have advanced various Natural Language Processing (NLP) tasks, such as text generation and translation, among others. However, these models often generate texts that can perpetuate biases. Existing approaches to…

Computation and Language · Computer Science 2025-01-07 Shaina Raza , Oluwanifemi Bamgbose , Shardul Ghuge , Fatemeh Tavakol , Deepak John Reji , Syed Raza Bashir

Recent advancements in Artificial Intelligence, particularly in Large Language Models (LLMs), have transformed natural language processing by improving generative capabilities. However, detecting biases embedded within these models remains…

Computation and Language · Computer Science 2025-03-11 Suvendu Mohanty

Word vector representations are well developed tools for various NLP and Machine Learning tasks and are known to retain significant semantic and syntactic structure of languages. But they are prone to carrying and amplifying bias which can…

Computation and Language · Computer Science 2019-01-24 Sunipa Dev , Jeff Phillips

Large Language Models (LLMs) are being adopted across a wide range of tasks, including decision-making processes in industries where bias in AI systems is a significant concern. Recent research indicates that LLMs can harbor implicit biases…

Computation and Language · Computer Science 2024-10-18 Divyanshu Kumar , Umang Jain , Sahil Agarwal , Prashanth Harshangi

Masked language modeling (MLM) is one of the key sub-tasks in vision-language pretraining. In the cross-modal setting, tokens in the sentence are masked at random, and the model predicts the masked tokens given the image and the text. In…

Computation and Language · Computer Science 2021-09-07 Yonatan Bitton , Gabriel Stanovsky , Michael Elhadad , Roy Schwartz

Recent studies have revealed that the widely-used Pre-trained Language Models (PLMs) propagate societal biases from the large unmoderated pre-training corpora. Existing solutions require debiasing training processes and datasets for…

Computation and Language · Computer Science 2023-07-25 Somayeh Ghanbarzadeh , Yan Huang , Hamid Palangi , Radames Cruz Moreno , Hamed Khanpour