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Existing methods for evaluating large language models face challenges such as data contamination, sensitivity to prompts, and the high cost of benchmark creation. To address this, we propose a lossless data compression based evaluation…

计算与语言 · 计算机科学 2024-02-06 Yucheng Li , Yunhao Guo , Frank Guerin , Chenghua Lin

Large Language Models (LLMs) are known to exhibit social, demographic, and gender biases, often as a consequence of the data on which they are trained. In this work, we adopt a mechanistic interpretability approach to analyze how such…

计算与语言 · 计算机科学 2025-06-09 Bhavik Chandna , Zubair Bashir , Procheta Sen

Language models are pretrained on sequences that blend statistical regularities (making text fluent) with factual associations between specific tokens (knowledge of facts). While recent work suggests that the variability of their…

计算与语言 · 计算机科学 2025-10-21 Tina Behnia , Puneesh Deora , Christos Thrampoulidis

Mixture-of-Experts (MoE) is a promising way to scale up the learning capacity of large language models. It increases the number of parameters while keeping FLOPs nearly constant during inference through sparse activation. Yet, it still…

机器学习 · 计算机科学 2025-02-26 Pingzhi Li , Xiaolong Jin , Zhen Tan , Yu Cheng , Tianlong Chen

Recent research suggests that predictions made by machine-learning models can amplify biases present in the training data. When a model amplifies bias, it makes certain predictions at a higher rate for some groups than expected based on…

机器学习 · 计算机科学 2022-10-20 Melissa Hall , Laurens van der Maaten , Laura Gustafson , Maxwell Jones , Aaron Adcock

Machine learning systems exhibit diverse failure modes: unfairness toward protected groups, brittleness to spurious correlations, poor performance on minority sub-populations, which are typically studied in isolation by distinct research…

机器学习 · 计算机科学 2025-11-12 Sushant Mehta

Large Language Models have been shown to demonstrate stereotypical biases in their representations and behavior due to the discriminative nature of the data that they have been trained on. Despite significant progress in the development of…

Quantization enables efficient deployment of large language models (LLMs) in resource-constrained environments by significantly reducing memory and computation costs. While quantized LLMs often maintain performance on perplexity and…

人工智能 · 计算机科学 2025-08-28 Yao Fu , Xianxuan Long , Runchao Li , Haotian Yu , Mu Sheng , Xiaotian Han , Yu Yin , Pan Li

Recent advancements in large language models (LLMs) have shown their remarkable capacities in many NLP tasks. However, their substantial size often presents challenges for deployment. This necessitates efficient techniques for model…

计算与语言 · 计算机科学 2026-05-20 Robin Baki Davidsson , Pierre Nugues

Tokenization and transfer learning are two critical components in building state of the art time series foundation models for forecasting. In this work, we systematically study the effect of tokenizer design, specifically scaling and…

机器学习 · 计算机科学 2025-11-18 Alexis Roger , Gwen Legate , Kashif Rasul , Yuriy Nevmyvaka , Irina Rish

The benefits of most large language models come with steep and often hidden economic and environmental costs due to their resource usage inefficiency during deployment. Model quantization improves energy and memory efficiency through…

机器学习 · 计算机科学 2026-01-14 Deyu Cao , Yixin Yin , Samin Aref

This paper investigates the influence of cognitive biases on Large Language Models (LLMs) outputs. Cognitive biases, such as confirmation and availability biases, can distort user inputs through prompts, potentially leading to unfaithful…

计算与语言 · 计算机科学 2025-06-17 Yan Sun , Stanley Kok

Current datasets for unwanted social bias auditing are limited to studying protected demographic features such as race and gender. In this work, we introduce a comprehensive benchmark that is meant to capture the amplification of social…

计算与语言 · 计算机科学 2023-12-29 Manish Nagireddy , Lamogha Chiazor , Moninder Singh , Ioana Baldini

Post-Training Quantization (PTQ) is a critical strategy for efficient Large Language Models (LLMs) deployment. However, existing scaling laws primarily focus on general performance, overlooking crucial fine-grained factors and how…

计算与语言 · 计算机科学 2026-04-23 Chenxi Zhou , Pengfei Cao , Jiang Li , Bohan Yu , Jinyu Ye , Jun Zhao , Kang Liu

Facial analysis models are increasingly used in applications that have serious impacts on people's lives, ranging from authentication to surveillance tracking. It is therefore critical to develop techniques that can reveal unintended biases…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Remi Denton , Ben Hutchinson , Margaret Mitchell , Timnit Gebru , Andrew Zaldivar

Deep neural networks often rely on spurious correlations in training data, leading to biased or unfair predictions in safety-critical domains such as medicine and autonomous driving. While conventional bias mitigation typically requires…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Sai Siddhartha Chary Aylapuram , Veeraraju Elluru , Shivang Agarwal

In safety-critical applications, language models should be able to characterize their uncertainty with meaningful probabilities. Many uncertainty quantification approaches require supervised data; however, finding suitable unseen…

计算与语言 · 计算机科学 2026-05-14 Sophia Hager , Simon Zeng , Nicholas Andrews

We reveal that low-bit quantization favors undertrained large language models (LLMs) by observing that models with larger sizes or fewer training tokens experience less quantization-induced degradation (QiD) when applying low-bit…

机器学习 · 计算机科学 2024-11-28 Xu Ouyang , Tao Ge , Thomas Hartvigsen , Zhisong Zhang , Haitao Mi , Dong Yu

Since the advent of Large Language Models (LLMs), a significant area of research has focused on their intrinsic biases, particularly in political discourse. This study investigates a different but related concept, "political plasticity",…

人工智能 · 计算机科学 2026-05-12 Bruno Bianchi , Diego Tiscornia , Matias Travizano , Ariel Futoransky

In an age dominated by resource-intensive foundation models, the ability to efficiently adapt to downstream tasks is crucial. Visual Prompting (VP), drawing inspiration from the prompting techniques employed in Large Language Models (LLMs),…

机器学习 · 计算机科学 2024-03-19 Diganta Misra , Muawiz Chaudhary , Agam Goyal , Bharat Runwal , Pin Yu Chen