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Diffusion large language models (D-LLMs) have emerged as a promising alternative to auto-regressive models due to their iterative refinement capabilities. However, hallucinations remain a critical issue that hinders their reliability. To…

计算与语言 · 计算机科学 2026-03-18 Yanyu Qian , Yue Tan , Yixin Liu , Wang Yu , Shirui Pan

Knowledge distillation (KD) is a widely adopted and effective method for compressing models in object detection tasks. Particularly, feature-based distillation methods have shown remarkable performance. Existing approaches often ignore the…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Junfei Yi , Jianxu Mao , Tengfei Liu , Mingjie Li , Hanyu Gu , Hui Zhang , Xiaojun Chang , Yaonan Wang

Large Language Models (LLMs) are being increasingly deployed in real-world applications, but they remain susceptible to hallucinations, which produce fluent yet incorrect responses and lead to erroneous decision-making. Uncertainty…

机器学习 · 计算机科学 2025-12-02 Huan Ma , Jiadong Pan , Jing Liu , Yan Chen , Joey Tianyi Zhou , Guangyu Wang , Qinghua Hu , Hua Wu , Changqing Zhang , Haifeng Wang

Uncertainty estimation is important for deploying LLMs in high-stakes applications such as healthcare and finance, where hallucinations can appear fluent and plausible while being factually incorrect, making it difficult for users to judge…

机器学习 · 计算机科学 2026-05-08 Mingcheng Zhu , Yu Liu , Tingting Zhu

Uncertainty quantification in Large Language Models (LLMs) is crucial for applications where safety and reliability are important. In particular, uncertainty can be used to improve the trustworthiness of LLMs by detecting factually…

机器学习 · 计算机科学 2024-05-31 Alexander Nikitin , Jannik Kossen , Yarin Gal , Pekka Marttinen

Given the higher information load processed by large vision-language models (LVLMs) compared to single-modal LLMs, detecting LVLM hallucinations requires more human and time expense, and thus rise a wider safety concerns. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Ruiyang Zhang , Hu Zhang , Zhedong Zheng

Estimating and disentangling epistemic uncertainty, uncertainty that is reducible with more training data, and aleatoric uncertainty, uncertainty that is inherent to the task at hand, is critically important when applying machine learning…

机器学习 · 计算机科学 2024-11-08 Matthew A. Chan , Maria J. Molina , Christopher A. Metzler

Large language models (LLMs) often generate fluent but factually incorrect outputs, known as hallucinations, which undermine their reliability in real-world applications. While uncertainty estimation has emerged as a promising strategy for…

机器学习 · 计算机科学 2025-05-13 Pei-Fu Guo , Yun-Da Tsai , Shou-De Lin

Transformer-based language models have set new benchmarks across a wide range of NLP tasks, yet reliably estimating the uncertainty of their predictions remains a significant challenge. Existing uncertainty estimation (UE) techniques often…

机器学习 · 计算机科学 2024-09-18 Elizaveta Kostenok , Daniil Cherniavskii , Alexey Zaytsev

Large language models (LLMs) have revolutionized the field of natural language processing with their impressive reasoning and question-answering capabilities. However, these models are sometimes prone to generating credible-sounding but…

计算与语言 · 计算机科学 2026-04-21 Ranganath Krishnan , Piyush Khanna , Omesh Tickoo

Accurately quantifying uncertainty in large language models (LLMs) is crucial for their reliable deployment, especially in high-stakes applications. Current state-of-the-art methods for measuring semantic uncertainty in LLMs rely on strict…

机器学习 · 计算机科学 2024-10-31 Yashvir S. Grewal , Edwin V. Bonilla , Thang D. Bui

Deep ensembles deliver state-of-the-art, reliable uncertainty quantification, but their heavy computational and memory requirements hinder their practical deployments to real applications such as on-device AI. Knowledge distillation…

机器学习 · 计算机科学 2025-10-27 Sehyun Park , Jongjin Lee , Yunseop Shin , Ilsang Ohn , Yongdai Kim

A recent trend in Natural Language Processing is the exponential growth in Language Model (LM) size, which prevents research groups without a necessary hardware infrastructure from participating in the development process. This study…

计算与语言 · 计算机科学 2023-01-31 Jan Philip Wahle

Speculative decoding is an effective method for accelerating inference of large language models (LLMs) by employing a small draft model to predict the output of a target model. However, when adapting speculative decoding to domain-specific…

Large Language Models (LLMs) are valued for their strong performance across various tasks, but they also produce inaccurate or misleading outputs. Uncertainty Estimation (UE) quantifies the model's confidence and helps users assess response…

信息检索 · 计算机科学 2025-06-11 Heydar Soudani , Evangelos Kanoulas , Faegheh Hasibi

Hallucinations are a persistent problem with Large Language Models (LLMs). As these models become increasingly used in high-stakes domains, such as healthcare and finance, the need for effective hallucination detection is crucial. To this…

计算与语言 · 计算机科学 2026-01-29 Dylan Bouchard , Mohit Singh Chauhan

The ability to estimate epistemic uncertainty is often crucial when deploying machine learning in the real world, but modern methods often produce overconfident, uncalibrated uncertainty predictions. A common approach to quantify epistemic…

Deploying deep learning (DL) models in medical applications relies on predictive performance and other critical factors, such as conveying trustworthy predictive uncertainty. Uncertainty estimation (UE) methods provide potential solutions…

图像与视频处理 · 电气工程与系统科学 2024-03-26 Kudaibergen Abutalip , Numan Saeed , Ikboljon Sobirov , Vincent Andrearczyk , Adrien Depeursinge , Mohammad Yaqub

Linking textual values in tabular data to their corresponding entities in a Knowledge Base is a core task across a variety of data integration and enrichment applications. Although Large Language Models (LLMs) have shown State-of-The-Art…

计算与语言 · 计算机科学 2025-10-03 Carlo Bono , Federico Belotti , Matteo Palmonari

Knowledge distillation (KD) is a standard route to compress Large Language Models (LLMs) into compact students, yet most pipelines uniformly apply token-wise loss regardless of teacher confidence. This indiscriminate supervision amplifies…

计算与语言 · 计算机科学 2025-11-18 Haiduo Huang , Jiangcheng Song , Yadong Zhang , Pengju Ren