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Recent advancements in language models (LMs) have gained substantial attentions on their capability to generate human-like responses. Though exhibiting a promising future for various applications such as conversation AI, these LMs face…

机器学习 · 计算机科学 2023-09-14 Yufei Li , Zexin Li , Wei Yang , Cong Liu

Vision-Language Models (VLMs) have achieved remarkable progress in complex visual understanding across scientific and reasoning tasks. While performance benchmarking has advanced our understanding of these capabilities, the critical…

人工智能 · 计算机科学 2026-01-27 Asif Azad , Mohammad Sadat Hossain , MD Sadik Hossain Shanto , M Saifur Rahman , Md Rizwan Parvez

We present an automatic large language model (LLM) conversion approach that produces uncertainty-aware LLMs capable of estimating uncertainty with every prediction. Our approach is model- and data-agnostic, is computationally-efficient, and…

Prompt optimization algorithms for Large Language Models (LLMs) excel in multi-step reasoning but still lack effective uncertainty estimation. This paper introduces a benchmark dataset to evaluate uncertainty metrics, focusing on Answer,…

机器学习 · 计算机科学 2024-12-30 Pei-Fu Guo , Yun-Da Tsai , Shou-De Lin

Large Language Models (LLMs) are increasingly being explored across a range of reasoning tasks. However, LLMs sometimes struggle with reasoning tasks under uncertainty that are relatively easy for humans, such as planning actions in…

人工智能 · 计算机科学 2025-11-06 Ziwei Deng , Mian Deng , Chenjing Liang , Zeming Gao , Chennan Ma , Chenxing Lin , Haipeng Zhang , Songzhu Mei , Siqi Shen , Cheng Wang

Generative Large Language Models (LLMs) are widely utilized for their excellence in various tasks. However, their tendency to produce inaccurate or misleading outputs poses a potential risk, particularly in high-stakes environments.…

The advance of Large Language Models (LLMs) has greatly stimulated research interest in developing multi-modal LLM (MLLM)-based visual anomaly detection (VAD) algorithms that can be deployed in complex environments. The challenge is that in…

机器学习 · 计算机科学 2026-03-04 Congjing Zhang , Feng Lin , Xinyi Zhao , Pei Guo , Wei Li , Lin Chen , Chaoyue Zhao , Shuai Huang

Large language models (LLMs) produce outputs with varying levels of uncertainty, and, just as often, varying levels of correctness; making their practical reliability far from guaranteed. To quantify this uncertainty, we systematically…

计算与语言 · 计算机科学 2025-10-24 Christian Hobelsberger , Theresa Winner , Andreas Nawroth , Oliver Mitevski , Anna-Carolina Haensch

Large Language Models (LLMs) have been transformative across many domains. However, hallucination, i.e., confidently outputting incorrect information, remains one of the leading challenges for LLMs. This raises the question of how to…

计算与语言 · 计算机科学 2026-03-19 Toghrul Abbasli , Kentaroh Toyoda , Yuan Wang , Leon Witt , Muhammad Asif Ali , Yukai Miao , Dan Li , Qingsong Wei

Large Language Models (LLMs) excel in text generation, reasoning, and decision-making, enabling their adoption in high-stakes domains such as healthcare, law, and transportation. However, their reliability is a major concern, as they often…

计算与语言 · 计算机科学 2025-06-05 Xiaoou Liu , Tiejin Chen , Longchao Da , Chacha Chen , Zhen Lin , Hua Wei

Multimodal aspect-based sentiment analysis (MABSA) aims to identify aspect-level sentiments by jointly modeling textual and visual information, which is essential for fine-grained opinion understanding in social media. Existing approaches…

计算与语言 · 计算机科学 2026-01-13 Zhongzheng Wang , Yuanhe Tian , Hongzhi Wang , Yan Song

Model-based reinforcement learning has the potential to be more sample efficient than model-free approaches. However, existing model-based methods are vulnerable to model bias, which leads to poor generalization and asymptotic performance…

机器学习 · 计算机科学 2019-06-27 Tung-Long Vuong , Kenneth Tran

With the rapid development of the internet, the richness of User-Generated Contentcontinues to increase, making Multimodal Aspect-Based Sentiment Analysis (MABSA) a research hotspot. Existing studies have achieved certain results in MABSA,…

人工智能 · 计算机科学 2024-10-21 Xiaoyong Huang , Heli Sun , Qunshu Gao , Wenjie Huang , Ruichen Cao

Neural Linear Models (NLM) are deep Bayesian models that produce predictive uncertainties by learning features from the data and then performing Bayesian linear regression over these features. Despite their popularity, few works have…

机器学习 · 统计学 2021-12-17 Sujay Thakur , Cooper Lorsung , Yaniv Yacoby , Finale Doshi-Velez , Weiwei Pan

To facilitate robust and trustworthy deployment of large language models (LLMs), it is essential to quantify the reliability of their generations through uncertainty estimation. While recent efforts have made significant advancements by…

计算与语言 · 计算机科学 2025-07-22 Rui Li , Jing Long , Muge Qi , Heming Xia , Lei Sha , Peiyi Wang , Zhifang Sui

Recent advancements in multi-modal large language models (MLLMs) have led to substantial improvements in visual understanding, primarily driven by sophisticated modality alignment strategies. However, predominant approaches prioritize…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Jinjin Xu , Liwu Xu , Yuzhe Yang , Xiang Li , Fanyi Wang , Yanchun Xie , Yi-Jie Huang , Yaqian Li

Multi-Agent Systems (MAS) built on Large Language Models (LLMs) often exhibit high variance in their reasoning trajectories. Process verification, which evaluates intermediate steps in trajectories, has shown promise in general reasoning…

人工智能 · 计算机科学 2026-02-04 Vishal Venkataramani , Haizhou Shi , Zixuan Ke , Austin Xu , Xiaoxiao He , Yingbo Zhou , Semih Yavuz , Hao Wang , Shafiq Joty

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

Multimodal Sentiment Analysis (MSA) is an important research area that aims to understand and recognize human sentiment through multiple modalities. The complementary information provided by multimodal fusion promotes better sentiment…

Large language models (LLMs) integrated into multistep agent systems enable complex decision-making processes across various applications. However, their outputs often lack reliability, making uncertainty estimation crucial. Existing…

计算与语言 · 计算机科学 2024-12-03 Qiwei Zhao , Xujiang Zhao , Yanchi Liu , Wei Cheng , Yiyou Sun , Mika Oishi , Takao Osaki , Katsushi Matsuda , Huaxiu Yao , Haifeng Chen