中文
相关论文

相关论文: Uncertainty quantification in fine-tuned LLMs usin…

200 篇论文

Multimodal large language models (MLLMs) combine visual and textual data for tasks such as image captioning and visual question answering. Proper uncertainty calibration is crucial, yet challenging, for reliable use in areas like healthcare…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zijun Chen , Wenbo Hu , Guande He , Zhijie Deng , Zheng Zhang , Richang Hong

Large language models (LLMs) have recently shown great advances in a variety of tasks, including natural language understanding and generation. However, their use in high-stakes decision-making scenarios is still limited due to the…

计算与语言 · 计算机科学 2023-11-14 Jiefeng Chen , Jinsung Yoon , Sayna Ebrahimi , Sercan O Arik , Tomas Pfister , Somesh Jha

Uncertainty quantification in automated image analysis is highly desired in many applications. Typically, machine learning models in classification or segmentation are only developed to provide binary answers; however, quantifying the…

Large language models (LLMs) encapsulate a vast amount of factual information within their pre-trained weights, as evidenced by their ability to answer diverse questions across different domains. However, this knowledge is inherently…

人工智能 · 计算机科学 2024-01-31 Oded Ovadia , Menachem Brief , Moshik Mishaeli , Oren Elisha

Large Language Models (LLMs) often suffer from overconfidence during inference, particularly when adapted to downstream domain-specific tasks with limited data. Previous work addresses this issue by employing approximate Bayesian estimation…

机器学习 · 计算机科学 2025-01-28 Yibin Wang , Haizhou Shi , Ligong Han , Dimitris Metaxas , Hao Wang

In this study, the performance of various predictive models, including probabilistic baseline, CNN, LSTM, and finetuned LLMs, in forecasting merchant categories from financial transaction data have been evaluated. Utilizing datasets from…

信息检索 · 计算机科学 2025-02-25 Halil Ibrahim Ergul , Selim Balcisoy , Burcin Bozkaya

Low-rank adaptation is a popular parameter-efficient fine-tuning method for large language models. In this paper, we analyze the impact of low-rank updating, as implemented in LoRA. Our findings suggest that the low-rank updating mechanism…

ML models have errors when used for predictions. The errors are unknown but can be quantified by model uncertainty. When multiple ML models are trained using the same training points, their model uncertainties may be statistically…

机器学习 · 统计学 2025-09-23 Xiaoping Du

Large language models (LLMs) store vast amounts of knowledge, which often requires updates to correct factual errors, incorporate newly acquired information, or adapt model behavior. Model editing methods have emerged as efficient solutions…

计算与语言 · 计算机科学 2025-10-27 Fufang Wen , Shichang Zhang

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

Despite demonstrating impressive capabilities, Large Language Models (LLMs) still often struggle to accurately express the factual knowledge they possess, especially in cases where the LLMs' knowledge boundaries are ambiguous. To improve…

计算与语言 · 计算机科学 2025-05-26 Boyang Xue , Fei Mi , Qi Zhu , Hongru Wang , Rui Wang , Sheng Wang , Erxin Yu , Xuming Hu , Kam-Fai Wong

Low-Rank Adaptation (LoRA) has emerged as one of the most widely used parameter-efficient fine-tuning (PEFT) methods for adapting large language models (LLMs) to downstream tasks. While highly effective in single-task settings, it struggles…

计算与语言 · 计算机科学 2025-10-14 Bo Cheng , Xu Wang , Jinda Liu , Yi Chang , Yuan Wu

Fine-tuning pre-trained large language models in a parameter-efficient manner is widely studied for its effectiveness and efficiency. LoRA is one of the most widely used methods, which assumes that the optimization process is essentially…

计算与语言 · 计算机科学 2024-12-16 Changqun Li , Chaofan Ding , Kexin Luan , Xinhan Di

Low-rank adaptation (LoRA) and its variants have recently gained much interest due to their ability to avoid excessive inference costs. However, LoRA still encounters the following challenges: (1) Limitation of low-rank assumption; and (2)…

计算与语言 · 计算机科学 2024-09-26 Qibin Wang , Xiaolin Hu , Weikai Xu , Wei Liu , Jian Luan , Bin Wang

Low-rank adaptation (LoRA) and its mixture-of-experts (MOE) variants are highly effective parameter-efficient fine-tuning (PEFT) methods. However, they introduce significant latency in multi-tenant settings due to the LoRA modules and MOE…

计算与语言 · 计算机科学 2024-10-24 Jingfan Zhang , Yi Zhao , Dan Chen , Xing Tian , Huanran Zheng , Wei Zhu

Large language models are increasingly adapted to downstream tasks through fine-tuning. Full supervised fine-tuning (SFT) and parameter-efficient fine-tuning (PEFT) methods, such as Low-Rank Adaptation (LoRA), are two dominant approaches.…

计算与语言 · 计算机科学 2025-12-18 Darshita Rathore , Vineet Kumar , Chetna Bansal , Anindya Moitra

Aligned Large Language Models (LLMs) showcase remarkable versatility, capable of handling diverse real-world tasks. Meanwhile, aligned LLMs are also expected to exhibit speciality, excelling in specific applications. However, fine-tuning…

计算与语言 · 计算机科学 2025-02-25 Hengyuan Zhang , Yanru Wu , Dawei Li , Sak Yang , Rui Zhao , Yong Jiang , Fei Tan

Model-based deep learning solutions to inverse problems have attracted increasing attention in recent years as they bridge state-of-the-art numerical performance with interpretability. In addition, the incorporated prior domain knowledge…

机器学习 · 统计学 2023-09-18 Frederik Hoppe , Claudio Mayrink Verdun , Felix Krahmer , Hannah Laus , Holger Rauhut

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…

The pretrained large language models (LLMs) are finetuned with labeled data for better instruction following ability and alignment with human values. In this paper, we study the learning dynamics of LLM finetuning on reasoning tasks and…

计算与语言 · 计算机科学 2025-09-30 Zhiwen Ruan , Yun Chen , Yutao Hou , Peng Li , Yang Liu , Guanhua Chen