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Large language models are often adapted using parameter-efficient techniques such as Low-Rank Adaptation (LoRA), formulated as $y = W_0x + BAx$, where $W_0$ is the pre-trained parameters and $x$ is the input to the adapted layer. While…

机器学习 · 计算机科学 2026-04-28 Hao Ban , Kaiyi Ji

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…

Parameter-efficient fine-tuning techniques like Low-Rank Adaptation (LoRA) have revolutionized the adaptation of large language models (LLMs) to diverse tasks. Recent efforts have explored mixtures of LoRA modules for multi-task settings.…

计算与语言 · 计算机科学 2024-08-06 Lin Ning , Harsh Lara , Meiqi Guo , Abhinav Rastogi

Low-rank adaptation (LoRA) has been developed as an efficient approach for adapting large language models (LLMs) by fine-tuning two low-rank matrices, thereby reducing the number of trainable parameters. However, prior research indicates…

计算与语言 · 计算机科学 2026-04-13 Lin Mu , Xiaoyu Wang , Li Ni , Yang Li , Zhize Wu , Peiquan Jin , Yiwen Zhang

Instruction fine-tuning of large language models (LLMs) is a powerful method for improving task-specific performance, but it can inadvertently lead to a phenomenon where models generate harmful responses when faced with malicious prompts.…

计算与语言 · 计算机科学 2025-08-13 Satya Swaroop Gudipudi , Sreeram Vipparla , Harpreet Singh , Shashwat Goel , Ponnurangam Kumaraguru

Low-Rank Adaptation (LoRA) is a widely used finetuning method for large models. Its small memory footprint allows practitioners to adapt large models to specific tasks at a fraction of the cost of full finetuning. Different modifications…

机器学习 · 计算机科学 2025-06-26 Soufiane Hayou , Nikhil Ghosh , Bin Yu

Low-rank adaptation (LoRA) enables parameter efficient specialization of large language models (LLMs) through modular adapters, resulting in rapidly growing public adapter pools spanning diverse tasks. Effectively using these adapters…

Low-Rank Adaptation (LoRA) and its variants have delivered strong capability in Parameter-Efficient Transfer Learning (PETL) by minimizing trainable parameters and benefiting from reparameterization. However, their projection matrices…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Yue Zhu , Haiwen Diao , Shang Gao , Jiazuo Yu , Jiawen Zhu , Yunzhi Zhuge , Shuai Hao , Xu Jia , Lu Zhang , Ying Zhang , Huchuan Lu

Large Language Models (LLMs) are driving advancements in artificial intelligence by increasing the scale of model parameters, which has significantly enhanced generalization ability and unlocked new capabilities in practice. However, their…

人工智能 · 计算机科学 2025-10-20 Chenxing Wei , Yao Shu , Ying Tiffany He , Fei Richard Yu

Parameter-efficient fine-tuning methods, such as Low-Rank Adaptation (LoRA), are known to enhance training efficiency in Large Language Models (LLMs). Due to the limited parameters of LoRA, recent studies seek to combine LoRA with…

计算与语言 · 计算机科学 2024-10-15 Peijun Qing , Chongyang Gao , Yefan Zhou , Xingjian Diao , Yaoqing Yang , Soroush Vosoughi

Large language models (LLMs) achieve remarkable performance on diverse downstream and domain-specific tasks via parameter-efficient fine-tuning (PEFT). However, existing PEFT methods, particularly MoE-LoRA architectures, suffer from limited…

Conventional recommendation methods have achieved notable advancements by harnessing collaborative or sequential information from user behavior. Recently, large language models (LLMs) have gained prominence for their capabilities in…

Finetuned LLMs often exhibit poor uncertainty quantification, manifesting as overconfidence, poor calibration, and unreliable prediction results on test data or out-of-distribution samples. One approach commonly used in vision for…

机器学习 · 计算机科学 2023-10-06 Xi Wang , Laurence Aitchison , Maja Rudolph

As large language models continue to grow in size, parameter-efficient fine-tuning (PEFT) has become increasingly crucial. While low-rank adaptation (LoRA) offers a solution through low-rank updates, its static rank allocation may yield…

机器学习 · 计算机科学 2025-04-14 Hao Nan Sheng , Zhi-yong Wang , Mingrui Yang , Hing Cheung So

Large language models (LLMs) under-perform on low-resource languages due to limited training data. We present a method to efficiently collect text data for low-resource languages from the entire Common Crawl corpus. Our approach,…

计算与语言 · 计算机科学 2024-11-22 Bethel Melesse Tessema , Akhil Kedia , Tae-Sun Chung

Low-Rank Adaptation (LoRA) is a widely adopted parameter-efficient fine-tuning (PEFT) method validated across NLP and CV domains. However, LoRA faces an inherent low-rank bottleneck: narrowing its performance gap with full finetuning…

机器学习 · 计算机科学 2025-12-03 Haonan Dong , Wenhao Zhu , Guojie Song , Liang Wang

Mixture-of-Experts (MoE) architectures have emerged as a promising approach to scale Large Language Models (LLMs). MoE boosts the efficiency by activating a subset of experts per token. Recent works show that fine-grained experts…

Continual learning in Neural Machine Translation (NMT) faces the dual challenges of catastrophic forgetting and the high computational cost of retraining. This study establishes Low-Rank Adaptation (LoRA) as a parameter-efficient framework…

计算与语言 · 计算机科学 2025-12-11 Salvador Carrión , Francisco Casacuberta

Current vision-language models (VLMs) still exhibit inferior performance on knowledge-intensive tasks, primarily due to the challenge of accurately encoding all the associations between visual objects and scenes to their corresponding…

计算与语言 · 计算机科学 2024-10-16 Jingyuan Qi , Zhiyang Xu , Rulin Shao , Yang Chen , Jin Di , Yu Cheng , Qifan Wang , Lifu Huang

Large language models (LLMs) have not yet effectively leveraged the vast amounts of edge-device data, and federated learning (FL) offers a promising paradigm to collaboratively fine-tune LLMs without transferring private edge data to the…

机器学习 · 计算机科学 2026-02-02 Arian Raje , Baris Askin , Divyansh Jhunjhunwala , Gauri Joshi