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相关论文: LoFiT: Localized Fine-tuning on LLM Representation…

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Interventions in language models (LMs) are applied strategically to steer model behavior during the forward pass. Learnable interventions, also known as representation fine-tuning, aim to apply pointwise control within the concept subspace…

计算与语言 · 计算机科学 2025-06-10 Chunyuan Deng , Ruidi Chang , Hanjie Chen

Inductive transfer learning has greatly impacted computer vision, but existing approaches in NLP still require task-specific modifications and training from scratch. We propose Universal Language Model Fine-tuning (ULMFiT), an effective…

计算与语言 · 计算机科学 2018-05-24 Jeremy Howard , Sebastian Ruder

Large Language Models (LLMs) are composed of neurons that exhibit various behaviors and roles, which become increasingly diversified as models scale. Recent studies have revealed that not all neurons are active across different datasets,…

计算与语言 · 计算机科学 2024-03-19 Haoyun Xu , Runzhe Zhan , Derek F. Wong , Lidia S. Chao

Large Language Models (LLMs) achieve remarkable performance through pretraining on extensive data. This enables efficient adaptation to diverse downstream tasks. However, the lack of interpretability in their underlying mechanisms limits…

计算与语言 · 计算机科学 2025-06-03 Xintong Wang , Jingheng Pan , Liang Ding , Longyue Wang , Longqin Jiang , Xingshan Li , Chris Biemann

Large Language Models (LLMs) have shown extraordinary success across various text generation tasks; however, their potential for simple yet essential text classification remains underexplored, as LLM pre-training tends to emphasize…

计算与语言 · 计算机科学 2025-10-02 Zhexiong Liu , Diane Litman

Fine-tuning, a foundational method for adapting large language models, has long been considered ineffective for model editing. Here, we challenge this belief, arguing that the reported failure arises not from the inherent limitation of…

计算与语言 · 计算机科学 2026-02-27 Wanli Yang , Rui Tang , Hongyu Zang , Du Su , Qi Cao , Jingang Wang , Huawei Shen , Xueqi Cheng , Fei Sun

We explore efficient strategies to fine-tune decoder-only Large Language Models (LLMs) for downstream text classification under resource constraints. Two approaches are investigated: (1) attaching a classification head to a pretrained…

计算与语言 · 计算机科学 2026-05-26 Amirhossein Yousefiramandi , Ciaran Cooney

Explorations in fine-tuning Vision-Language Models (VLMs), such as Low-Rank Adaptation (LoRA) from Parameter Efficient Fine-Tuning (PEFT), have made impressive progress. However, most approaches rely on explicit weight updates, overlooking…

机器学习 · 计算机科学 2025-12-30 Mingyuan Zhang , Yue Bai , Yifan Wang , Yiyang Huang , Yun Fu

To fully leverage the advantages of large-scale pre-trained language models (PLMs) on downstream tasks, it has become a ubiquitous adaptation paradigm to fine-tune the entire parameters of PLMs. However, this paradigm poses issues of…

计算与语言 · 计算机科学 2023-05-09 Anchun Gui , Han Xiao

Fine-tuning large language models (LLMs) is crucial for improving their performance on downstream tasks, but full-parameter fine-tuning (Full-FT) is computationally expensive and memory-intensive. Parameter-efficient fine-tuning (PEFT)…

计算与语言 · 计算机科学 2026-05-12 Longteng Zhang , Lin Zhang , Shaohuai Shi , Xiaowen Chu , Bo Li

The rapid evolution of large language models (LLMs) has intensified the demand for effective personalization techniques that can adapt model behavior to individual user preferences. Despite the non-parametric methods utilizing the…

人工智能 · 计算机科学 2025-11-03 Kounianhua Du , Jianxing Liu , Kangning Zhang , Wenxiang Jiao , Yuan Lu , Jiarui Jin , Weiwen Liu , Yong Yu , Weinan Zhang

Despite the strong performance of Large Language Models (LLMs) on complex instruction-following tasks, precise control of output length remains a persistent challenge. Existing methods primarily attempt to enforce length constraints by…

计算与语言 · 计算机科学 2026-03-23 Wei Zhang , Lintong Du , Yuanhe Zhang , Zhenhong Zhou , Kun Wang , Li Sun , Sen Su

Reinforcement Learning from Human Feedback (RLHF), using algorithms like Proximal Policy Optimization (PPO), aligns Large Language Models (LLMs) with human values but is costly and unstable. Alternatives have been proposed to replace PPO or…

计算与语言 · 计算机科学 2026-04-03 Liang Zhu , Feiteng Fang , Yuelin Bai , Longze Chen , Zhexiang Zhang , Minghuan Tan , Min Yang

Large Language Models (LLMs) have demonstrated remarkable performance in real-world applications. However, adapting LLMs to novel tasks via fine-tuning often requires substantial training data and computational resources that are…

机器学习 · 计算机科学 2025-05-27 Boyan Gao , Xin Wang , Yibo Yang , David Clifton

Large language models (LLMs) have demonstrated remarkable potential across numerous applications and have shown an emergent ability to tackle complex reasoning tasks, such as mathematical computations. However, even for the simplest…

计算与语言 · 计算机科学 2024-09-04 Wei Zhang , Chaoqun Wan , Yonggang Zhang , Yiu-ming Cheung , Xinmei Tian , Xu Shen , Jieping Ye

LLMs' performance on complex tasks is still unsatisfactory. A key issue is that presently LLMs learn in a data-driven schema, while the instructions about these complex tasks are both scarce and hard to collect or construct. On the…

机器学习 · 计算机科学 2024-10-21 Yang Zhao , Li Du , Xiao Ding , Kai Xiong , Ting Liu , Bing Qin

Due to the huge amount of parameters, fine-tuning of pretrained language models (PLMs) is prone to overfitting in the low resource scenarios. In this work, we present a novel method that operates on the hidden representations of a PLM to…

计算与语言 · 计算机科学 2023-05-29 Linlin Liu , Xingxuan Li , Megh Thakkar , Xin Li , Shafiq Joty , Luo Si , Lidong Bing

This paper demonstrates that progressive localization, the gradual increase of attention locality from early distributed layers to late localized layers, represents the optimal architecture for creating interpretable large language models…

人工智能 · 计算机科学 2025-12-16 Joachim Diederich

Large language models (LLMs) with one or more fine-tuning phases have become a necessary step to unlock various capabilities, enabling LLMs to follow natural language instructions or align with human preferences. However, it carries the…

计算与语言 · 计算机科学 2024-04-30 Tingfeng Hui , Zhenyu Zhang , Shuohuan Wang , Weiran Xu , Yu Sun , Hua Wu

Reasoning capability plays a significantly critical role in the the broad applications of Large Language Models (LLMs). To enhance the reasoning performance of LLMs, diverse Reinforcement Learning (RL)-based fine-tuning approaches have been…

计算与语言 · 计算机科学 2025-09-09 Wenqiao Zhu , Ji Liu , Rongjuncheng Zhang , Haipang Wu , Yulun Zhang