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相关论文: Diversity in Large Language Models under Supervise…

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Finetuning language models (LMs) is crucial for adapting the models to downstream data and tasks. However, full finetuning is usually costly. Existing work, such as parameter-efficient finetuning (PEFT), often focuses on \textit{how to…

计算与语言 · 计算机科学 2025-06-03 Jian Gu , Aldeida Aleti , Chunyang Chen , Hongyu Zhang

Recent work has proposed explicitly inducing language-wise modularity in multilingual LMs via sparse fine-tuning (SFT) on per-language subnetworks as a means of better guiding cross-lingual sharing. In this work, we investigate (1) the…

计算与语言 · 计算机科学 2023-11-15 Rochelle Choenni , Ekaterina Shutova , Dan Garrette

Large Language Models (LLMs) excel in general tasks, but adapting them to specialized domains relies on high-quality supervised fine-tuning (SFT) data. Although existing methods can identify subsets of high-quality data and reduce training…

计算与语言 · 计算机科学 2025-10-17 Zhaoyang Shang , Sibo Wei , Jianbin Guo , Rui Zhou , Lifeng Dong , Yin Luo

Although generation-based dialogue systems have been widely researched, the response generations by most existing systems have very low diversities. The most likely reason for this problem is Maximum Likelihood Estimation (MLE) with Softmax…

计算与语言 · 计算机科学 2018-11-22 Ryo Nakamura , Katsuhito Sudoh , Koichiro Yoshino , Satoshi Nakamura

Image-text training like CLIP has dominated the pretraining of vision foundation models in recent years. Subsequent efforts have been made to introduce region-level visual learning into CLIP's pretraining but face scalability challenges due…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Xiaohu Jiang , Yixiao Ge , Yuying Ge , Dachuan Shi , Chun Yuan , Ying Shan

Recent advances in generative deep learning have enabled the creation of high-quality synthetic images in text-to-image generation. Prior work shows that fine-tuning a pretrained diffusion model on ImageNet and generating synthetic training…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Zhuoran Yu , Chenchen Zhu , Sean Culatana , Raghuraman Krishnamoorthi , Fanyi Xiao , Yong Jae Lee

The rapid proliferation of large language models (LLMs) has created an unprecedented demand for fine-tuning models for specialized domains, such as medical science. While federated learning (FL) offers a decentralized and privacy-preserving…

机器学习 · 计算机科学 2025-06-25 Amir Faiyaz , Tara Salman

Post-training of large language models involves a fundamental trade-off between supervised fine-tuning (SFT), which efficiently mimics demonstrations but tends to memorize, and reinforcement learning (RL), which achieves better…

机器学习 · 计算机科学 2026-02-03 He Zhu , Junyou Su , Peng Lai , Ren Ma , Wenjia Zhang , Linyi Yang , Guanhua Chen

Standard negative log-likelihood (NLL) for Supervised Fine-Tuning (SFT) applies uniform token-level weighting. This rigidity creates a two-fold failure mode: (i) overemphasizing low-probability targets can amplify gradients on noisy…

计算与语言 · 计算机科学 2026-02-13 Zecheng Wang , Deyuan Liu , Chunshan Li , Yupeng Zhang , Zhengyun Zhao , Dianhui Chu , Bingning Wang , Dianbo Sui

Large Language Models (LLMs) have demonstrated impressive performance across various tasks. However, current training approaches combine standard cross-entropy loss with extensive data, human feedback, or ad hoc methods to enhance…

计算与语言 · 计算机科学 2024-12-16 Daniele Rege Cambrin , Giuseppe Gallipoli , Irene Benedetto , Luca Cagliero , Paolo Garza

Pre-trained large-scale language models (LLMs) excel at producing coherent articles, yet their outputs may be untruthful, toxic, or fail to align with user expectations. Current approaches focus on using reinforcement learning with human…

计算与语言 · 计算机科学 2024-06-06 Dehong Xu , Liang Qiu , Minseok Kim , Faisal Ladhak , Jaeyoung Do

In recent years, large language models (LLMs) have demonstrated significant potential in complex reasoning tasks like mathematical problem-solving. However, existing research predominantly relies on reinforcement learning (RL) frameworks…

机器学习 · 计算机科学 2026-01-12 ShaoZhen Liu , Xinting Huang , Houwen Peng , Xin Chen , Xinyang Song , Qi Li , Zhenan Sun

Finetuning language models for a new domain inevitably leads to the deterioration of their general performance. This becomes more pronounced the more limited the finetuning data resource. We introduce minifinetuning (MFT), a method for…

机器学习 · 计算机科学 2025-06-23 Peter Belcak , Greg Heinrich , Jan Kautz , Pavlo Molchanov

Foundation language models obtain the instruction-following ability through supervised fine-tuning (SFT). Diversity and complexity are considered critical factors of a successful SFT dataset, while their definitions remain obscure and lack…

计算与语言 · 计算机科学 2023-08-16 Keming Lu , Hongyi Yuan , Zheng Yuan , Runji Lin , Junyang Lin , Chuanqi Tan , Chang Zhou , Jingren Zhou

Post-training methods, especially Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL), play an important role in improving large language models' (LLMs) complex reasoning abilities. However, the dominant two-stage pipeline (SFT…

机器学习 · 计算机科学 2025-12-22 Mingyu Su , Jian Guan , Yuxian Gu , Minlie Huang , Hongning Wang

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

Supervised fine-tuning (SFT) and alignment of large language models (LLMs) are key steps in providing a good user experience. However, the concept of an appropriate alignment is inherently application-dependent, and current methods often…

机器学习 · 计算机科学 2025-03-18 Guneet S. Dhillon , Xingjian Shi , Yee Whye Teh , Alex Smola

Catastrophic forgetting remains a major challenge when fine-tuning large language models (LLMs) on narrow, task-specific data, often degrading their general knowledge and reasoning abilities. We propose SA-SFT, a lightweight…

计算与语言 · 计算机科学 2026-02-25 Yutao Sun , Mingshuai Chen , Tiancheng Zhao , Phillip Miao , Zilun Zhang , Haozhan Shen , Ruizhe Zhu , Jianwei Yin

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

In-context learning (ICL) and supervised fine-tuning (SFT) are two common strategies for improving the performance of modern large language models (LLMs) on specific tasks. Despite their different natures, these strategies often lead to…

计算与语言 · 计算机科学 2024-09-10 Diego Doimo , Alessandro Serra , Alessio Ansuini , Alberto Cazzaniga