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As large language models (LLMs) continue to scale in size, the computational overhead has become a major bottleneck for task-specific fine-tuning. While low-rank adaptation (LoRA) effectively curtails this cost by confining the weight…

机器学习 · 计算机科学 2026-05-15 Yilang Zhang , Xiaodong Yang , Yiwei Cai , Georgios B. Giannakis

Training a unified model to take multiple targets into account is a trend towards artificial general intelligence. However, how to efficiently mitigate the training conflicts among heterogeneous data collected from different domains or…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Yuhang Zhou , Zihua Zhao , Haolin Li , Siyuan Du , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Low-rank adaptations (LoRA) are widely used to fine-tune large models across various domains for specific downstream tasks. While task-specific LoRAs are often available, concerns about data privacy and intellectual property can restrict…

机器学习 · 计算机科学 2025-04-16 Hongxu Chen , Runshi Li , Bowei Zhu , Zhen Wang , Long Chen

Multi-task learning (MTL) has been widely applied in online advertising and recommender systems. To address the negative transfer issue, recent studies have proposed optimization methods that thoroughly focus on the gradient alignment of…

信息检索 · 计算机科学 2023-03-13 Xuanhua Yang , Jianxin Zhao , Shaoguo Liu , Liang Wang , Bo Zheng

The advent of parameter-efficient fine-tuning methods has significantly reduced the computational burden of adapting large-scale pretrained models to diverse downstream tasks. However, existing approaches often struggle to achieve robust…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Haotian Zhang , Liu Liu , Baosheng Yu , Jiayan Qiu , Yanwei Ren , Xianglong Liu

Multi-task learning (MTL) aims to build general-purpose vision systems by training a single network to perform multiple tasks jointly. While promising, its potential is often hindered by "unbalanced optimization", where task interference…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Yihang Guo , Tianyuan Yu , Liang Bai , Yanming Guo , Yirun Ruan , William Li , Weishi Zheng

Multi-task reinforcement learning (MTRL) has shown great promise in many real-world applications. Existing MTRL algorithms often aim to learn a policy that optimizes individual objective functions simultaneously with a given prior…

机器学习 · 计算机科学 2024-12-24 Yudan Wang , Peiyao Xiao , Hao Ban , Kaiyi Ji , Shaofeng Zou

Multi-task learning (MTL) is a subfield of machine learning with important applications, but the multi-objective nature of optimization in MTL leads to difficulties in balancing training between tasks. The best MTL optimization methods…

机器学习 · 计算机科学 2021-09-20 Michael Crawshaw , Jana Košecká

Training and fine-tuning large language models (LLMs) come with challenges related to memory and computational requirements due to the increasing size of the model weights and the optimizer states. Various techniques have been developed to…

机器学习 · 计算机科学 2025-12-09 Yehonathan Refael , Jonathan Svirsky , Boris Shustin , Wasim Huleihel , Ofir Lindenbaum

Low-Rank Adaptation (LoRA) has emerged as a promising paradigm for Continual Learning. It independently updates its low-rank factors ($A$ and $B$), creating a composite update to the full weight matrix through their interaction. To prevent…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Cheng Chen , Pengpeng Zeng , Yuyu Guo , Lianli Gao , Hengtao Shen , Jingkuan Song

RL-based post-training with GRPO is widely used to improve large language models on individual reasoning tasks. However, real-world deployment requires reliable performance across diverse tasks. A straightforward multi-task adaptation of…

Low-Rank Adaptation (LoRA) has proven effective in reducing computational costs while maintaining performance comparable to fully fine-tuned foundation models across various tasks. However, its fixed low-rank structure restricts its…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Chuyan Zhang , Kefan Wang , Yun Gu

Multimodal Information Extraction (MIE) has gained attention for extracting structured information from multimedia sources. Traditional methods tackle MIE tasks separately, missing opportunities to share knowledge across tasks. Recent…

机器学习 · 计算机科学 2025-05-13 Li Yuan , Yi Cai , Xudong Shen , Qing Li , Qingbao Huang , Zikun Deng , Tao Wang

Low-Rank Adaptation (LoRA) is a widely used parameter-efficient fine-tuning method for foundation models, but it suffers from parameter interference, resulting in suboptimal performance. Although Mixture-of-Experts (MoE)-based LoRA variants…

机器学习 · 计算机科学 2025-10-24 Heming Zou , Yunliang Zang , Wutong Xu , Yao Zhu , Xiangyang Ji

Low-Rank Adaptation (LoRA) is a widely-used parameter-efficient finetuning method for large language models. LoRA saves memory by training only low rank perturbations to selected weight matrices. In this work, we compare the performance of…

Adapting models pre-trained on large-scale datasets to a variety of downstream tasks is a common strategy in deep learning. Consequently, parameter-efficient fine-tuning methods have emerged as a promising way to adapt pre-trained models to…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Ahmed Agiza , Marina Neseem , Sherief Reda

Multi-Task Learning (MTL) involves the concurrent training of multiple tasks, offering notable advantages for dense prediction tasks in computer vision. MTL not only reduces training and inference time as opposed to having multiple…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Maxime Fontana , Michael Spratling , Miaojing Shi

Large Multimodal Models (LMMs) have shown significant progress in various complex vision tasks with the solid linguistic and reasoning capacity inherited from large language models (LMMs). Low-rank adaptation (LoRA) offers a promising…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Liang Mi , Weijun Wang , Wenming Tu , Qingfeng He , Rui Kong , Xinyu Fang , Yazhu Dong , Yikang Zhang , Yunchun Li , Meng Li , Haipeng Dai , Guihai Chen , Yunxin Liu

Meta learning with multiple objectives can be formulated as a Multi-Objective Bi-Level optimization Problem (MOBLP) where the upper-level subproblem is to solve several possible conflicting targets for the meta learner. However, existing…

机器学习 · 计算机科学 2021-02-16 Feiyang Ye , Baijiong Lin , Zhixiong Yue , Pengxin Guo , Qiao Xiao , Yu Zhang

Low-Rank Adaptation (LoRA) is one of the most widely used techniques for fine-tuning large language models (LLMs). By introducing a small number of trainable low-rank weight matrices, LoRA substantially reduces the number of parameters that…

机器学习 · 计算机科学 2025-07-15 Seokmin Ko