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Multi-task learning (MTL) aims to leverage shared information among tasks to improve learning efficiency and accuracy. However, MTL often struggles to effectively manage positive and negative transfer between tasks, which can hinder…

机器学习 · 计算机科学 2025-05-19 Chenguang Wang , Xuanhao Pan , Tianshu Yu

Multitask learning (MTL) has emerged as a powerful paradigm that leverages similarities among multiple learning tasks, each with insufficient samples to train a standalone model, to solve them simultaneously while minimizing data sharing…

机器学习 · 计算机科学 2025-06-23 John Abascal , Nicolás Berrios , Alina Oprea , Jonathan Ullman , Adam Smith , Matthew Jagielski

Model merging combines independently trained models into a single multi-task model. However, most existing approaches focus primarily on avoiding task interference. We argue that its greater potential lies in enabling task synergy, where…

机器学习 · 计算机科学 2026-05-25 Aecheon Jung , Seunghwan Lee , Dongyoon Han , Sungeun Hong

Model merging constructs versatile models by integrating task-specific models without requiring labeled data or expensive joint retraining. Although recent methods improve adaptability to heterogeneous tasks by generating customized merged…

机器学习 · 计算机科学 2026-02-09 Haiyun Qiu , Xingyu Wu , Liang Feng , Kay Chen Tan

Real-world clinical data is inherently multimodal, providing complementary evidence that mirrors the practical necessity of jointly assessing multiple related outcomes. Although multi-task learning can improve efficiency by sharing…

机器学习 · 计算机科学 2026-05-06 He Lyu , Huolin Zeng , Junren Wang , Huazhen Yang , Linchao He , Yong Chen , Zhirui Li , Andreas Maier , Siming Bayer , Huan Song

Self-Supervised Learning (SSL) models rely on a pretext task to learn representations. Because this pretext task differs from the downstream tasks used to evaluate the performance of these models, there is an inherent misalignment or…

机器学习 · 计算机科学 2023-04-12 Florian Bordes , Samuel Lavoie , Randall Balestriero , Nicolas Ballas , Pascal Vincent

State-of-the-art studies have demonstrated the superiority of joint modelling over pipeline implementation for medical named entity recognition and normalization due to the mutual benefits between the two processes. To exploit these…

计算与语言 · 计算机科学 2018-12-17 Sendong Zhao , Ting Liu , Sicheng Zhao , Fei Wang

The recent advances in neural language models have also been successfully applied to the field of chemistry, offering generative solutions for classical problems in molecular design and synthesis planning. These new methods have the…

机器学习 · 计算机科学 2023-05-19 Dimitrios Christofidellis , Giorgio Giannone , Jannis Born , Ole Winther , Teodoro Laino , Matteo Manica

Transfer learning - i.e., further fine-tuning a pre-trained model on a downstream task - can confer significant advantages, including improved downstream performance, faster convergence, and better sample efficiency. These advantages have…

机器学习 · 计算机科学 2023-10-30 Prateek Yadav , Derek Tam , Leshem Choshen , Colin Raffel , Mohit Bansal

Surgical AI often involves multiple tasks within a single procedure, like phase recognition or assessing the Critical View of Safety in laparoscopic cholecystectomy. Traditional models, built for one task at a time, lack flexibility,…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Soham Walimbe , Britty Baby , Vinkle Srivastav , Nicolas Padoy

Multi-Task Learning (MTL) can enhance a classifier's generalization performance by learning multiple related tasks simultaneously. Conventional MTL works under the offline or batch setting, and suffers from expensive training cost and poor…

机器学习 · 计算机科学 2017-06-28 Peng Yang , Peilin Zhao , Xin Gao

Multi-task learning (MTL) aims to improve the performance of multiple related prediction tasks by leveraging useful information from them. Due to their flexibility and ability to reduce unknown coefficients substantially, the…

机器学习 · 计算机科学 2022-12-01 Yuzhao Zhang , Yifan Sun

Multi-task model merging aims to consolidate knowledge from multiple fine-tuned task-specific experts into a unified model while minimizing performance degradation. Existing methods primarily approach this by minimizing differences between…

机器学习 · 计算机科学 2025-10-28 Wenju Sun , Qingyong Li , Wen Wang , Yang Liu , Yangli-ao Geng , Boyang Li

Multi-task learning (MTL) leverages a shared model to accomplish multiple tasks and facilitate knowledge transfer. Recent research on task arithmetic-based MTL demonstrates that merging the parameters of independently fine-tuned models can…

机器学习 · 计算机科学 2024-10-30 Li Shen , Anke Tang , Enneng Yang , Guibing Guo , Yong Luo , Lefei Zhang , Xiaochun Cao , Bo Du , Dacheng Tao

Large-scale deep learning models with a pretraining-finetuning paradigm have led to a surge of numerous task-specific models fine-tuned from a common pre-trained model. Recently, several research efforts have been made on merging these…

机器学习 · 计算机科学 2025-04-22 Yeoreum Lee , Jinwook Jung , Sungyong Baik

Multi-task learning (MTL) considers learning a joint model for multiple tasks by optimizing a convex combination of all task losses. To solve the optimization problem, existing methods use an adaptive weight updating scheme, where task…

机器学习 · 计算机科学 2024-07-22 Yifei He , Shiji Zhou , Guojun Zhang , Hyokun Yun , Yi Xu , Belinda Zeng , Trishul Chilimbi , Han Zhao

Multi-task learning improves generalization, but when does it reduce the model capacity required to learn? We provide a systematic study of how joint training affects the learning transition, the minimum model size at which a task can be…

Future mobile devices are anticipated to perceive, understand and react to the world on their own by running multiple correlated deep neural networks on-device. Yet the complexity of these neural networks needs to be trimmed down both…

神经与进化计算 · 计算机科学 2019-03-14 Xiaoxi He , Zimu Zhou , Lothar Thiele

Model merging is an efficient empowerment technique in the machine learning community that does not require the collection of raw training data and does not require expensive computation. As model merging becomes increasingly prevalent…

机器学习 · 计算机科学 2026-01-01 Enneng Yang , Li Shen , Guibing Guo , Xingwei Wang , Xiaochun Cao , Jie Zhang , Dacheng Tao

Model merging has recently gained attention as an economical and scalable approach to incorporate task-specific weights from various tasks into a unified multi-task model. For example, in Task Arithmetic (TA), adding the fine-tuned weights…

机器学习 · 计算机科学 2025-01-10 Feng Xiong , Runxi Cheng , Wang Chen , Zhanqiu Zhang , Yiwen Guo , Chun Yuan , Ruifeng Xu