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Gradient-based meta-learners such as Model-Agnostic Meta-Learning (MAML) have shown strong few-shot performance in supervised and reinforcement learning settings. However, specifically in the case of meta-reinforcement learning (meta-RL),…

机器学习 · 计算机科学 2020-02-20 Bhairav Mehta , Tristan Deleu , Sharath Chandra Raparthy , Chris J. Pal , Liam Paull

Meta learning recently has been heavily researched and helped advance the contemporary machine learning. However, achieving well-performing meta-learning model requires a large amount of training tasks with high-quality meta-data…

机器学习 · 计算机科学 2023-05-16 Jun Shu , Xiang Yuan , Deyu Meng , Zongben Xu

Recent work has shown that language models (LMs) trained with multi-task \textit{instructional learning} (MTIL) can solve diverse NLP tasks in zero- and few-shot settings with improved performance compared to prompt tuning. MTIL illustrates…

计算与语言 · 计算机科学 2022-10-24 Budhaditya Deb , Guoqing Zheng , Ahmed Hassan Awadallah

Neural machine translation (NMT) has achieved remarkable success in producing high-quality translations. However, current NMT systems suffer from a lack of reliability, as their outputs that are often affected by lexical or syntactic…

计算与语言 · 计算机科学 2023-09-20 Rongxiang Weng , Qiang Wang , Wensen Cheng , Changfeng Zhu , Min Zhang

Widely used traditional supervised deep learning methods require a large number of training samples but often fail to generalize on unseen datasets. Therefore, a more general application of any trained model is quite limited for medical…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Rabindra Khadga , Debesh Jha , Steven Hicks , Vajira Thambawita , Michael A. Riegler , Sharib Ali , Pål Halvorsen

Theoretical computation of cosmological observables is an intensive process, restricting the speed at which cosmological data can be analysed and cosmological models constrained, and therefore limiting research access to those with high…

宇宙学与河外天体物理 · 物理学 2026-03-11 Charlie MacMahon-Gellér , C. Danielle Leonard , Philip Bull , Markus Michael Rau

We propose an adaptation of the curriculum training framework, applicable to state-of-the-art meta learning techniques for few-shot classification. Curriculum-based training popularly attempts to mimic human learning by progressively…

机器学习 · 计算机科学 2021-12-07 Emmanouil Stergiadis , Priyanka Agrawal , Oliver Squire

In recent years, model-agnostic meta-learning (MAML) has become a popular research area. However, the stochastic optimization of MAML is still underdeveloped. Existing MAML algorithms rely on the ``episode'' idea by sampling a few tasks and…

机器学习 · 计算机科学 2023-04-26 Bokun Wang , Zhuoning Yuan , Yiming Ying , Tianbao Yang

Sharpness-aware minimization (SAM) has been instrumental in improving deep neural network training by minimizing both the training loss and the sharpness of the loss landscape, leading the model into flatter minima that are associated with…

机器学习 · 计算机科学 2024-10-03 Van-Anh Nguyen , Quyen Tran , Tuan Truong , Thanh-Toan Do , Dinh Phung , Trung Le

Large-scale models trained on extensive datasets, have emerged as the preferred approach due to their high generalizability across various tasks. In-context learning (ICL), a popular strategy in natural language processing, uses such models…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Jiahao Zhang , Bowen Wang , Liangzhi Li , Yuta Nakashima , Hajime Nagahara

In this paper, we introduce a novel variation of model-agnostic meta-learning, where an extra multiplicative parameter is introduced in the inner-loop adaptation. Our variation creates a shortcut in the parameter space for the inner-loop…

机器学习 · 计算机科学 2023-01-02 Chih-Jung Tracy Chang , Yuan Gao , Beicheng Lou

A few recent studies have demonstrated that leveraging centrally pre-trained models can offer advantageous initializations for federated learning (FL). However, existing pre-training methods do not generalize well when faced with an…

机器学习 · 计算机科学 2024-12-12 Yun-Wei Chu , Dong-Jun Han , Seyyedali Hosseinalipour , Christopher G. Brinton

The goal of few-shot learning is to generalize and achieve high performance on new unseen learning tasks, where each task has only a limited number of examples available. Gradient-based meta-learning attempts to address this challenging…

机器学习 · 计算机科学 2024-06-13 Christian Raymond , Qi Chen , Bing Xue , Mengjie Zhang

Contrastive Learning (CL) performances as a rising approach to address the challenge of sparse and noisy recommendation data. Although having achieved promising results, most existing CL methods only perform either hand-crafted data or…

信息检索 · 计算机科学 2023-11-22 Xiuyuan Qin , Huanhuan Yuan , Pengpeng Zhao , Junhua Fang , Fuzhen Zhuang , Guanfeng Liu , Victor Sheng

Recent work has suggested that a good embedding is all we need to solve many few-shot learning benchmarks. Furthermore, other work has strongly suggested that Model Agnostic Meta-Learning (MAML) also works via this same method - by learning…

机器学习 · 计算机科学 2021-12-28 Brando Miranda , Yu-Xiong Wang , Sanmi Koyejo

In this paper, we establish the ordinary differential equation (ODE) that underlies the training dynamics of Model-Agnostic Meta-Learning (MAML). Our continuous-time limit view of the process eliminates the influence of the manually chosen…

机器学习 · 统计学 2020-07-09 Ruitu Xu , Lin Chen , Amin Karbasi

Model-Agnostic Meta-Learning (MAML) and its variants have achieved success in meta-learning tasks on many datasets and settings. On the other hand, we have just started to understand and analyze how they are able to adapt fast to new tasks.…

机器学习 · 计算机科学 2021-01-26 Sébastien M. R. Arnold , Shariq Iqbal , Fei Sha

This paper proposes a new neural architecture for collaborative ranking with implicit feedback. Our model, LRML (\textit{Latent Relational Metric Learning}) is a novel metric learning approach for recommendation. More specifically, instead…

人工智能 · 计算机科学 2018-02-14 Yi Tay , Anh Tuan Luu , Siu Cheung Hui

Data-Free Meta-Learning (DFML) aims to derive knowledge from a collection of pre-trained models without accessing their original data, enabling the rapid adaptation to new unseen tasks. Current methods often overlook the heterogeneity among…

机器学习 · 计算机科学 2024-12-10 Yongxian Wei , Zixuan Hu , Li Shen , Zhenyi Wang , Yu Li , Chun Yuan , Dacheng Tao

The success of gradient-based meta-learning is primarily attributed to its ability to leverage related tasks to learn task-invariant information. However, the absence of interactions between different tasks in the inner loop leads to…

机器学习 · 计算机科学 2023-12-15 Oscar Chang , Hod Lipson