中文
相关论文

相关论文: A Nested Bi-level Optimization Framework for Robus…

200 篇论文

Meta-learning algorithms are able to learn a new task using previously learned knowledge, but they often require a large number of meta-training tasks which may not be readily available. To address this issue, we propose a method for…

机器学习 · 计算机科学 2023-05-18 Wenfang Sun , Yingjun Du , Xiantong Zhen , Fan Wang , Ling Wang , Cees G. M. Snoek

In recent years, we have witnessed a surge of interests in learning a suitable distance metric from weakly supervised data. Most existing methods aim to pull all the similar samples closer while push the dissimilar ones as far as possible.…

机器学习 · 计算机科学 2021-02-05 Huiyuan Deng , Xiangzhu Meng , Lin Feng

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

Meta-learning is a general approach to equip machine learning models with the ability to handle few-shot scenarios when dealing with many tasks. Most existing meta-learning methods work based on the assumption that all tasks are of equal…

机器学习 · 计算机科学 2024-10-25 Zhaofeng Si , Shu Hu , Kaiyi Ji , Siwei Lyu

Meta learning aims at learning a model that can quickly adapt to unseen tasks. Widely used meta learning methods include model agnostic meta learning (MAML), implicit MAML, Bayesian MAML. Thanks to its ability of modeling uncertainty,…

机器学习 · 计算机科学 2022-03-08 Lisha Chen , Tianyi Chen

Neural networks are known to suffer from catastrophic forgetting when trained on sequential datasets. While there have been numerous attempts to solve this problem in large-scale supervised classification, little has been done to overcome…

机器学习 · 计算机科学 2021-06-22 Pauching Yap , Hippolyt Ritter , David Barber

The aim of multi-task reinforcement learning is two-fold: (1) efficiently learn by training against multiple tasks and (2) quickly adapt, using limited samples, to a variety of new tasks. In this work, the tasks correspond to reward…

机器学习 · 计算机科学 2019-11-05 Nicholas C. Landolfi , Garrett Thomas , Tengyu Ma

Class imbalance is a widespread challenge in NLP tasks, significantly hindering robust performance across diverse domains and applications. We introduce Hardness-Aware Meta-Resample (HAMR), a unified framework that adaptively addresses both…

计算与语言 · 计算机科学 2026-04-22 Hanshu Rao , Guangzeng Han , Xiaolei Huang

Humans can continuously learn new knowledge as their experience grows. In contrast, previous learning in deep neural networks can quickly fade out when they are trained on a new task. In this paper, we hypothesize this problem can be…

机器学习 · 计算机科学 2020-03-27 Jathushan Rajasegaran , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Mubarak Shah

Few-shot learning aims to learn classifiers for new classes with only a few training examples per class. Most existing few-shot learning approaches belong to either metric-based meta-learning or optimization-based meta-learning category,…

机器学习 · 计算机科学 2019-08-28 Duo Wang , Yu Cheng , Mo Yu , Xiaoxiao Guo , Tao Zhang

The representations of the Earth's surface vary from one geographic region to another. For instance, the appearance of urban areas differs between continents, and seasonality influences the appearance of vegetation. To capture the diversity…

机器学习 · 计算机科学 2020-04-29 Marc Rußwurm , Sherrie Wang , Marco Körner , David Lobell

Software refactoring is the process of changing the structure of software without any alteration in its behavior and functionality. Presuming it is carried out in appropriate opportunities, refactoring enhances software quality…

软件工程 · 计算机科学 2023-01-20 Hanieh Khosravi , Abbas Rasoolzadegan

Deep neural networks can yield good performance on various tasks but often require large amounts of data to train them. Meta-learning received considerable attention as one approach to improve the generalization of these networks from a…

机器学习 · 计算机科学 2023-10-11 Mike Huisman , Aske Plaat , Jan N. van Rijn

Sparse additive models have attracted much attention in high-dimensional data analysis due to their flexible representation and strong interpretability. However, most existing models are limited to single-level learning under the…

机器学习 · 计算机科学 2026-04-23 Xuelin Zhang , Xinyue Liu , Lingjuan Wu , Hong Chen

We study the convergence of a class of gradient-based Model-Agnostic Meta-Learning (MAML) methods and characterize their overall complexity as well as their best achievable accuracy in terms of gradient norm for nonconvex loss functions. We…

机器学习 · 计算机科学 2020-05-19 Alireza Fallah , Aryan Mokhtari , Asuman Ozdaglar

Meta-learning for few-shot learning entails acquiring a prior over previous tasks and experiences, such that new tasks be learned from small amounts of data. However, a critical challenge in few-shot learning is task ambiguity: even when a…

机器学习 · 计算机科学 2019-10-18 Chelsea Finn , Kelvin Xu , Sergey Levine

Meta-learning, or learning to learn, is a technique that can help to overcome resource scarcity in cross-lingual NLP problems, by enabling fast adaptation to new tasks. We apply model-agnostic meta-learning (MAML) to the task of…

Adapting large language models (LLMs) to unseen tasks with in-context training samples without fine-tuning remains an important research problem. To learn a robust LLM that adapts well to unseen tasks, multiple meta-training approaches have…

计算与语言 · 计算机科学 2024-05-21 Sanchit Sinha , Yuguang Yue , Victor Soto , Mayank Kulkarni , Jianhua Lu , Aidong Zhang

Meta-learning has recently been an emerging data-efficient learning technique for various medical imaging operations and has helped advance contemporary deep learning models. Furthermore, meta-learning enhances the knowledge generalization…

图像与视频处理 · 电气工程与系统科学 2023-07-14 Sriprabha Ramanarayanan , Arun Palla , Keerthi Ram , Mohanasankar Sivaprakasam

In this paper, we study the generalization properties of Model-Agnostic Meta-Learning (MAML) algorithms for supervised learning problems. We focus on the setting in which we train the MAML model over $m$ tasks, each with $n$ data points,…

机器学习 · 计算机科学 2021-11-18 Alireza Fallah , Aryan Mokhtari , Asuman Ozdaglar