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In order to efficiently learn with small amount of data on new tasks, meta-learning transfers knowledge learned from previous tasks to the new ones. However, a critical challenge in meta-learning is the task heterogeneity which cannot be…

机器学习 · 计算机科学 2020-01-06 Huaxiu Yao , Xian Wu , Zhiqiang Tao , Yaliang Li , Bolin Ding , Ruirui Li , Zhenhui Li

Humans can often quickly and efficiently solve complex new learning tasks given only a small set of examples. In contrast, modern artificially intelligent systems often require thousands or millions of observations in order to solve even…

机器学习 · 计算机科学 2025-05-08 Christian Raymond

While neural networks are powerful function approximators, they suffer from catastrophic forgetting when the data distribution is not stationary. One particular formalism that studies learning under non-stationary distribution is provided…

机器学习 · 统计学 2019-06-13 Xu He , Jakub Sygnowski , Alexandre Galashov , Andrei A. Rusu , Yee Whye Teh , Razvan Pascanu

Meta-learning has gained wide popularity as a training framework that is more data-efficient than traditional machine learning methods. However, its generalization ability in complex task distributions, such as multimodal tasks, has not…

机器学习 · 计算机科学 2022-05-10 Yao Ma , Shilin Zhao , Weixiao Wang , Yaoman Li , Irwin King

Modern deep learning science often assumes that neural networks learn from a fixed data distribution. However, many practically important learning problems involve data distributions that change throughout training. How does such…

机器学习 · 计算机科学 2026-05-19 Afiq Abdillah Effiezal Aswadi , Oliver Britton , Ross Baker , Matthew Farrugia-Roberts

In the past, the dichotomy between homophily and heterophily has inspired research contributions toward a better understanding of Deep Graph Networks' inductive bias. In particular, it was believed that homophily strongly correlates with…

机器学习 · 计算机科学 2023-08-21 Daniele Castellana , Federico Errica

An overarching goal in machine learning is to build a generalizable model with few samples. To this end, overparameterization has been the subject of immense interest to explain the generalization ability of deep nets even when the size of…

机器学习 · 计算机科学 2022-01-19 Yue Sun , Adhyyan Narang , Halil Ibrahim Gulluk , Samet Oymak , Maryam Fazel

To benefit the learning of a new task, meta-learning has been proposed to transfer a well-generalized meta-model learned from various meta-training tasks. Existing meta-learning algorithms randomly sample meta-training tasks with a uniform…

机器学习 · 计算机科学 2021-10-28 Huaxiu Yao , Yu Wang , Ying Wei , Peilin Zhao , Mehrdad Mahdavi , Defu Lian , Chelsea Finn

Meta-learning is a tool that allows us to build sample-efficient learning systems. Here we show that, once meta-trained, LSTM Meta-Learners aren't just faster learners than their sample-inefficient deep learning (DL) and reinforcement…

机器学习 · 计算机科学 2019-05-07 Neil C. Rabinowitz

Meta-learning has been proposed as a framework to address the challenging few-shot learning setting. The key idea is to leverage a large number of similar few-shot tasks in order to learn how to adapt a base-learner to a new task for which…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Qianru Sun , Yaoyao Liu , Zhaozheng Chen , Tat-Seng Chua , Bernt Schiele

Meta-Learning is a subarea of Machine Learning that aims to take advantage of prior knowledge to learn faster and with fewer data [1]. There are different scenarios where meta-learning can be applied, and one of the most common is algorithm…

Meta-learning algorithms use past experience to learn to quickly solve new tasks. In the context of reinforcement learning, meta-learning algorithms acquire reinforcement learning procedures to solve new problems more efficiently by…

机器学习 · 计算机科学 2020-05-01 Abhishek Gupta , Benjamin Eysenbach , Chelsea Finn , Sergey Levine

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

In this paper, we introduce a discrete variant of the meta-learning framework. Meta-learning aims at exploiting prior experience and data to improve performance on future tasks. By now, there exist numerous formulations for meta-learning in…

机器学习 · 计算机科学 2021-01-12 Arman Adibi , Aryan Mokhtari , Hamed Hassani

In this paper, we develop upon the topic of loss function learning, an emergent meta-learning paradigm that aims to learn loss functions that significantly improve the performance of the models trained under them. Specifically, we propose a…

神经与进化计算 · 计算机科学 2024-03-05 Christian Raymond , Qi Chen , Bing Xue , Mengjie Zhang

An increasingly popular machine learning paradigm is to pretrain a neural network (NN) on many tasks offline, then adapt it to downstream tasks, often by re-training only the last linear layer of the network. This approach yields strong…

机器学习 · 计算机科学 2024-06-10 Liam Collins , Hamed Hassani , Mahdi Soltanolkotabi , Aryan Mokhtari , Sanjay Shakkottai

Can meta-learning discover generic ways of processing time series (TS) from a diverse dataset so as to greatly improve generalization on new TS coming from different datasets? This work provides positive evidence to this using a broad…

机器学习 · 计算机科学 2020-12-16 Boris N. Oreshkin , Dmitri Carpov , Nicolas Chapados , Yoshua Bengio

It is widely believed that diversity arising from different skills enhances the performance of teams, and in particular, their ability to learn and innovate. However, diversity has also been associated with negative effects on the…

物理与社会 · 物理学 2023-07-03 Fabian Baumann , Agnieszka Czaplicka , Iyad Rahwan

As an effective learning paradigm against insufficient training samples, Multi-Task Learning (MTL) encourages knowledge sharing across multiple related tasks so as to improve the overall performance. In MTL, a major challenge springs from…

机器学习 · 计算机科学 2020-04-30 Zhiyong Yang , Qianqian Xu , Xiaochun Cao , Qingming Huang

In this paper, we conduct a simulation study with subject-level data to evaluate conventional meta-regression approaches (study-level random, fixed, and mixed effects) against seven methodology specifications new to meta-regressions that…

计量经济学 · 经济学 2025-07-18 Ali Habibnia , Jonathan Gendron