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Meta-learning algorithms adapt quickly to new tasks that are drawn from the same task distribution as the training tasks. The mechanism leading to fast adaptation is the conditioning of a downstream predictive model on the inferred…

We present TaskSet, a dataset of tasks for use in training and evaluating optimizers. TaskSet is unique in its size and diversity, containing over a thousand tasks ranging from image classification with fully connected or convolutional…

机器学习 · 计算机科学 2020-04-02 Luke Metz , Niru Maheswaranathan , Ruoxi Sun , C. Daniel Freeman , Ben Poole , Jascha Sohl-Dickstein

We introduce a framework based on bilevel programming that unifies gradient-based hyperparameter optimization and meta-learning. We show that an approximate version of the bilevel problem can be solved by taking into explicit account the…

机器学习 · 统计学 2018-07-04 Luca Franceschi , Paolo Frasconi , Saverio Salzo , Riccardo Grazzi , Massimilano Pontil

Multimodal datasets contain an enormous amount of relational information, which grows exponentially with the introduction of new modalities. Learning representations in such a scenario is inherently complex due to the presence of multiple…

机器学习 · 计算机科学 2019-09-24 Devanshu Arya , Stevan Rudinac , Marcel Worring

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

Compared to humans, machine learning models generally require significantly more training examples and fail to extrapolate from experience to solve previously unseen challenges. To help close this performance gap, we augment single-task…

机器学习 · 计算机科学 2018-07-27 Tailin Wu , John Peurifoy , Isaac L. Chuang , Max Tegmark

Multimodal few-shot learning is challenging due to the large domain gap between vision and language modalities. Existing methods are trying to communicate visual concepts as prompts to frozen language models, but rely on hand-engineered…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Ivona Najdenkoska , Xiantong Zhen , Marcel Worring

Self-supervised learning has been shown to be very effective in learning useful representations, and yet much of the success is achieved in data types such as images, audio, and text. The success is mainly enabled by taking advantage of…

机器学习 · 计算机科学 2021-10-28 Talip Ucar , Ehsan Hajiramezanali , Lindsay Edwards

Deep neural network based recommendation systems have achieved great success as information filtering techniques in recent years. However, since model training from scratch requires sufficient data, deep learning-based recommendation…

信息检索 · 计算机科学 2022-06-10 Chunyang Wang , Yanmin Zhu , Haobing Liu , Tianzi Zang , Jiadi Yu , Feilong Tang

Bayesian optimisation is a popular technique for hyperparameter learning but typically requires initial exploration even in cases where similar prior tasks have been solved. We propose to transfer information across tasks using learnt…

机器学习 · 统计学 2019-05-28 Ho Chung Leon Law , Peilin Zhao , Lucian Chan , Junzhou Huang , Dino Sejdinovic

Meta-learning has been widely used for implementing few-shot learning and fast model adaptation. One kind of meta-learning methods attempt to learn how to control the gradient descent process in order to make the gradient-based learning…

机器学习 · 计算机科学 2019-11-20 Jialin Liu , Fei Chao , Longzhi Yang , Chih-Min Lin , Qiang Shen

Finding a low dimensional representation of hierarchical, structured data described by a network remains a challenging problem in the machine learning community. An emerging approach is embedding these networks into hyperbolic space because…

社会与信息网络 · 计算机科学 2019-05-03 David McDonald , Shan He

The success of automated driving deployment is highly depending on the ability to develop an efficient and safe driving policy. The problem is well formulated under the framework of optimal control as a cost optimization problem. Model…

人工智能 · 计算机科学 2017-06-14 Ahmad El Sallab , Mahmoud Saeed , Omar Abdel Tawab , Mohammed Abdou

Data-efficient learning algorithms are essential in many practical applications for which data collection is expensive, e.g., for the optimal deployment of wireless systems in unknown propagation scenarios. Meta-learning can address this…

机器学习 · 计算机科学 2022-05-25 Ivana Nikoloska , Osvaldo Simeone

Key properties of brain-inspired hyperdimensional (HD) computing make it a prime candidate for energy-efficient and fast learning in biosignal processing. The main challenge is however to formulate embedding methods that map biosignal…

信号处理 · 电气工程与系统科学 2019-01-01 Michael Hersche , José del R. Millán , Luca Benini , Abbas Rahimi

The cold-start problem is a long-standing challenge in recommender systems due to the lack of user-item interactions, which significantly hurts the recommendation effect over new users and items. Recently, meta-learning based methods…

信息检索 · 计算机科学 2024-05-07 Yuxiang Shi , Yue Ding , Bo Chen , Yuyang Huang , Yule Wang , Ruiming Tang , Dong Wang

Few-shot learning or meta-learning leverages the data scarcity problem in machine learning. Traditionally, training data requires a multitude of samples and labeling for supervised learning. To address this issue, we propose a one-shot…

机器学习 · 计算机科学 2023-10-23 Atik Faysal , Mohammad Rostami , Huaxia Wang , Avimanyu Sahoo , Ryan Antle

Meta-learning has been proposed as a promising machine learning topic in recent years, with important applications to image classification, robotics, computer games, and control systems. In this paper, we study the problem of using…

系统与控制 · 电气工程与系统科学 2024-05-28 Yunian Pan , Quanyan Zhu

We consider a class of a nested optimization problems involving inner and outer objectives. We observe that by taking into explicit account the optimization dynamics for the inner objective it is possible to derive a general framework that…

机器学习 · 统计学 2019-08-22 Luca Franceschi , Michele Donini , Paolo Frasconi , Massimiliano Pontil

We formulate meta learning using information theoretic concepts; namely, mutual information and the information bottleneck. The idea is to learn a stochastic representation or encoding of the task description, given by a training set, that…