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Data availability has dramatically increased in recent years, driving model-based control methods to exploit learning techniques for improving the system description, and thus control performance. Two key factors that hinder the practical…

系统与控制 · 电气工程与系统科学 2022-11-22 Elena Arcari , Andrea Carron , Melanie N. Zeilinger

Graphs are present in many real-world applications, such as financial fraud detection, commercial recommendation, and social network analysis. But given the high cost of graph annotation or labeling, we face a severe graph label-scarcity…

机器学习 · 计算机科学 2022-08-08 Zhen Tan , Kaize Ding , Ruocheng Guo , Huan Liu

We develop a novel approach to conformal prediction when the target task has limited data available for training. Conformal prediction identifies a small set of promising output candidates in place of a single prediction, with guarantees…

机器学习 · 计算机科学 2021-07-21 Adam Fisch , Tal Schuster , Tommi Jaakkola , Regina Barzilay

Fine-tuning a deep network trained with the standard cross-entropy loss is a strong baseline for few-shot learning. When fine-tuned transductively, this outperforms the current state-of-the-art on standard datasets such as Mini-ImageNet,…

机器学习 · 计算机科学 2020-10-23 Guneet S. Dhillon , Pratik Chaudhari , Avinash Ravichandran , Stefano Soatto

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

In the ever-evolving era of Artificial Intelligence (AI), model performance has constituted a key metric driving innovation, leading to an exponential growth in model size and complexity. However, sustainability and energy efficiency have…

Deep neural networks (DNNs) have achieved state-of-the-art results on time series classification (TSC) tasks. In this work, we focus on leveraging DNNs in the often-encountered practical scenario where access to labeled training data is…

机器学习 · 计算机科学 2021-03-05 Jyoti Narwariya , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff , Vishnu Tv

Few-shot text classification aims to classify the text under the few-shot scenario. Most of the previous methods adopt optimization-based meta learning to obtain task distribution. However, due to the neglect of matching between the few…

计算与语言 · 计算机科学 2023-07-31 Tianyi Lei , Honghui Hu , Qiaoyang Luo , Dezhong Peng , Xu Wang

Meta-learning, or learning-to-learn, seeks to design algorithms that can utilize previous experience to rapidly learn new skills or adapt to new environments. Representation learning -- a key tool for performing meta-learning -- learns a…

机器学习 · 计算机科学 2022-01-04 Nilesh Tripuraneni , Chi Jin , Michael I. Jordan

Node classification is of great importance among various graph mining tasks. In practice, real-world graphs generally follow the long-tail distribution, where a large number of classes only consist of limited labeled nodes. Although Graph…

机器学习 · 计算机科学 2022-06-27 Song Wang , Kaize Ding , Chuxu Zhang , Chen Chen , Jundong Li

Graphs are widely used to model the relational structure of data, and the research of graph machine learning (ML) has a wide spectrum of applications ranging from drug design in molecular graphs to friendship recommendation in social…

机器学习 · 计算机科学 2022-08-23 Kaize Ding , Jianling Wang , Jundong Li , James Caverlee , Huan Liu

Neural network pretraining is gaining attention due to its outstanding performance in natural language processing applications. However, pretraining usually leverages predefined task sequences to learn general linguistic clues. The lack of…

计算与语言 · 计算机科学 2021-06-08 Hongyin Luo , Shuyan Dong , Yung-Sung Chuang , Shang-Wen Li

Reliable mechanical fault detection with limited data is crucial for the effective operation of induction machines, particularly given the real-world challenges present in industrial datasets, such as significant imbalances between healthy…

系统与控制 · 电气工程与系统科学 2025-04-04 Ali Pourghoraba , MohammadSadegh KhajueeZadeh , Ali Amini , Abolfazl Vahedi , Gholam Reza Agah , Akbar Rahideh

Reinforcement learning and planning methods require an objective or reward function that encodes the desired behavior. Yet, in practice, there is a wide range of scenarios where an objective is difficult to provide programmatically, such as…

机器学习 · 计算机科学 2018-10-02 Annie Xie , Avi Singh , Sergey Levine , Chelsea Finn

In few-shot learning, typically, the loss function which is applied at test time is the one we are ultimately interested in minimising, such as the mean-squared-error loss for a regression problem. However, given that we have few samples at…

机器学习 · 计算机科学 2019-12-02 Leo Feng , Luisa Zintgraf , Bei Peng , Shimon Whiteson

The goal of few-shot learning is to classify unseen categories with few labeled samples. Recently, the low-level information metric-learning based methods have achieved satisfying performance, since local representations (LRs) are more…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Haoxing Chen , Huaxiong Li , Yaohui Li , Chunlin Chen

Few-shot object detection, the problem of modelling novel object detection categories with few training instances, is an emerging topic in the area of few-shot learning and object detection. Contemporary techniques can be divided into two…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Berkan Demirel , Orhun Buğra Baran , Ramazan Gokberk Cinbis

The smart metering infrastructure has changed how electricity is measured in both residential and industrial application. The large amount of data collected by smart meter per day provides a huge potential for analytics to support the…

机器学习 · 计算机科学 2019-05-31 Nameer Al Khafaf , Mahdi Jalili , Peter Sokolowski

For machine learning applications in medical imaging, the availability of training data is often limited, which hampers the design of radiological classifiers for subtle conditions such as autism spectrum disorder (ASD). Transfer learning…

图像与视频处理 · 电气工程与系统科学 2023-03-16 Nikhil J. Dhinagar , Vignesh Santhalingam , Katherine E. Lawrence , Emily Laltoo , Paul M. Thompson

Graph few-shot learning has attracted increasing attention due to its ability to rapidly adapt models to new tasks with only limited labeled nodes. Despite the remarkable progress made by existing graph few-shot learning methods, several…

机器学习 · 计算机科学 2025-10-23 Yonghao Liu , Yajun Wang , Chunli Guo , Wei Pang , Ximing Li , Fausto Giunchiglia , Xiaoyue Feng , Renchu Guan