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Despite the ample availability of graph data, obtaining vertex labels is a tedious and expensive task. Therefore, it is desirable to learn from a few labeled vertices only. Existing few-shot learners assume a class oracle, which provides…

机器学习 · 计算机科学 2025-04-29 Felix Burr , Marcel Hoffmann , Ansgar Scherp

Deep neural networks have been able to outperform humans in some cases like image recognition and image classification. However, with the emergence of various novel categories, the ability to continuously widen the learning capability of…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Nihar Bendre , Hugo Terashima Marín , Peyman Najafirad

State-of-the-art semantic segmentation methods require sufficient labeled data to achieve good results and hardly work on unseen classes without fine-tuning. Few-shot segmentation is thus proposed to tackle this problem by learning a model…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Zhuotao Tian , Hengshuang Zhao , Michelle Shu , Zhicheng Yang , Ruiyu Li , Jiaya Jia

We propose a method that can perform one-class classification given only a small number of examples from the target class and none from the others. We formulate the learning of meaningful features for one-class classification as a…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Gabriel Dahia , Maurício Pamplona Segundo

A meta-model is trained on a distribution of similar tasks such that it learns an algorithm that can quickly adapt to a novel task with only a handful of labeled examples. Most of current meta-learning methods assume that the meta-training…

机器学习 · 计算机科学 2019-04-12 Minseop Park , Jungtaek Kim , Saehoon Kim , Yanbin Liu , Seungjin Choi

Few-shot learning aims to adapt knowledge learned from previous tasks to novel tasks with only a limited amount of labeled data. Research literature on few-shot learning exhibits great diversity, while different algorithms often excel at…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Chi Zhang , Henghui Ding , Guosheng Lin , Ruibo Li , Changhu Wang , Chunhua Shen

Few-shot NER needs to effectively capture information from limited instances and transfer useful knowledge from external resources. In this paper, we propose a self-describing mechanism for few-shot NER, which can effectively leverage…

计算与语言 · 计算机科学 2022-03-24 Jiawei Chen , Qing Liu , Hongyu Lin , Xianpei Han , Le Sun

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

信息检索 · 计算机科学 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

Few-shot learning remains challenging for meta-learning that learns a learning algorithm (meta-learner) from many related tasks. In this work, we argue that this is due to the lack of a good representation for meta-learning, and propose…

机器学习 · 计算机科学 2018-02-13 Fengwei Zhou , Bin Wu , Zhenguo Li

Gradient-based meta-learning techniques are both widely applicable and proficient at solving challenging few-shot learning and fast adaptation problems. However, they have practical difficulties when operating on high-dimensional parameter…

机器学习 · 计算机科学 2019-03-27 Andrei A. Rusu , Dushyant Rao , Jakub Sygnowski , Oriol Vinyals , Razvan Pascanu , Simon Osindero , Raia Hadsell

Viewpoint estimation for known categories of objects has been improved significantly thanks to deep networks and large datasets, but generalization to unknown categories is still very challenging. With an aim towards improving performance…

计算机视觉与模式识别 · 计算机科学 2019-08-02 Hung-Yu Tseng , Shalini De Mello , Jonathan Tremblay , Sifei Liu , Stan Birchfield , Ming-Hsuan Yang , Jan Kautz

The prototypical network (ProtoNet) is a few-shot learning framework that performs metric learning and classification using the distance to prototype representations of each class. It has attracted a great deal of attention recently since…

机器学习 · 计算机科学 2020-09-29 Kei Mukaiyama , Issei Sato , Masashi Sugiyama

Few-shot learning aims to recognize novel classes with few examples. Pre-training based methods effectively tackle the problem by pre-training a feature extractor and then fine-tuning it through the nearest centroid based meta-learning.…

计算机视觉与模式识别 · 计算机科学 2021-08-21 Baoquan Zhang , Xutao Li , Yunming Ye , Shanshan Feng

The use of meta-learning and transfer learning in the task of few-shot image classification is a well researched area with many papers showcasing the advantages of transfer learning over meta-learning in cases where data is plentiful and…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Joshua Ball

Network anomaly detection aims to find network elements (e.g., nodes, edges, subgraphs) with significantly different behaviors from the vast majority. It has a profound impact in a variety of applications ranging from finance, healthcare to…

机器学习 · 计算机科学 2021-02-23 Kaize Ding , Qinghai Zhou , Hanghang Tong , Huan Liu

Metric learning aims to build a distance metric typically by learning an effective embedding function that maps similar objects into nearby points in its embedding space. Despite recent advances in deep metric learning, it remains…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Deunsol Jung , Dahyun Kang , Suha Kwak , Minsu Cho

Most approaches in few-shot learning rely on costly annotated data related to the goal task domain during (pre-)training. Recently, unsupervised meta-learning methods have exchanged the annotation requirement for a reduction in few-shot…

机器学习 · 计算机科学 2020-06-23 Carlos Medina , Arnout Devos , Matthias Grossglauser

Meta-learning algorithms are widely used for few-shot learning. For example, image recognition systems that readily adapt to unseen classes after seeing only a few labeled examples. Despite their success, we show that modern meta-learning…

机器学习 · 计算机科学 2021-10-28 Mayank Agarwal , Mikhail Yurochkin , Yuekai Sun

Few-shot segmentation aims to segment unseen-class objects given only a handful of densely labeled samples. Prototype learning, where the support feature yields a singleor several prototypes by averaging global and local object information,…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Ehtesham Iqbal , Sirojbek Safarov , Seongdeok Bang

Entity linking aims to link ambiguous mentions to their corresponding entities in a knowledge base, which is significant and fundamental for various downstream applications, e.g., knowledge base completion, question answering, and…

计算与语言 · 计算机科学 2022-07-20 Xiuxing Li , Zhenyu Li , Zhengyan Zhang , Ning Liu , Haitao Yuan , Wei Zhang , Zhiyuan Liu , Jianyong Wang