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Zero-shot learning relies on semantic class representations such as hand-engineered attributes or learned embeddings to predict classes without any labeled examples. We propose to learn class representations by embedding nodes from common…

Machine Learning · Computer Science 2022-08-29 Nihal V. Nayak , Stephen H. Bach

We consider the problem of zero-shot recognition: learning a visual classifier for a category with zero training examples, just using the word embedding of the category and its relationship to other categories, which visual data are…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Xiaolong Wang , Yufei Ye , Abhinav Gupta

Graph neural networks (GNNs) are the dominant paradigm for classifying nodes in a graph, but they have several undesirable attributes stemming from their message passing architecture. Recently, distillation methods succeeded in eliminating…

Machine Learning · Computer Science 2024-02-09 Daniel Winter , Niv Cohen , Yedid Hoshen

Attributed networks nowadays are ubiquitous in a myriad of high-impact applications, such as social network analysis, financial fraud detection, and drug discovery. As a central analytical task on attributed networks, node classification…

Machine Learning · Computer Science 2020-11-30 Kaize Ding , Jianling Wang , Jundong Li , Kai Shu , Chenghao Liu , Huan Liu

Current Zero-Shot Learning (ZSL) approaches are restricted to recognition of a single dominant unseen object category in a test image. We hypothesize that this setting is ill-suited for real-world applications where unseen objects appear…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Shafin Rahman , Salman Khan , Fatih Porikli

The decoupled Graph Convolutional Network (GCN), a recent development of GCN that decouples the neighborhood aggregation and feature transformation in each convolutional layer, has shown promising performance for graph representation…

Machine Learning · Computer Science 2022-11-16 Jinsong Chen , Boyu Li , Kun He

Graph Convolutional Networks (GCNs) have been proved successful in the field of semi-supervised node classification by extracting structural information from graph data. However, the random selection of labeled nodes used by GCNs may lead…

Machine Learning · Computer Science 2023-01-12 Yao Xiao , Ji Xu , Jing Yang , Shaobo Li

Zero-shot graph embedding is a major challenge for supervised graph learning. Although a recent method RECT has shown promising performance, its working mechanisms are not clear and still needs lots of training data. In this paper, we give…

Machine Learning · Computer Science 2021-03-24 Zheng Wang , Ruihang Shao , Changping Wang , Changjun Hu , Chaokun Wang , Zhiguo Gong

Zero-shot learning deals with the ability to recognize objects without any visual training sample. To counterbalance this lack of visual data, each class to recognize is associated with a semantic prototype that reflects the essential…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Yannick Le Cacheux , Hervé Le Borgne , Michel Crucianu

We introduce and tackle the problem of zero-shot object detection (ZSD), which aims to detect object classes which are not observed during training. We work with a challenging set of object classes, not restricting ourselves to similar…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Ankan Bansal , Karan Sikka , Gaurav Sharma , Rama Chellappa , Ajay Divakaran

Generalized Category Discovery (GCD) aims to recognize both known and novel categories from a set of unlabeled data, based on another dataset labeled with only known categories. Without considering differences between known and novel…

Computation and Language · Computer Science 2023-03-16 Wenbin An , Feng Tian , Qinghua Zheng , Wei Ding , QianYing Wang , Ping Chen

Node classification is a fundamental problem in information retrieval with many real-world applications, such as community detection in social networks, grouping articles published online and product categorization in e-commerce. Zero-shot…

Machine Learning · Computer Science 2026-01-08 Sethupathy Parameswaran , Suresh Sundaram , Yuan Fang

Meta-learning has received a tremendous recent attention as a possible approach for mimicking human intelligence, i.e., acquiring new knowledge and skills with little or even no demonstration. Most of the existing meta-learning methods are…

Machine Learning · Computer Science 2019-05-24 Fan Zhou , Chengtai Cao , Kunpeng Zhang , Goce Trajcevski , Ting Zhong , Ji Geng

Zero-shot learning, which studies the problem of object classification for categories for which we have no training examples, is gaining increasing attention from community. Most existing ZSL methods exploit deterministic transfer learning…

Computer Vision and Pattern Recognition · Computer Science 2017-05-29 Yanan Li , Donghui Wang

Zero-shot action recognition can recognize samples of unseen classes that are unavailable in training by exploring common latent semantic representation in samples. However, most methods neglected the connotative relation and extensional…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Bin Sun , Dehui Kong , Shaofan Wang , Jinghua Li , Baocai Yin , Xiaonan Luo

Graph convolutional networks (GCNs) have achieved great success in graph representation learning by extracting high-level features from nodes and their topology. Since GCNs generally follow a message-passing mechanism, each node aggregates…

Machine Learning · Computer Science 2023-09-07 Wei Duan , Junyu Xuan , Maoying Qiao , Jie Lu

Graph Neural Networks (GNNs) have made significant advancements in node classification, but their success relies on sufficient labeled nodes per class in the training data. Real-world graph data often exhibits a long-tail distribution with…

Machine Learning · Computer Science 2025-07-01 Qilong Yan , Yufeng Zhang , Jinghao Zhang , Jingpu Duan , Jian Yin

Signal recognition is one of significant and challenging tasks in the signal processing and communications field. It is often a common situation that there's no training data accessible for some signal classes to perform a recognition task.…

Machine Learning · Computer Science 2021-05-12 Yihong Dong , Xiaohan Jiang , Huaji Zhou , Yun Lin , Qingjiang Shi

Semantic segmentation models are limited in their ability to scale to large numbers of object classes. In this paper, we introduce the new task of zero-shot semantic segmentation: learning pixel-wise classifiers for never-seen object…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

We consider the problem of \textit{true} open-world semi-supervised node classification, in which nodes in a graph either belong to known or new classes, with the latter not present during training. Existing methods detect and reject new…

Machine Learning · Computer Science 2024-06-17 Marcel Hoffmann , Lukas Galke , Ansgar Scherp
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