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Graph representation learning has attracted tremendous attention due to its remarkable performance in many real-world applications. However, prevailing supervised graph representation learning models for specific tasks often suffer from…

Machine Learning · Computer Science 2022-06-08 Chuxu Zhang , Kaize Ding , Jundong Li , Xiangliang Zhang , Yanfang Ye , Nitesh V. Chawla , Huan Liu

In this work, we propose to study the utility of different meta-graphs, as well as how to simultaneously leverage multiple meta-graphs for HIN embedding in an unsupervised manner. Motivated by prolific research on homogeneous networks,…

Machine Learning · Computer Science 2019-10-02 Carl Yang , Yichen Feng , Pan Li , Yu Shi , Jiawei Han

Popular approaches for few-shot classification consist of first learning a generic data representation based on a large annotated dataset, before adapting the representation to new classes given only a few labeled samples. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Nikita Dvornik , Cordelia Schmid , Julien Mairal

Few-shot semantic segmentation addresses the learning task in which only few images with ground truth pixel-level labels are available for the novel classes of interest. One is typically required to collect a large mount of data (i.e., base…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Yuan-Hao Lee , Fu-En Yang , Yu-Chiang Frank Wang

Graph Neural Networks (GNNs), a generalization of deep neural networks on graph data have been widely used in various domains, ranging from drug discovery to recommender systems. However, GNNs on such applications are limited when there are…

Machine Learning · Computer Science 2021-11-09 Debmalya Mandal , Sourav Medya , Brian Uzzi , Charu Aggarwal

Graph-structured data, prevalent in domains ranging from social networks to biochemical analysis, serve as the foundation for diverse real-world systems. While graph neural networks demonstrate proficiency in modeling this type of data,…

Machine Learning · Computer Science 2024-06-21 Wei Ju , Siyu Yi , Yifan Wang , Qingqing Long , Junyu Luo , Zhiping Xiao , Ming Zhang

Graphs are pervasive in the real-world, such as social network analysis, bioinformatics, and knowledge graphs. Graph neural networks (GNNs) have great ability in node classification, a fundamental task on graphs. Unfortunately, conventional…

Machine Learning · Computer Science 2024-09-05 Quan Li , Tianxiang Zhao , Lingwei Chen , Junjie Xu , Suhang Wang

Meta-learning aims at learning quickly on novel tasks with limited data by transferring generic experience learned from previous tasks. Naturally, few-shot learning has been one of the most popular applications for meta-learning. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Yudong Chen , Chaoyu Guan , Zhikun Wei , Xin Wang , Wenwu Zhu

We address the problem of merging graph and feature-space information while learning a metric from structured data. Existing algorithms tackle the problem in an asymmetric way, by either extracting vectorized summaries of the graph…

Machine Learning · Computer Science 2020-02-17 Nicolo Colombo

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

Learning high quality class representations from few examples is a key problem in metric-learning approaches to few-shot learning. To accomplish this, we introduce a novel architecture where class representations are conditioned for each…

Machine Learning · Computer Science 2018-02-14 Nathan Hilliard , Lawrence Phillips , Scott Howland , Artëm Yankov , Courtney D. Corley , Nathan O. Hodas

Graph Neural Networks (GNNs) have become the state-of-the-art method for many applications on graph structured data. GNNs are a model for graph representation learning, which aims at learning to generate low dimensional node embeddings that…

Machine Learning · Computer Science 2022-05-23 Davide Buffelli , Fabio Vandin

Few-shot learning aims to learn novel categories from very few samples given some base categories with sufficient training samples. The main challenge of this task is the novel categories are prone to dominated by color, texture, shape of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Riquan Chen , Tianshui Chen , Xiaolu Hui , Hefeng Wu , Guanbin Li , Liang Lin

Few-shot classification is the task of predicting the category of an example from a set of few labeled examples. The number of labeled examples per category is called the number of shots (or shot number). Recent works tackle this task…

Machine Learning · Computer Science 2022-06-22 Tianshi Cao , Marc Law , Sanja Fidler

In image classification, it is common practice to train deep networks to extract a single feature vector per input image. Few-shot classification methods also mostly follow this trend. In this work, we depart from this established direction…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Arman Afrasiyabi , Hugo Larochelle , Jean-François Lalonde , Christian Gagné

To address the annotation scarcity issue in some cases of semantic segmentation, there have been a few attempts to develop the segmentation model in the few-shot learning paradigm. However, most existing methods only focus on the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Pinzhuo Tian , Zhangkai Wu , Lei Qi , Lei Wang , Yinghuan Shi , Yang Gao

Few-shot learning is a promising approach to molecular property prediction as supervised data is often very limited. However, many important molecular properties depend on complex molecular characteristics -- such as the various 3D…

Machine Learning · Computer Science 2023-10-10 Christopher Fifty , Joseph M. Paggi , Ehsan Amid , Jure Leskovec , Ron Dror

Modern data analysis pipelines are becoming increasingly complex due to the presence of multi-view information sources. While graphs are effective in modeling complex relationships, in many scenarios a single graph is rarely sufficient to…

Machine Learning · Statistics 2019-04-02 Uday Shankar Shanthamallu , Jayaraman J. Thiagarajan , Huan Song , Andreas Spanias

Link prediction is an important way to complete knowledge graphs (KGs), while embedding-based methods, effective for link prediction in KGs, perform poorly on relations that only have a few associative triples. In this work, we propose a…

Computation and Language · Computer Science 2019-09-05 Mingyang Chen , Wen Zhang , Wei Zhang , Qiang Chen , Huajun Chen

In this paper we reformulate few-shot classification as a reconstruction problem in latent space. The ability of the network to reconstruct a query feature map from support features of a given class predicts membership of the query in that…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Davis Wertheimer , Luming Tang , Bharath Hariharan