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Recently, graph neural networks (GNNs) have shown powerful ability to handle few-shot classification problem, which aims at classifying unseen samples when trained with limited labeled samples per class. GNN-based few-shot learning…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Yurong Guo , Zhanyu Ma , Xiaoxu Li , Yuan Dong

Few-shot learning has been proposed and rapidly emerging as a viable means for completing various tasks. Many few-shot models have been widely used for relation learning tasks. However, each of these models has a shortage of capturing a…

计算与语言 · 计算机科学 2021-05-26 Qing Lin , Yongbin Liu , Wen Wen , Zhihua Tao

For person re-identification (re-id), attention mechanisms have become attractive as they aim at strengthening discriminative features and suppressing irrelevant ones, which matches well the key of re-id, i.e., discriminative feature…

计算机视觉与模式识别 · 计算机科学 2020-03-30 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Xin Jin , Zhibo Chen

We propose to study the problem of few-shot learning with the prism of inference on a partially observed graphical model, constructed from a collection of input images whose label can be either observed or not. By assimilating generic…

机器学习 · 统计学 2018-02-21 Victor Garcia , Joan Bruna

The paradigm of Transformers using the self-attention mechanism has manifested its advantage in learning graph-structured data. Yet, Graph Transformers are capable of modeling full range dependencies but are often deficient in extracting…

机器学习 · 计算机科学 2024-09-11 Minhong Zhu , Zhenhao Zhao , Weiran Cai

Fine Grained Visual Categorization (FGVC) remains a challenging task in computer vision due to subtle inter class differences and fragile feature representations. Existing methods struggle in fine grained scenarios, especially when labeled…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Mingquan Liu

Graph few-shot learning, which aims to classify nodes from novel classes with only a few labeled examples, is a widely studied problem in graph learning. However, existing methods often face two key limitations. First, the predominant graph…

人工智能 · 计算机科学 2026-05-26 Renchu Guan , Yajun Wang , Chunli Guo , Bowen Cao , Fausto Giunchiglia , Wei Pang , Yonghao Liu , Xiaoyue Feng

Real-world knowledge graphs are often characterized by low-frequency relations - a challenge that has prompted an increasing interest in few-shot link prediction methods. These methods perform link prediction for a set of new relations,…

人工智能 · 计算机科学 2021-02-09 Dora Jambor , Komal Teru , Joelle Pineau , William L. Hamilton

We present FewRel 2.0, a more challenging task to investigate two aspects of few-shot relation classification models: (1) Can they adapt to a new domain with only a handful of instances? (2) Can they detect none-of-the-above (NOTA)…

计算与语言 · 计算机科学 2019-10-17 Tianyu Gao , Xu Han , Hao Zhu , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

Most existing knowledge graphs suffer from incompleteness. Embedding knowledge graphs into continuous vector spaces has recently attracted increasing interest in knowledge base completion. However, in most existing embedding methods, only…

信息检索 · 计算机科学 2020-11-18 Zhenghao Zhang , Jianbin Huang , Qinglin Tan

Standard few-shot relation classification (RC) is designed to learn a robust classifier with only few labeled data for each class. However, previous works rarely investigate the effects of a different number of classes (i.e., $N$-way) and…

机器学习 · 计算机科学 2021-10-19 Hongru Wang , Zhijing Jin , Jiarun Cao , Gabriel Pui Cheong Fung , Kam-Fai Wong

In many domains, relationships between categories are encoded in the knowledge graph. Recently, promising results have been achieved by incorporating knowledge graph as side information in hard classification tasks with severely limited…

机器学习 · 计算机科学 2021-02-16 Ethan Shen , Maria Brbic , Nicholas Monath , Jiaqi Zhai , Manzil Zaheer , Jure Leskovec

Multi-view learning has progressed rapidly in recent years. Although many previous studies assume that each instance appears in all views, it is common in real-world applications for instances to be missing from some views, resulting in…

机器学习 · 计算机科学 2022-08-30 Pengfei Zhu , Xinjie Yao , Yu Wang , Meng Cao , Binyuan Hui , Shuai Zhao , Qinghua Hu

Towards the challenging problem of semi-supervised node classification, there have been extensive studies. As a frontier, Graph Neural Networks (GNNs) have aroused great interest recently, which update the representation of each node by…

机器学习 · 计算机科学 2020-05-12 Huaxiu Yao , Chuxu Zhang , Ying Wei , Meng Jiang , Suhang Wang , Junzhou Huang , Nitesh V. Chawla , Zhenhui Li

Face information is mainly concentrated among facial key points, and frontier research has begun to use graph neural networks to segment faces into patches as nodes to model complex face representations. However, these methods construct…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Yiping Zhang , Yuntao Shou , Wei Ai , Tao Meng , Keqin Li

Attention networks show promise for both vision and language tasks, by emphasizing relationships between constituent elements through weighting functions. Such elements could be regions in an image output by a region proposal network, or…

机器学习 · 计算机科学 2019-10-07 Chu Wang , Babak Samari , Vladimir Kim , Siddhartha Chaudhuri , Kaleem Siddiqi

Few-shot relation extraction aims to recognize novel relations with few labeled sentences in each relation. Previous metric-based few-shot relation extraction algorithms identify relationships by comparing the prototypes generated by the…

计算与语言 · 计算机科学 2023-05-12 Zhongju Yuan , Zhenkun Wang , Genghui Li

Few-shot learning is a challenging problem that has attracted more and more attention recently since abundant training samples are difficult to obtain in practical applications. Meta-learning has been proposed to address this issue, which…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Xian Zhong , Cheng Gu , Wenxin Huang , Lin Li , Shuqin Chen , Chia-Wen Lin

Knowledge graphs (KGs) are ubiquitous and widely used in various applications. However, most real-world knowledge graphs are incomplete, which significantly degrades their performance on downstream tasks. Additionally, the relationships in…

人工智能 · 计算机科学 2025-04-08 Lihui Liu , Zihao Wang , Dawei Zhou , Ruijie Wang , Yuchen Yan , Bo Xiong , Sihong He , Kai Shu , Hanghang Tong

Few-shot object detection (FSOD) aims to detect never-seen objects using few examples. This field sees recent improvement owing to the meta-learning techniques by learning how to match between the query image and few-shot class examples,…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Guangxing Han , Yicheng He , Shiyuan Huang , Jiawei Ma , Shih-Fu Chang