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Knowledge distillation, a technique recently gaining popularity for enhancing model generalization in Convolutional Neural Networks (CNNs), operates under the assumption that both teacher and student models are trained on identical data…

机器学习 · 计算机科学 2024-12-06 Can Wang , Zhe Wang , Defang Chen , Sheng Zhou , Yan Feng , Chun Chen

Interpreting the predictions of a black-box deep network can facilitate the reliability of its deployment. In this work, we propose a re-label distillation approach to learn a direct map from the input to the prediction in a…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Yingying Hua , Shiming Ge , Daichi Zhang

Over the past few years, graph representation learning (GRL) has been a powerful strategy for analyzing graph-structured data. Recently, GRL methods have shown promising results by adopting self-supervised learning methods developed for…

机器学习 · 计算机科学 2022-09-05 Namkyeong Lee , Dongmin Hyun , Junseok Lee , Chanyoung Park

Graph neural networks (GNNs) have become one of the most popular research topics in both academia and industry communities for their strong ability in handling irregular graph data. However, large-scale datasets are posing great challenges…

机器学习 · 计算机科学 2022-10-26 Jiongyu Guo , Defang Chen , Can Wang

In leveraging manifold learning in domain adaptation (DA), graph embedding-based DA methods have shown their effectiveness in preserving data manifold through the Laplace graph. However, current graph embedding DA methods suffer from two…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Lingkun Luo , Liming Chen , Shiqiang Hu

In many real-world network datasets such as co-authorship, co-citation, email communication, etc., relationships are complex and go beyond pairwise. Hypergraphs provide a flexible and natural modeling tool to model such complex…

机器学习 · 计算机科学 2019-05-23 Naganand Yadati , Madhav Nimishakavi , Prateek Yadav , Vikram Nitin , Anand Louis , Partha Talukdar

Graph learning (GL) can dynamically capture the distribution structure (graph structure) of data based on graph convolutional networks (GCN), and the learning quality of the graph structure directly influences GCN for semi-supervised…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Guangfeng Lin , Xiaobing Kang , Kaiyang Liao , Fan Zhao , Yajun Chen

Graph Convolutional Networks (GCNs) are widely used to improve recommendation accuracy and performance by effectively learning the representations of user and item nodes. However, two major challenges remain: (1) the lack of further…

信息检索 · 计算机科学 2025-05-15 Tao Huang , Yihong Chen , Wei Fan , Wei Zhou , Junhao Wen

Modeling complex spatial and temporal correlations in the correlated time series data is indispensable for understanding the traffic dynamics and predicting the future status of an evolving traffic system. Recent works focus on designing…

机器学习 · 计算机科学 2020-10-23 Lei Bai , Lina Yao , Can Li , Xianzhi Wang , Can Wang

Graph Neural Networks (GNNs) have achieved great success in processing graph data by extracting and propagating structure-aware features. Existing GNN research designs various propagation schemes to guide the aggregation of neighbor…

机器学习 · 计算机科学 2021-12-03 Jun Hu , Shengsheng Qian , Quan Fang , Changsheng Xu

Multi-label image recognition is a task that predicts a set of object labels in an image. As the objects co-occur in the physical world, it is desirable to model label dependencies. Previous existing methods resort to either recurrent…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Qing Li , Xiaojiang Peng , Yu Qiao , Qiang Peng

Graph convolutional networks (GCNs) are vulnerable to perturbations of the graph structure that are either random, or, adversarially designed. The perturbed links modify the graph neighborhoods, which critically affects the performance of…

机器学习 · 计算机科学 2019-10-23 Vassilis N. Ioannidis , Georgios B. Giannakis

In visual tasks, large teacher models capture essential features and deep information, enhancing performance. However, distilling this information into smaller student models often leads to performance loss due to structural differences and…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Zhiwei Wang , Jun Huang , Longhua Ma , Chengyu Wu , Hongyu Ma

In this paper we use a time-evolving graph which consists of a sequence of graph snapshots over time to model many real-world networks. We study the path classification problem in a time-evolving graph, which has many applications in…

机器学习 · 计算机科学 2019-05-22 Jia Li , Zhichao Han , Hong Cheng , Jiao Su , Pengyun Wang , Jianfeng Zhang , Lujia Pan

Graph contrastive learning defines a contrastive task to pull similar instances close and push dissimilar instances away. It learns discriminative node embeddings without supervised labels, which has aroused increasing attention in the past…

机器学习 · 计算机科学 2023-04-25 Lin Shu , Chuan Chen , Zibin Zheng

Existing graph contrastive learning methods rely on augmentation techniques based on random perturbations (e.g., randomly adding or dropping edges and nodes). Nevertheless, altering certain edges or nodes can unexpectedly change the graph…

机器学习 · 计算机科学 2022-11-08 Huidong Liang , Xingjian Du , Bilei Zhu , Zejun Ma , Ke Chen , Junbin Gao

Effectively utilizing extensive unlabeled high-density EEG data to improve performance in scenarios with limited labeled low-density EEG data presents a significant challenge. In this paper, we address this challenge by formulating it as a…

机器学习 · 计算机科学 2025-07-09 Xinxu Wei , Kanhao Zhao , Yong Jiao , Hua Xie , Lifang He , Yu Zhang

Self-supervised learning, which learns by constructing artificial labels given only the input signals, has recently gained considerable attention for learning representations with unlabeled datasets, i.e., learning without any…

机器学习 · 计算机科学 2020-06-30 Hankook Lee , Sung Ju Hwang , Jinwoo Shin

Graph Neural Networks (GNNs) have demonstrated promising results on exploiting node representations for many downstream tasks through supervised end-to-end training. To deal with the widespread label scarcity issue in real-world…

机器学习 · 计算机科学 2023-08-02 Cheng Wu , Chaokun Wang , Jingcao Xu , Ziyang Liu , Kai Zheng , Xiaowei Wang , Yang Song , Kun Gai

Graph embedding (GE) methods embed nodes (and/or edges) in graph into a low-dimensional semantic space, and have shown its effectiveness in modeling multi-relational data. However, existing GE models are not practical in real-world…

机器学习 · 计算机科学 2020-11-25 Xiaoyu Kou , Yankai Lin , Shaobo Liu , Peng Li , Jie Zhou , Yan Zhang