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Evaluating node influence is fundamental for identifying key nodes in complex networks. Existing methods typically rely on generic indicators to rank node influence across diverse networks, thereby ignoring the individualized features of…

Social and Information Networks · Computer Science 2024-05-14 Bingyu Zhu , Qingyun Sun , Jianxin Li , Daqing Li

Convolutional neural networks (CNNs) are usually used as a backbone to design methods in biomedical image segmentation. However, the limitation of receptive field and large number of parameters limit the performance of these methods. In…

Image and Video Processing · Electrical Eng. & Systems 2022-09-27 Chong Wu , Zhenan Feng , Houwang Zhang , Hong Yan

Graph neural networks (GNNs) provide powerful insights for brain neuroimaging technology from the view of graphical networks. However, most existing GNN-based models assume that the neuroimaging-produced brain connectome network is a…

Machine Learning · Computer Science 2022-09-30 Gen Shi , Yifan Zhu , Wenjin Liu , Quanming Yao , Xuesong Li

Effectively and efficiently deploying graph neural networks (GNNs) at scale remains one of the most challenging aspects of graph representation learning. Many powerful solutions have only ever been validated on comparatively small datasets,…

Recent studies have highlighted the limitations of message-passing based graph neural networks (GNNs), e.g., limited model expressiveness, over-smoothing, over-squashing, etc. To alleviate these issues, Graph Transformers (GTs) have been…

Machine Learning · Computer Science 2023-03-06 Qiheng Mao , Zemin Liu , Chenghao Liu , Jianling Sun

Identifying influential nodes in complex networks is a critical task with a wide range of applications across different domains. However, existing approaches often face trade-offs between accuracy and computational efficiency. To address…

Social and Information Networks · Computer Science 2025-07-29 Mohammed A. Ramadhan , Abdulhakeem O. Mohammed

In recent years, graph neural networks (GNNs) have been widely adopted in the representation learning of graph-structured data and provided state-of-the-art performance in various applications such as link prediction, node classification,…

Machine Learning · Computer Science 2021-04-14 Dasol Hwang , Jinyoung Park , Sunyoung Kwon , Kyung-Min Kim , Jung-Woo Ha , Hyunwoo J. Kim

Graph pre-training has been concentrated on graph-level tasks involving small graphs (e.g., molecular graphs) or learning node representations on a fixed graph. Extending graph pre-trained models to web-scale graphs with billions of nodes…

Machine Learning · Computer Science 2025-11-07 Yufei He , Zhenyu Hou , Yukuo Cen , Jun Hu , Feng He , Xu Cheng , Jie Tang , Bryan Hooi

The graph structure is a commonly used data storage mode, and it turns out that the low-dimensional embedded representation of nodes in the graph is extremely useful in various typical tasks, such as node classification, link prediction ,…

Social and Information Networks · Computer Science 2020-08-03 Xing Li , Wei Wei , Xiangnan Feng , Xue Liu , Zhiming Zheng

Advanced graph neural networks have shown great potentials in graph classification tasks recently. Different from node classification where node embeddings aggregated from local neighbors can be directly used to learn node labels, graph…

Machine Learning · Computer Science 2022-03-16 Hao Jia , Junzhong Ji , Minglong Lei

Skip connection engineering is primarily employed to address the semantic gap between the encoder and decoder, while also integrating global dependencies to understand the relationships among complex anatomical structures in medical image…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Ju-Hyeon Nam , Nur Suriza Syazwany , Sang-Chul Lee

Heterogeneous Information Networks (HINs), which consist of various types of nodes and edges, have recently demonstrated excellent performance in graph mining. However, most existing heterogeneous graph neural networks (HGNNs) ignore the…

Machine Learning · Computer Science 2024-11-20 Yige Zhao , Jianxiang Yu , Yao Cheng , Chengcheng Yu , Yiding Liu , Xiang Li , Shuaiqiang Wang

Recent years have witnessed the rapid development of heterogeneous graph neural networks (HGNNs) in information retrieval (IR) applications. Many existing HGNNs design a variety of tailor-made graph convolutions to capture structural and…

Machine Learning · Computer Science 2023-08-15 Chenguang Du , Kaichun Yao , Hengshu Zhu , Deqing Wang , Fuzhen Zhuang , Hui Xiong

Methods that learn representations of nodes in a graph play a critical role in network analysis since they enable many downstream learning tasks. We propose Graph2Gauss - an approach that can efficiently learn versatile node embeddings on…

Machine Learning · Statistics 2019-04-02 Aleksandar Bojchevski , Stephan Günnemann

Influence function, a method from robust statistics, measures the changes of model parameters or some functions about model parameters concerning the removal or modification of training instances. It is an efficient and useful post-hoc…

Machine Learning · Computer Science 2023-01-27 Zizhang Chen , Peizhao Li , Hongfu Liu , Pengyu Hong

Graphs are a central representation in biomedical research, capturing molecular interaction networks, gene regulatory circuits, cell--cell communication maps, and knowledge graphs. Despite their importance, currently there is not a broadly…

Machine Learning · Computer Science 2026-04-09 Sakib Mostafa , Lei Xing , Md. Tauhidul Islam

We present a novel end-to-end framework that generates highly compact (typically 6-15 dimensions), discrete (int4 type), and interpretable node representations, termed node identifiers (node IDs), to tackle inference challenges on…

Machine Learning · Computer Science 2024-10-21 Yuankai Luo , Hongkang Li , Qijiong Liu , Lei Shi , Xiao-Ming Wu

Recently, graph-based semi-supervised learning and pseudo-labeling have gained attention due to their effectiveness in reducing the need for extensive data annotations. Pseudo-labeling uses predictions from unlabeled data to improve model…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Jingjun Bi , Fadi Dornaika

In this work, we address semi-supervised classification of graph data, where the categories of those unlabeled nodes are inferred from labeled nodes as well as graph structures. Recent works often solve this problem via advanced graph…

Machine Learning · Computer Science 2020-01-20 Chunyan Xu , Zhen Cui , Xiaobin Hong , Tong Zhang , Jian Yang , Wei Liu

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…

Machine Learning · Computer Science 2022-09-05 Namkyeong Lee , Dongmin Hyun , Junseok Lee , Chanyoung Park