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Graph Neural Networks (GNNs) have shown promising results in various tasks, among which link prediction is an important one. GNN models usually follow a node-centric message passing procedure that aggregates the neighborhood information to…

机器学习 · 计算机科学 2022-01-17 Baole Ai , Zhou Qin , Wenting Shen , Yong Li

As machine learning becomes more widely adopted across domains, it is critical that researchers and ML engineers think about the inherent biases in the data that may be perpetuated by the model. Recently, many studies have shown that such…

机器学习 · 计算机科学 2022-10-21 Sean Current , Yuntian He , Saket Gurukar , Srinivasan Parthasarathy

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…

机器学习 · 计算机科学 2022-09-30 Gen Shi , Yifan Zhu , Wenjin Liu , Quanming Yao , Xuesong Li

Link Prediction (LP) is a crucial problem in graph-structured data. Graph Neural Networks (GNNs) have gained prominence in LP, with Graph AutoEncoders (GAEs) being a notable representation. However, our empirical findings reveal that GAEs'…

机器学习 · 计算机科学 2025-02-11 Yunhui Liu , Huaisong Zhang , Xinyi Gao , Liuye Guo , Zhen Tao , Tieke He

Predicting the emergence of links in large evolving networks is a difficult task with many practical applications. Recently, the Science4cast competition has illustrated this challenge presenting a network of 64.000 AI concepts and asking…

社会与信息网络 · 计算机科学 2022-01-26 Francisco Andrades , Ricardo Ñanculef

Biomedical interaction networks have incredible potential to be useful in the prediction of biologically meaningful interactions, identification of network biomarkers of disease, and the discovery of putative drug targets. Recently, graph…

机器学习 · 计算机科学 2021-03-29 Kishan KC , Rui Li , Feng Cui , Anne Haake

The task of inferring the missing links in a graph based on its current structure is referred to as link prediction. Link prediction methods that are based on pairwise node similarity are well-established approaches in the literature. They…

社会与信息网络 · 计算机科学 2020-08-21 Md Kamrul Islam , Sabeur Aridhi , Malika Smail-Tabbone

Genotype networks are a method used in systems biology to study the "innovability" of a set of genotypes having the same phenotype. In the past they have been applied to determine the genetic heterogeneity, and stability to mutations, of…

种群与进化 · 定量生物学 2015-06-17 Giovanni Marco Dall'Olio , Jaume Bertranpetit , Andreas Wagner , Hafid Laayouni

Link prediction is a crucial task in many downstream applications of graph machine learning. To this end, Graph Neural Network (GNN) is a widely used technique for link prediction, mainly in transductive settings, where the goal is to…

机器学习 · 计算机科学 2025-03-06 Ahmed E. Samy , Zekarias T. Kefato , Sarunas Girdzijauskas

Recently, deep neural network models for graph-structured data have been demonstrating to be influential in recommendation systems. Graph Neural Network (GNN), which can generate high-quality embeddings by capturing graph-structured…

社会与信息网络 · 计算机科学 2021-03-11 Ziheng Duan , Yueyang Wang , Weihao Ye , Zixuan Feng , Qilin Fan , Xiuhua Li

Network embedding has attracted an increasing attention over the past few years. As an effective approach to solve graph mining problems, network embedding aims to learn a low-dimensional feature vector representation for each node of a…

社会与信息网络 · 计算机科学 2020-08-10 Xiao Shen , Fu-Lai Chung

Disease-gene prediction (DGP) refers to the computational challenge of predicting associations between genes and diseases. Effective solutions to the DGP problem have the potential to accelerate the therapeutic development pipeline at early…

机器学习 · 计算机科学 2019-07-15 Vikash Singh , Pietro Lio'

Not all nodes in a network are created equal. Differences and similarities exist at both individual node and group levels. Disentangling single node from group properties is crucial for network modeling and structural inference. Based on…

统计力学 · 物理学 2015-05-20 Joerg Reichardt , Roberto Alamino , David Saad

Link prediction is an important learning task for graph-structured data. In this paper, we propose a novel topological approach to characterize interactions between two nodes. Our topological feature, based on the extended persistent…

机器学习 · 计算机科学 2021-06-15 Zuoyu Yan , Tengfei Ma , Liangcai Gao , Zhi Tang , Chao Chen

Predicting drug-gene associations is crucial for drug development and disease treatment. While graph neural networks (GNN) have shown effectiveness in this task, they face challenges with data sparsity and efficient contrastive learning…

机器学习 · 计算机科学 2025-02-14 Jiayang Wu , Wensheng Gan , Philip S. Yu

Knowledge Graphs have been one of the fundamental methods for integrating heterogeneous data sources. Integrating heterogeneous data sources is crucial, especially in the biomedical domain, where central data-driven tasks such as drug…

机器学习 · 计算机科学 2020-12-22 Islam Akef Ebeid , Majdi Hassan , Tingyi Wanyan , Jack Roper , Abhik Seal , Ying Ding

Community detection, aiming to group the graph nodes into clusters with dense inner-connection, is a fundamental graph mining task. Recently, it has been studied on the heterogeneous graph, which contains multiple types of nodes and edges,…

社会与信息网络 · 计算机科学 2021-09-07 Linhao Luo , Yixiang Fang , Xin Cao , Xiaofeng Zhang , Wenjie Zhang

Link prediction, or predicting the likelihood of a link in a knowledge graph based on its existing state is a key research task. It differs from a traditional link prediction task in that the links in a knowledge graph are categorized into…

Graph Neural Networks (GNNs) are characterized by their capacity of processing graph-structured data. However, due to the sparsity of labels under semi-supervised learning, they have been found to exhibit biased performance on specific…

机器学习 · 计算机科学 2025-12-16 Yihan Zhang

Graph matching can be formalized as a combinatorial optimization problem, where there are corresponding relationships between pairs of nodes that can be represented as edges. This problem becomes challenging when there are potential…

计算机视觉与模式识别 · 计算机科学 2023-01-06 Dongdong Chen , Yuxing Dai , Lichi Zhang , Zhihong Zhang