Results 11 to 20 of about 437,099 (249)

Survey of Knowledge Graph Reasoning Based on Representation Learning [PDF]

open access: yesJisuanji kexue, 2023
Knowledge graphs describe objective knowledge in the real world in a structured form,and are confronted with issues of completeness and newly-added knowledge.As an important means of complementing and updating knowledge graphs,know-ledge graph reasoning ...
LI Zhifei, ZHAO Yue, ZHANG Yan
doaj   +1 more source

Graph Neural Network Defense Combined with Contrastive Learning [PDF]

open access: yesJisuanji kexue yu tansuo, 2023
Although graph neural networks have achieved good performance in the field of graph representation learning, recent studies have shown that graph neural networks are more susceptible to adversarial attacks on graph structure, namely, by adding well ...
CHEN Na, HUANG Jincheng, LI Ping
doaj   +1 more source

Graph Neural Networks in Network Neuroscience

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2023
Noninvasive medical neuroimaging has yielded many discoveries about the brain connectivity. Several substantial techniques mapping morphological, structural and functional brain connectivities were developed to create a comprehensive road map of neuronal activities in the human brain -namely brain graph.
Alaa Bessadok   +2 more
openaire   +4 more sources

Power System Network Topology Identification Based on Knowledge Graph and Graph Neural Network

open access: yesFrontiers in Energy Research, 2021
The automatic identification of the topology of power networks is important for the data-driven and situation-aware operation of power grids. Traditional methods of topology identification lack a data-tolerant mechanism, and the accuracy of their ...
Changgang Wang, Jun An, Jun An, Gang Mu
doaj   +1 more source

Deep hybrid: Multi-graph neural network collaboration for hyperspectral image classification

open access: yesDefence Technology, 2023
With limited number of labeled samples, hyperspectral image (HSI) classification is a difficult Problem in current research. The graph neural network (GNN) has emerged as an approach to semi-supervised classification, and the application of GNN to ...
Ding Yao   +6 more
doaj   +1 more source

Graph neural network [PDF]

open access: yesSCIENTIA SINICA Mathematica, 2020
Summary: In recent years, with the emergence of massive data, graph structure data that can represent complex relationships between objects has received more and more attention and has brought great challenges to existing algorithms. As a deep topology information can be revealed, graph neural network models have been widely used in many fields such as
Bai, Bo   +7 more
openaire   +1 more source

An Integrative Network Science and Artificial Intelligence Drug Repurposing Approach for Muscle Atrophy in Spaceflight Microgravity

open access: yesFrontiers in Cell and Developmental Biology, 2021
Muscle atrophy is a side effect of several terrestrial diseases which also affects astronauts severely in space missions due to the reduced gravity in spaceflight.
Vidya Manian   +2 more
doaj   +1 more source

Convolutional Neural Network Outperforms Graph Neural Network on the Spatially Variant Graph Data

open access: yesMathematics, 2023
Applying machine learning algorithms to graph-structured data has garnered significant attention in recent years due to the prevalence of inherent graph structures in real-life datasets.
Anna Boronina   +2 more
doaj   +1 more source

Intelligent prediction method of network performance based on graph neural network

open access: yesDianxin kexue, 2022
There are some problems in the traditional network performance prediction technology, such as incomplete network state acquisition and poor accuracy of network performance evaluation.Combined with the characteristics of graph neural network learning and ...
Yijiang LI   +5 more
doaj   +2 more sources

Factor Graph Neural Networks

open access: yes, 2023
In recent years, we have witnessed a surge of Graph Neural Networks (GNNs), most of which can learn powerful representations in an end-to-end fashion with great success in many real-world applications. They have resemblance to Probabilistic Graphical Models (PGMs), but break free from some limitations of PGMs.
Zhang, Zhen   +4 more
openaire   +3 more sources

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