Results 11 to 20 of about 366,766 (262)

Adaptive Propagation Graph Convolutional Networks Based on Attention Mechanism

open access: yesInformation, 2022
The main steps in a graph neural network are message propagation and aggregation between nodes. Message propagation allows messages from distant nodes in the graph to be transmitted to the central node, while feature aggregation allows the central node ...
Chenfang Zhang, Yong Gan, Ruisen Yang
doaj   +1 more source

ATPGNN: Reconstruction of Neighborhood in Graph Neural Networks With Attention-Based Topological Patterns

open access: yesIEEE Access, 2021
Graph Neural Networks (GNNs) have been applied in many fields of semi-supervised node classification for non-Euclidean data. However, some GNNs cannot make good use of positive information brought by nodes which are far away from each central node for ...
Kehao Wang   +7 more
doaj   +1 more source

Real Quadratic-Form-Based Graph Pooling for Graph Neural Networks

open access: yesMachine Learning and Knowledge Extraction, 2022
Graph neural networks (GNNs) have developed rapidly in recent years because they can work over non-Euclidean data and possess promising prediction power in many real-word applications.
Youfa Liu, Guo Chen
doaj   +1 more source

Local Graph Point Attention Network in Point Cloud Segmentation

open access: yesIEEE Access, 2023
Exploiting global factors and embedding them directly into local graphs in point clouds are challenging due to dense points and irregular structure. To accomplish this goal, we propose a novel end-to-end trainable graph attention network that extracts ...
Anh-Thuan Tran   +3 more
doaj   +1 more source

On matching number, decomposition and representation of well-formed graph

open access: yesElectronic Journal of Graph Theory and Applications, 2023
In this paper, we find a special type of non-traceable cubic bridge graph called well-formed graph whose central fragment is isomorphic to a hairy cycle and whose branches are pairwise isomorphic.
Alex Ralph Baisa Nieva, Karen P. Nocum
doaj   +1 more source

On central trees of a graph [PDF]

open access: yes, 1981
The concept of central trees of a graph has attracted our attention in relation to electrical network theory. Until now, however, only a few properties of central trees have been clarified. In this paper, in connection with the critical sets of the edge set of a graph, some new theorems on central trees of the graph are presented.
Shoji Shinoda, Tatsuya Kawamoto
openaire   +1 more source

Centrality-constrained graph embedding [PDF]

open access: yes2013 IEEE International Conference on Acoustics, Speech and Signal Processing, 2013
Submitted to ICASSP May ...
Brian Baingana, Georgios B. Giannakis
openaire   +2 more sources

Attachment Centrality for Weighted Graphs [PDF]

open access: yesProceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence, 2017
Measuring how central nodes are in terms of connecting a network has recently received increasing attention in the literature. While a few dedicated centrality measures have been proposed, Skibski et al. [2016] showed that the Attachment Centrality is the only one that satisfies certain natural axioms desirable for connectivity.
Sosnowska, Jadwiga, Skibski, Oskar
openaire   +2 more sources

ACHROMATIC COLORING OF QUADRILATERAL SNAKES

open access: yesJournal of Amasya University the Institute of Sciences and Technology, 2021
The Main objective of this article is to discuss achromatic coloring and to investigate the achromatic number of the central graph of quadrilateral snake, double quadrilateral snake, triple quadrilateral snake, k-quadrilateral snake, alternate ...
Yashwant Panwar, Akhlak Mansurı
doaj  

Commuting Conjugacy Class Graph of G when G / Z(G)~=D2n [PDF]

open access: yesMathematics Interdisciplinary Research, 2020
Suppose G is a finite non-abelian group and Γ(G) is a simple graph with the non-central conjugacy classes of G as its vertex set. Two different noncentral conjugacy classes C and B are assumed to be adjacent in Γ(G) if and only if there are elements a ...
Mohammad Ali Salahshour
doaj   +1 more source

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