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International Journal of Image, Graphics and Signal Processing(IJIGSP)

ISSN: 2074-9074 (Print), ISSN: 2074-9082 (Online)

Published By: MECS Press

IJIGSP Vol.11, No.11, Nov. 2019

Graph Abstraction Based on Node Betweenness Centrality

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Author(s)

Arwa M. Aldabobi, Riad S. Jabri

Index Terms

Graph abstraction;Network analysis metrics;Nodes betweenness centrality; Degree;Modularity

Abstract

There are many graph abstraction methods that are existed as solutions for problems of graphs visualization. Visualization problems include edge crossings and node occlusions that hide the potential existed patterns. The aim of this research is to abstract graphs using one of network analysis metrics which is node betweenness centrality. Betweenness centrality is calculated for all graph nodes. Graph abstraction is done by removing the nodes with their attached edges such that they have betweenness centrality lower than a certain examined threshold. Experiments have been conducted and results show that the proposed abstraction method can effectively reduce the complexity of the graph visualization in term of node degree. Modularity of clusters after filtering is decreased but the final graph visualization is simpler and more informative.

Cite This Paper

Arwa M. Aldabobi, Riad S. Jabri, " Graph Abstraction Based on Node Betweenness Centrality", International Journal of Image, Graphics and Signal Processing(IJIGSP), Vol.11, No.11, pp. 10-17, 2019.DOI: 10.5815/ijigsp.2019.11.02

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