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Published in: Journal of Intelligent Information Systems 1/2022

16-09-2021

IbLT: An effective granular computing framework for hierarchical community detection

Authors: Shun Fu, Guoyin Wang, Ji Xu, Shuyin Xia

Published in: Journal of Intelligent Information Systems | Issue 1/2022

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Abstract

Mapping the vertices of network onto a tree helps to reveal the hierarchical community structures. The leading tree is a granular computing (GrC) model for efficient hierarchical clustering and it requires two elements: the distance between granules, and the density calculated in Euclidean space. For the non-Euclidean network data, the vertices need to be embedded in the Euclidean space before density calculation. This results in the marginalization of community centers. This paper proposes a new hierarchical community detection framework, called Importance-based Leading Tree (IbLT). Different from the density-based leading tree, IbLT calculates the structural similarity between vertices and the importance of the vertices respectively. It generates leading trees that match the structural features of the vertices, and thus, IbLT obtains more accurate results for the detection of hierarchical community structures. Experiments are conducted to evaluate the performance of the proposed novel IbLT-based method. On social network community detection task, the quantitative results show that this method achieves competitive accuracy.

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Metadata
Title
IbLT: An effective granular computing framework for hierarchical community detection
Authors
Shun Fu
Guoyin Wang
Ji Xu
Shuyin Xia
Publication date
16-09-2021
Publisher
Springer US
Published in
Journal of Intelligent Information Systems / Issue 1/2022
Print ISSN: 0925-9902
Electronic ISSN: 1573-7675
DOI
https://doi.org/10.1007/s10844-021-00668-3

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