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DOI: 10.14569/IJACSA.2017.080148
PDF

Community Detection in Networks using Node Attributes and Modularity

Author 1: Yousra Asim
Author 2: Rubina Ghazal
Author 3: Wajeeha Naeem
Author 4: Abdul Majeed
Author 5: Basit Raza
Author 6: Ahmad Kamran Malik

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 8 Issue 1, 2017.

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Abstract: Community detection in network is of vital importance to find cohesive subgroups. Node attributes can improve the accuracy of community detection when combined with link information in a graph. Community detection using node attributes has not been investigated in detail. To explore the aforementioned idea, we have adopted an approach by modifying the Louvain algorithm. We have proposed Louvain-AND-Attribute (LAA) and Louvain-OR-Attribute (LOA) methods to analyze the effect of using node attributes with modularity. We compared this approach with existing community detection approaches using different datasets. We found the performance of both algorithms better than Newman’s Eigenvector method in achieving modularity and relatively good results of gain in modularity in LAA than LOA. We used density, internal and external edge density for the evaluation of quality of detected communities. LOA provided highly dense partitions in the network as compared to Louvain and Eigenvector algorithms and close values to Clauset. Moreover, LOA achieved few numbers of edges between communities.

Keywords: Community Detection; Louvain algorithm; Node attributes; and Modularity

Yousra Asim, Rubina Ghazal, Wajeeha Naeem, Abdul Majeed, Basit Raza and Ahmad Kamran Malik, “Community Detection in Networks using Node Attributes and Modularity” International Journal of Advanced Computer Science and Applications(IJACSA), 8(1), 2017. http://dx.doi.org/10.14569/IJACSA.2017.080148

@article{Asim2017,
title = {Community Detection in Networks using Node Attributes and Modularity},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2017.080148},
url = {http://dx.doi.org/10.14569/IJACSA.2017.080148},
year = {2017},
publisher = {The Science and Information Organization},
volume = {8},
number = {1},
author = {Yousra Asim and Rubina Ghazal and Wajeeha Naeem and Abdul Majeed and Basit Raza and Ahmad Kamran Malik}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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