A MODEL FOR MULTI-LAYER DYNAMIC SOCIAL NETWORKS TO DISCOVER INFLUENTIAL GROUPS BASED ON A COMBINATION OF META-HEURISTIC ALGORITHM AND C-MEANS CLUSTERING

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Volume 5 (1), June 2022, Pages 72-86

Lida Naderlou¹ and Zahra Tayyebi Qasabeh²

¹ Non-profit Higher Education Institutions Roozbeh Zanjan Branch, Zanjan, Iran.  This email address is being protected from spambots. You need JavaScript enabled to view it.

² Payame Noor University of Guilan, Iran.  This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

Science and technology are proliferating, and complex networks have become a necessity in our daily life, so separating people from complex networks built on the fundamental needs of human life is almost impossible. This research presented a multi-layer dynamic social networks model to discover influential groups based on a developing frog-leaping algorithm and C-means clustering. We collected the data in the first step. Then, we conducted data cleansing and normalization to identify influential individuals and groups using the optimal data by forming a decision matrix. Hence, we used the matrix to identify and cluster (based on phase clustering) and determined each group’s importance. The frog-leaping algorithm was used to improve the identification of influence parameters, which led to improvement in node’s importance, to discover influential individuals and groups in social networks, In the measurement and simulation of clustering section, the proposed method was contrasted against the K-means method, and its equilibrium value in cluster selection resulted from 5. The proposed method presented a more genuine improvement compared to the other methods. However, measuring precision indicators for the proposed method had a 3.3 improvement compared to similar methods and a 3.8 improvement compared to the M-ALCD primary method. 

Keywords:

Multi-layer Dynamic Social Networks, Influential Groups, Meta-Heuristic Algorithm, C-means Clustering.

DOI: https://doi.org/10.32010/26166127.2022.5.1.72.86

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