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Statistical similarity measures for link prediction in heterogeneous complex networks

Hadi Shakibian and Nasrollah Moghadam Charkari

Physica A: Statistical Mechanics and its Applications, 2018, vol. 501, issue C, 248-263

Abstract: The majority of the link prediction measures in heterogeneous complex networks rely on the nodes connectivities while less attention has been paid to the importance of the nodes and paths. In this paper, we propose some new meta-path based statistical similarity measures to properly perform link prediction task. The main idea in the proposed measures is to drive some co-occurrence events in a number of co-occurrence matrices that are occurred between the visited nodes obeying a meta-path. The extracted co-occurrence matrices are analyzed in terms of the energy, inertia, local homogeneity, correlation, and information measure of correlation to determine various information theoretic measures. We evaluate the proposed measures, denoted as link energy, link inertia, link local homogeneity, link correlation, and link information measure of correlation, using a standard DBLP network data set. The results of the AUC score and Precision rate indicate the validity and accuracy of the proposed measures in comparison to the popular meta-path based similarity measures.

Keywords: Heterogeneous complex networks; Link prediction; Co-occurrence matrix; Meta-path (search for similar items in EconPapers)
Date: 2018
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Handle: RePEc:eee:phsmap:v:501:y:2018:i:c:p:248-263