Identifying and exploiting homogeneous communities in labeled networks

Attribute-aware community discovery aims to find well-connected communities that are also homogeneous w.r.t. the labels carried by the nodes. In this work, we address such a challenging task presenting EVA, an algorithmic approach designed to maximize a quality function tailoring both structural and homophilic clustering criteria. We evaluate EVA on several real-world labeled networks carrying both nominal and ordinal information, and we compare our approach to other classic and attribute-aware algorithms. Our results suggest that EVA is the only method, among the compared ones, able to discover homogeneous clusters without considerably degrading partition modularity. We also investigate two well-defined applicative scenarios to characterize better EVA: i) the clustering of a mental lexicon, i.e., a linguistic network modeling human semantic memory, and ii) the node label prediction task, namely the problem of inferring the missing label of a node.

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Additional Info
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Author Citraro, Salvatore [email protected]
Author Rossetti, Giulio [email protected]
DOI https://doi.org/10.1007/s41109-020-00302-1
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Publisher Applied Network Science, Springer Open
Source Applied Network Science volume 5, Article number 55 (2020)
Thematic Cluster Web Analytics [WA]
system:type JournalArticle
Management Info
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Author Wright Joanna
Maintainer Giulio Rossetti
Version 1
Last Updated 18 March 2021, 04:50 (CET)
Created 4 February 2021, 00:54 (CET)