Abstract
The role of a node in complex networks is the aggregation of structural features and functions. Role discovery is the field of mining the proper roles, and many methods have been proposed. Those methods mainly focus on discovering a single role for each node. However, in real-world networks, a node may have multiple roles. Therefore, we propose a multiple-role discovery framework by extending the single-role discovery framework. Furthermore, we also suggest a way to assign sub-networks divided by community extraction methods to the source network and the validation network to select pre-labeling nodes, which is a significant challenge for multiple-role discovery in real-world networks. To evaluate the accuracy of the proposed method, we conduct computational experiments for multiple-role discovery of the real-world Wikipedia network and Blogcatalog network. We show that the proposed method achieves higher accuracy and more stable results than conventional methods used for comparison.
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Liu, S., Toriumi, F., Nishiguchi, M., Usui, S. (2022). Multiple Role Discovery in Complex Networks. In: Benito, R.M., Cherifi, C., Cherifi, H., Moro, E., Rocha, L.M., Sales-Pardo, M. (eds) Complex Networks & Their Applications X. COMPLEX NETWORKS 2021. Studies in Computational Intelligence, vol 1073. Springer, Cham. https://doi.org/10.1007/978-3-030-93413-2_35
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DOI: https://doi.org/10.1007/978-3-030-93413-2_35
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