Sun, Hanlin, JIE, WEI ORCID: https://orcid.org/0000-0002-5392-0009, Loo, Jonathan ORCID: https://orcid.org/0000-0002-2197-8126 and Chen, Liang (2021) Network representation learning enhanced by partial community information that is found using game theory. Information, 12 (5). p. 186.

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Abstract

Presently, data that are collected from real systems and organized as information networks are universal. Mining hidden information from these data is generally helpful to understand and benefit the corresponding systems. The challenges of analyzing such data include high computational complexity and low parallelizability because of the nature of complicated interconnected structure of their nodes. Network representation learning, also called network embedding, provides a practical and promising way to solve these issues. One of the foremost requirements of network embedding is preserving network topology properties in learned low-dimension representations. Community structure is a prominent characteristic of complex networks and thus should be well maintained. However, the difficulty lies in the fact that the properties of community structure are multivariate and complicated; therefore, it is insufficient to model community structure using a predefined model, the way that is popular in most state-of-the-art network embedding algorithms explicitly considering community structure preservation. In this paper, we introduce a multi-process parallel framework for network embedding that is enhanced by found partial community information and can preserve community properties well. We also implement the framework and propose two node embedding methods that use game theory for detecting partial community information. A series of experiments are conducted to evaluate the performance of our methods and six state-of-the-art algorithms. The results demonstrate that our methods can effectively preserve community properties of networks in their low-dimension representations. Specifically, compared to the involved baselines, our algorithms behave the best and are the runners-up on networks with high overlapping diversity and density.

Item Type:	Article
Identifier:	10.3390/info12050186
Additional Information:	Gold OA
Keywords:	network representation learning; network embedding; partial community structure; ego-net analysis; game theory; multi-label classification
Subjects:	Computing
Depositing User:	WEI JIE
Date Deposited:	29 Aug 2021 11:29
Last Modified:	04 Nov 2024 11:24
URI:	https://repository.uwl.ac.uk/id/eprint/8201

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