A Swap-Based Heuristic Algorithm for the Maximum k-Plex Problem

Sun Yuan Hsieh; Shih Shun Kao; Yu Sheng Lin

doi:10.1109/ACCESS.2019.2934470

A Swap-Based Heuristic Algorithm for the Maximum k-Plex Problem

Sun Yuan Hsieh, Shih Shun Kao, Yu Sheng Lin

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The maximum k-plex problem is intended to relax the clique definition with maximum cardinality. It helps people understand the structures of networks by considering them a problem of graph clustering; therefore, it is a useful model for social network analysis. In this paper, we propose a swap-based heuristic algorithm for the maximum k-plex problem. Starting with a randomly selected solution, we use three types of swap operators to enlarge our current solution in different situations. The results of experiments conducted on various graphs from two benchmarks demonstrated that our proposed algorithm achieved desirable performance on specific graphs compared with other algorithms.

Original language	English
Article number	8794502
Pages (from-to)	110267-110278
Number of pages	12
Journal	IEEE Access
Volume	7
DOIs	https://doi.org/10.1109/ACCESS.2019.2934470
Publication status	Published - 2019

All Science Journal Classification (ASJC) codes

Computer Science(all)
Materials Science(all)
Engineering(all)

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10.1109/ACCESS.2019.2934470

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AB - The maximum k-plex problem is intended to relax the clique definition with maximum cardinality. It helps people understand the structures of networks by considering them a problem of graph clustering; therefore, it is a useful model for social network analysis. In this paper, we propose a swap-based heuristic algorithm for the maximum k-plex problem. Starting with a randomly selected solution, we use three types of swap operators to enlarge our current solution in different situations. The results of experiments conducted on various graphs from two benchmarks demonstrated that our proposed algorithm achieved desirable performance on specific graphs compared with other algorithms.

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A Swap-Based Heuristic Algorithm for the Maximum k-Plex Problem

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