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Clique percolation method: memory efficient almost exact communities

Abstract : Automatic detection of relevant groups of nodes in large real-world graphs, i.e. community detection, has applications in many fields and has received a lot of attention in the last twenty years. The most popular method designed to find overlapping communities (where a node can belong to several communities) is perhaps the clique percolation method (CPM). This method formalizes the notion of community as a maximal union of $k$-cliques that can be reached from each other through a series of adjacent $k$-cliques, where two cliques are adjacent if and only if they overlap on $k-1$ nodes. Despite much effort CPM has not been scalable to large graphs for medium values of $k$. Recent work has shown that it is possible to efficiently list all $k$-cliques in very large real-world graphs for medium values of $k$. We build on top of this work and scale up CPM. In cases where this first algorithm faces memory limitations, we propose another algorithm, CPMZ, that provides a solution close to the exact one, using more time but less memory.
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Contributor : Sergey Kirgizov Connect in order to contact the contributor
Submitted on : Tuesday, October 5, 2021 - 8:33:04 AM
Last modification on : Wednesday, March 16, 2022 - 3:44:10 AM

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  • HAL Id : hal-03364855, version 1
  • ARXIV : 2110.01213


Alexis Baudin, Maximilien Danisch, Sergey Kirgizov, Clémence Magnien, Marwan Ghanem. Clique percolation method: memory efficient almost exact communities. The 17th International Conference on Advanced Data Mining and Applications (ADMA), Feb 2022, Syndey, Australia. ⟨hal-03364855⟩



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