Mean field analysis of Personalized PageRank with implications for local graph clustering

Konstantin Avrachenkov, Arun Kadavankandy, Nelly Litvak

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

We analyse a mean-field model of Personalized PageRank (PPR) on the Erdős–Rényi (ER) random graph containing a denser planted ER subgraph. We investigate the regimes where the values of PPR concentrate around the mean-field value. We also study the optimization of the damping factor, the only parameter in PPR. Our theoretical results help to understand the applicability of PPR and its limitations for local graph clustering.

Original languageEnglish
Pages (from-to)895-916
Number of pages22
JournalJournal of Statistical Physics
Volume173
Issue number3-4
DOIs
Publication statusPublished - 1 Nov 2018

Keywords

  • Concentration
  • Local graph clustering
  • Mean field
  • Personalized PageRank

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