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Personalized PageRank with Node-Dependent Restart

Abstract : Personalized PageRank is an algorithm to classify the importance of web pages on a user-dependent basis. We introduce two generalizations of Personalized PageRank with node-dependent restart. The first generalization is based on the proportion of visits to nodes before the restart, whereas the second generalization is based on the proportion of time a node is visited just before the restart. In the original case of constant restart probability, the two measures coincide. We discuss interesting particular cases of restart probabilities and restart distributions. We show that both generalizations of Personalized PageRank have an elegant expression connecting the so-called direct and reverse Personalized PageRanks that yield a symmetry property of these Personalized PageRanks.
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Contributor : Konstantin Avrachenkov Connect in order to contact the contributor
Submitted on : Wednesday, December 17, 2014 - 11:34:20 AM
Last modification on : Thursday, January 20, 2022 - 5:27:38 PM

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Konstantin Avrachenkov, Remco van Der Hofstad, Marina Sokol. Personalized PageRank with Node-Dependent Restart. 11th Workshop on Algorithms and Models for the Web Graph (WAW 2014), Dec 2014, Beijing, China. pp.23-33, ⟨10.1007/978-3-319-13123-8_3⟩. ⟨hal-01096328⟩



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