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Posted to issues@flink.apache.org by "Vasia Kalavri (JIRA)" <ji...@apache.org> on 2015/06/24 17:22:04 UTC

[jira] [Assigned] (FLINK-2271) PageRank gives wrong results with weighted graph input

     [ https://issues.apache.org/jira/browse/FLINK-2271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vasia Kalavri reassigned FLINK-2271:
------------------------------------

    Assignee: Vasia Kalavri

> PageRank gives wrong results with weighted graph input
> ------------------------------------------------------
>
>                 Key: FLINK-2271
>                 URL: https://issues.apache.org/jira/browse/FLINK-2271
>             Project: Flink
>          Issue Type: Bug
>          Components: Gelly
>    Affects Versions: 0.9
>            Reporter: Vasia Kalavri
>            Assignee: Vasia Kalavri
>             Fix For: 0.10
>
>
> The current implementation of the PageRank algorithm expects a weighted edge list as input. However, if the edge weight is other than 1.0, this will result in wrong results.
> We should change the library method and corresponding examples (also GSAPageRank) to expect an unweighted graph and compute the transition probabilities correctly.



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