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From "Vasia Kalavri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3879) Native implementation of HITS algorithm
Date Mon, 09 May 2016 08:29:12 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15276102#comment-15276102

Vasia Kalavri commented on FLINK-3879:

Hey [~greghogan], [~gallenvara_bg],
what's the plan with this issue and FLINK-2044? We now have 2 JIRAs and 2 implementations
for the same algorithm.
Is the intention to only keep one or both? Do they provide substantially different functionality?

> Native implementation of HITS algorithm
> ---------------------------------------
>                 Key: FLINK-3879
>                 URL: https://issues.apache.org/jira/browse/FLINK-3879
>             Project: Flink
>          Issue Type: New Feature
>          Components: Gelly
>    Affects Versions: 1.1.0
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>             Fix For: 1.1.0
> Hyperlink-Induced Topic Search (HITS, also "hubs and authorities") is presented in [0]
and described in [1].
> "[HITS] is a very popular and effective algorithm to rank documents based on the link
information among a set of documents. The algorithm presumes that a good hub is a document
that points to many others, and a good authority is a document that many documents point to."
> This implementation differs from FLINK-2044 by providing for convergence, outputting
both hub and authority scores, and completing in half the number of iterations.
> [0] http://www.cs.cornell.edu/home/kleinber/auth.pdf
> [1] https://en.wikipedia.org/wiki/HITS_algorithm

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