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https://issues.apache.org/jira/browse/FLINK-3898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15280260#comment-15280260
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Vasia Kalavri commented on FLINK-3898:
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I guess we can close FLINK-2310 as a duplicate? I know that nobody is working
on it.
> Adamic-Adar Similarity
> ----------------------
>
> Key: FLINK-3898
> URL: https://issues.apache.org/jira/browse/FLINK-3898
> Project: Flink
> Issue Type: New Feature
> Components: Gelly
> Affects Versions: 1.1.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
>
> The implementation of Adamic-Adar Similarity [0] is very close to Jaccard
> Similarity. Whereas Jaccard Similarity counts common neighbors, Adamic-Adar
> Similarity sums the inverse logarithm of the degree of common neighbors.
> Consideration will be given to the computation of the inverse logarithm, in
> particular whether to pre-compute a small array of values.
> [0] http://social.cs.uiuc.edu/class/cs591kgk/friendsadamic.pdf
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