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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1633) Add getTriplets() Gelly method
Date Thu, 12 Mar 2015 11:16:39 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14358513#comment-14358513

ASF GitHub Bot commented on FLINK-1633:

Github user vasia commented on the pull request:

    Thanks for implementing this @andralungu!
    I have added some inline comments.
    Also, we are definitely missing documentation and an example using the method. 
    I would suggest something simple, like weighting an input graph, by computing the euclidean
distance of the src/vertex values for each edge and attaching this value as the edge weight.
    What do you think?

> Add getTriplets() Gelly method
> ------------------------------
>                 Key: FLINK-1633
>                 URL: https://issues.apache.org/jira/browse/FLINK-1633
>             Project: Flink
>          Issue Type: New Feature
>          Components: Gelly
>    Affects Versions: 0.9
>            Reporter: Vasia Kalavri
>            Assignee: Andra Lungu
>            Priority: Minor
>              Labels: starter
> In some graph algorithms, it is required to access the graph edges together with the
vertex values of the source and target vertices. For example, several graph weighting schemes
compute some kind of similarity weights for edges, based on the attributes of the source and
target vertices. This issue proposes adding a convenience Gelly method that generates a DataSet
of <srcVertex, Edge, TrgVertex> triplets from the input graph.

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