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Posted to issues@spark.apache.org by "Eshwar S R (JIRA)" <ji...@apache.org> on 2019/03/27 17:39:00 UTC

[jira] [Created] (SPARK-27295) Provision to provide initial values for each source node in personalised page rank - Graphx

Eshwar S R created SPARK-27295:
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             Summary: Provision to provide initial values for each source node in personalised page rank - Graphx
                 Key: SPARK-27295
                 URL: https://issues.apache.org/jira/browse/SPARK-27295
             Project: Spark
          Issue Type: Improvement
          Components: GraphX
    Affects Versions: 2.4.0
            Reporter: Eshwar S R


The present implementation of parallel personalized page rank algorithm takes only node ids as the starting nodes for algorithm. And then it assigns initial value of 1.0 to all those source nodes.

But the user might also be interested in specifying the initial values for each node. 

I have done the required very small modification to the existing code to achieve this. I thought it might help lot more people if I share it here, hence raising a PR for the same.



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