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Posted to issues@flink.apache.org by "Greg Hogan (JIRA)" <ji...@apache.org> on 2016/06/28 19:27:57 UTC

[jira] [Created] (FLINK-4129) HITSAlgorithm should test for element-wise convergence

Greg Hogan created FLINK-4129:
---------------------------------

             Summary: HITSAlgorithm should test for element-wise convergence
                 Key: FLINK-4129
                 URL: https://issues.apache.org/jira/browse/FLINK-4129
             Project: Flink
          Issue Type: Bug
          Components: Gelly
    Affects Versions: 1.1.0
            Reporter: Greg Hogan
            Priority: Minor


{{HITSAlgorithm}} tests for convergence by summing the difference of each authority score minus the average score. This is simply comparing the sum of scores against the previous sum of scores which is not a good test for convergence.

{code}
// count the diff value of sum of authority scores
diffSumAggregator.aggregate(previousAuthAverage - newAuthorityValue.getValue());
{code}



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