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https://issues.apache.org/jira/browse/SDAP-52?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lewis John McGibbney updated SDAP-52:
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Resolution: Fixed
Status: Done (was: To Do)
> Improve ranking speed
> ---------------------
>
> Key: SDAP-52
> URL: https://issues.apache.org/jira/browse/SDAP-52
> Project: Apache Science Data Analytics Platform
> Issue Type: Improvement
> Components: mudrod
> Reporter: Yongyao Jiang
> Assignee: Yongyao Jiang
> Priority: Minor
>
> The time complexity of the current machine learning algorithm O(n2) because
> the order of some items are not transitive and using collection.sort directly
> would cause an "comparison method violates it general contract" error. Needs
> to improve it to O(N*logN).
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