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https://issues.apache.org/jira/browse/NUTCH-518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrzej Bialecki  reopened NUTCH-518:
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This one was too quick, I think ... I wanted to discuss the issue whether the 
chaining process should use multiplication or addition. I'm not entirely sure 
the multiplication is the right choice - if one of preceding filters returns 0, 
OPICScoringFilter has no chance to affect that decision.

> Fix OpicScoringFilter to respect scoring filter chaining
> --------------------------------------------------------
>
>                 Key: NUTCH-518
>                 URL: https://issues.apache.org/jira/browse/NUTCH-518
>             Project: Nutch
>          Issue Type: Bug
>          Components: indexer
>    Affects Versions: 1.0.0
>            Reporter: Enis Soztutar
>            Assignee: Doğacan Güney
>             Fix For: 1.0.0
>
>         Attachments: opicScoring.chain.patch
>
>
> Opic Scoring returns the score that it calculates, rather than returning 
> previous_score * calculated_score. This prevents using another scoring filter 
> along with Opic scoring. 

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