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https://issues.apache.org/jira/browse/NUTCH-518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12513821
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Doğacan Güney commented on NUTCH-518:
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This is another alternative. I am not suggesting that we use it but just to put
it on the table:
* Remove initial score argument from indexerScore and generatorSortValue.
* Change ScoringFilters.java to collect scores from different ScoringFilter-s.
* Calculate their geometric mean.
This approach is far more aggressive. It is like a logical AND. With geometric
mean a page is 'important' pretty much only if *all* scoring filters decide
that it is important. I really like this approach, but it won't work for people
who want to give a high score to pages with certain content even if the page
itself has no inlinks (for this case, addition would have worked very well).
> 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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