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Posted to dev@nutch.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2006/05/13 02:58:09 UTC

[jira] Closed: (NUTCH-240) Scoring API: extension point, scoring filters and an OPIC plugin

     [ http://issues.apache.org/jira/browse/NUTCH-240?page=all ]
     
Andrzej Bialecki  closed NUTCH-240:
-----------------------------------

    Fix Version: 0.8-dev
     Resolution: Fixed

Patches applied. Any further API improvements are welcome, the current API is less than ideal but allows experimenting with various scoring strategies, which is IMHO more important at this moment than API purity.

> Scoring API: extension point, scoring filters and an OPIC plugin
> ----------------------------------------------------------------
>
>          Key: NUTCH-240
>          URL: http://issues.apache.org/jira/browse/NUTCH-240
>      Project: Nutch
>         Type: Improvement

>     Versions: 0.8-dev
>     Reporter: Andrzej Bialecki 
>     Assignee: Andrzej Bialecki 
>      Fix For: 0.8-dev
>  Attachments: Generator.patch.txt, patch.txt, patch1.txt, patch2.txt
>
> This patch refactors all places where Nutch manipulates page scores, into a plugin-based API. Using this API it's possible to implement different scoring algorithms. It is also much easier to understand how scoring works.
> Multiple scoring plugins can be run in sequence, in a manner similar to URLFilters.
> Included is also an OPICScoringFilter plugin, which contains the current implementation of the scoring algorithm. Together with the scoring API it provides a fully backward-compatible scoring.

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