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https://issues.apache.org/jira/browse/NUTCH-2147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lewis John McGibbney updated NUTCH-2147:
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Description:
This issue originally started by envisioning an implementation of a
LanguagePreferenceScoringFilter so that Nutch could easily be made into a
directed crawler based on crawl administrator ranking preferences of languages
we wish to crawl.
Right now this is not possible.
We already detect and index language within the language-identifier plugin as
well as within parse-tika irrc, however currently the presence of a language
does not effect scoring of pages.
The scope of this issue has changed to make it more generally applicable for a
wider variety of use cases. This will therefore take advantage of NUTCH-1980 by
pulling (amongst other things) Language entries from the CrawlDB Metadata.
was:
Based on the implementation of a LanguagePreferenceScoringFilter Nutch could
easily be made into a directed crawler based on crawl administrator ranking
preferences of languages we wish to crawl.
Right now this is not possible.
We already detect and index language within the language-identifier plugin as
well as within parse-tika irrc, however currently the presence of a language
does not effect scoring of pages.
> MetadataScoringFilter for Nutch
> -------------------------------
>
> Key: NUTCH-2147
> URL: https://issues.apache.org/jira/browse/NUTCH-2147
> Project: Nutch
> Issue Type: New Feature
> Components: plugin, scoring
> Affects Versions: 1.10
> Reporter: Lewis John McGibbney
> Assignee: Lewis John McGibbney
> Fix For: 1.12
>
>
> This issue originally started by envisioning an implementation of a
> LanguagePreferenceScoringFilter so that Nutch could easily be made into a
> directed crawler based on crawl administrator ranking preferences of
> languages we wish to crawl.
> Right now this is not possible.
> We already detect and index language within the language-identifier plugin as
> well as within parse-tika irrc, however currently the presence of a language
> does not effect scoring of pages.
> The scope of this issue has changed to make it more generally applicable for
> a wider variety of use cases. This will therefore take advantage of
> NUTCH-1980 by pulling (amongst other things) Language entries from the
> CrawlDB Metadata.
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