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From Jan Høydahl (JIRA) <j...@apache.org>
Subject [jira] Commented: (TIKA-568) Language Detection isReasonablyCertain() hides valuable information
Date Sun, 05 Dec 2010 15:24:11 GMT

    [ https://issues.apache.org/jira/browse/TIKA-568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12966969#action_12966969
] 

Jan Høydahl commented on TIKA-568:
----------------------------------

This will help short-term by giving user better control over the threshold. But it will still
be an absolute "internal" value with its own problems - very hard to tune it so that it works
well for general purpose.

Long term, TIKA-369 and TIKA-496 should be solved, allowing us to compute a more reliable
measure of how certain a classification is.

> Language Detection isReasonablyCertain() hides valuable information
> -------------------------------------------------------------------
>
>                 Key: TIKA-568
>                 URL: https://issues.apache.org/jira/browse/TIKA-568
>             Project: Tika
>          Issue Type: Improvement
>            Reporter: Grant Ingersoll
>            Priority: Minor
>         Attachments: TIKA-568.patch
>
>
> LanguageIdentifier.isReasonablyCertain() hardcodes a threshold for language detection,
which is fine, except applications should be allowed to decide what threshold suits them.
 For instance, how was 0.022 decided?

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