[jira] [Commented] (TIKA-568) Language Detection isReasonablyCertain() hides valuable information

["Ken Krugler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TIKA-568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14729414#comment-14729414 ] 

Ken Krugler commented on TIKA-568:
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The new LanguageDetector API has a getRawScore() call on the result, which will return a value from 1.0 (certain match) down to (but not including) 0.0 (no match).

> Language Detection isReasonablyCertain() hides valuable information
> -------------------------------------------------------------------
>
>                 Key: TIKA-568
>                 URL: https://issues.apache.org/jira/browse/TIKA-568
>             Project: Tika
>          Issue Type: Improvement
>          Components: languageidentifier
>            Reporter: Grant Ingersoll
>            Assignee: Ken Krugler
>            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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