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CX2: Adjust thresholds for unmodified content warnings
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Description

When users do not edit enough the initially provided content (from machine translation or copying the original) a warning is shown (T190279). Currently the warning is shown when unmodified content exceeds 75%. Our recent observations (T207831) show that it is possible to have perfectly reviewed paragraphs that still have 76-77% of unmodified text when using MT (frequently resulting in false positives); while much heavier modifications are needed when using the source content as a staring point.

We may want to adjust these thresholds in the following way:

  • For paragraphs started with MT, show the warning when the unmodified content is higher than 80%
  • For paragraphs started by copying the source text, show the warning when unmodified content is higher than 60%.

A separate ticket is in charge of adjustments about when to better shown these warnings (T200683), which can affect the visibility of false positives too.

Event Timeline

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptDec 12 2018, 12:22 PM
Pginer-WMF triaged this task as Normal priority.Dec 12 2018, 12:23 PM
Pginer-WMF raised the priority of this task from Normal to High.Dec 28 2018, 11:37 AM

Change 482520 had a related patch set uploaded (by Petar.petkovic; owner: Petar.petkovic):
[mediawiki/extensions/ContentTranslation@master] Adjust thresholds for unmodified content warnings

https://gerrit.wikimedia.org/r/482520

Change 482520 merged by jenkins-bot:
[mediawiki/extensions/ContentTranslation@master] Adjust thresholds for unmodified content warnings

https://gerrit.wikimedia.org/r/482520