https://bugzilla.wikimedia.org/show_bug.cgi?id=42284

       Web browser: ---
             Bug #: 42284
           Summary: More abuse filters:
           Product: MediaWiki extensions
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: Unprioritized
         Component: ArticleFeedbackv5
        AssignedTo: [email protected]
        ReportedBy: [email protected]
                CC: [email protected]
    Classification: Unclassified
   Mobile Platform: ---


Implement new abuse filters to discourage more questionable comments:

* Repeating characters
Disallow posts where the same character is 5 times or more in a row.
See this edit filter #135, which could be adapted for this feedback filter:
https://en.wikipedia.org/wiki/Special:AbuseFilter/135

* No punctuation 
Disallow comments that have no commas, periods, colons, question marks or
exclamation marks -- often a telltale sign of irrelevant contributions,
according to Stack Overflow founder Jeff Anderson. 

* Shouting
Give a warning when most of the comment is ALL CAPS (or 90% of chars.), which
is usually a telltale sign of questionable feedback. This filter was
implemented in April 2012 as filter #458, but disabled by King of Hearts -- and
repurposed for short posts by Sole Shoe in August. I recommend we start a new
feedback filter for this function, but implement it as a Warning (not Disallow)
-- and only for posts that are at least 90% all-caps. FF

* More bad words
We should be able to filter out more offensive words than the small list we now
disallow. I can do more research in coming days and email a larger list to our
developer, rather than posting these swear words here.

As a result, I hope we can filter more irrelevant posts than we do now (about
10% of total feedback is now filtered through this tool, and it may be possible
to increase that number with a few more reliable filters).

Read more about abuse filter for article feedback on our feature requirements
page:
http://www.mediawiki.org/wiki/Article_feedback/Version_5/Feature_Requirements#Abuse.2FSpam_Filters

See also the proposed filters in the 'Under consideration' section of this
abuse filter spreadsheet:
https://docs.google.com/a/wikimedia.org/spreadsheet/ccc?key=0AiGAdIp7VYlbdDdKUm9naXhxOXVweWZ5YkU3Wk5lSlE#gid=0

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