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While browsing Stack Overflow, I noticed that I lost a lot of reputation:

http://img97.imageshack.us/img97/6452/downvoteparty.jpg

Is this serial downvoting? Will it be corrected by a rep-recalculation? How often are those done?


Here's a second instance:

http://img8.imageshack.us/img8/4480/downvoteparty2.jpg

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marked as duplicate by George Stocker May 8 '13 at 14:04

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

4  
"Who cares." Your opponent or whatever can only do this once anyway, so its not really a big deal. –  bobobobo Jan 23 '11 at 22:14
58  
that sucks... who did you piss off? Give the guy his rep back! –  RSolberg Apr 26 '11 at 21:23
    
Is the time on the left how long ago you asked the question? If so, how do you ask 9 questions in 2 minutes? –  Jimmy Aug 5 '11 at 2:06
7  
Nope, that's when I was downvoted –  Nathan Campos Aug 5 '11 at 2:08
1  
@Nathan: superweak –  Jimmy Aug 5 '11 at 2:25

3 Answers 3

up vote 154 down vote accepted

That's serial downvoting.

There are three ways to fix it:

  1. Do NOTHING. The daily vote anomaly script will pick it up and your rep will be recalculated automatically.
  2. If after 36 hours (give the script time to run) you still see a problem, then flag one of your posts and ask a moderator to look into the anomalous voting patterns.
  3. If it still hasn't been corrected, contact the SE team via the "contact us" link at the bottom of any page on the site.
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1  
I've been looking this up because there's a guy who's been obsessively e-stalking me, and attacking/insulting me on various sites. He is a pest. and I just discovered he has an SO account. I'm thinking it's only a matter of time before he discovers I'm on this network and starts serial downvoting me. What can I do to prevent a potential attack from him? Is it possible to block people on SE? Can I put him on a "moderator watch list" or something? I don't want to publish this as a question, because I'm afraid he's going to see it in the feed and discover my presence. Not sure what to do. –  B1KMusic May 21 at 17:13

If it was serial down-voting it should be spotted, and corrected, by the automatic processes that run.

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Addressing a specific concern expressed in a duplicate question - note that based on details of a particular incident that involved serial voting, it is most likely that vote reversal script uses some data about prior abuse.

In other words, the guy who serially voted you once, will have harder time trying it next time, even if they vote less.

In the incident mentioned above, vote reversal script has been caught at cancelling a "series" of 2 (t-w-o) votes. The only feasible explanation for this is that script somehow took into account that suspected votes came from someone previously caught at abusive voting at the same "target poster".

Screen shot below shows a sequence of vote reversals that are likely done at "script time" 03:00.

http://i.stack.imgur.com/o1kqF.jpg

My reading for the data shown at screen shot is as follows. There's +4 entry revealing that reversal has been done for at least two users. And since total amount of votes reversed is (4+2+2+2)/2=5, this means that at least one of reversals has been done for a user who voted less than 3 times.

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9  
nice, and i think the one more logic need to add in to script that if same activity(upvote/downote) came from previous caught user, then user should not be able to do upvote/downvote on the affected account in future. –  Lucifer Aug 22 '12 at 13:49

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