A lot of the questions you guys are asking can be answered by reading Tolero's post about the reputation system here:
http://forums.ddo.com/announcement.php?f=228&a=21
Available in English, French, and German.

Quote Originally Posted by DarkAlchemist View Post
I was instructed to report my undue negative rep via the exclamation mark and I have but I was wondering how long it takes until Turbine acts upon it?
Negative reputation disputes, when reported correctly, usually get resolved within a day.