Chongqed.org - Fighting wiki spam
   A creative response devised to beat one particular spammer at his own game.
   http://chongqed.org/fightback.html

CommunityWiki: WikiSpam
   Discussion of how to fight wikispam.
   http://www.communitywiki.org/cw?WikiSpam

Meatball Wiki: WikiSpam
   Article discussing causes of WikiSpam and possible solutions.
   http://www.usemod.com/cgi-bin/mb.pl?WikiSpam

Wikipedia - Wikispam
   Covers two types of wikispam: advertisements masquerading as articles, and wide-scale external link spamming.
   http://en.wikipedia.org/wiki/Wikipedia:Spam

c2.com - Wikispam
   Information about ongoing issues with and responses to wikispam.
   http://c2.com/cgi/wiki?WikiSpam