Comment Spammers: Internet Pigs and How They Feed
http://vaspersthegrate.blogspot.com/2004/10/comment-spammers-internet-pigs-and-how.html

Streight, Steven
Blogger.com
2004

Abstract:

Comment spam is irrelevant, unethical, or unwanted commercial-oriented message propagation on comment posting pages of blogs and web sites. Comment spam is invading every interactive and community building aspect of the internet and web. What you need to do to protect yourself and to stop this attack by "internet pigs."