Spam related CFP

The CEAS 2008 Spam Filter Challenge (August 5th -- August 8th, 2008) is a competition which most interesting side is that it will be "live", that is, filters will be tested in parallel on a real world message stream, following TREC procedures. The CFP for the CEAS conference is closed.

Besides, the program and papers for the Fourth International Workshop on Adversarial Information Retrieval on the Web (AIRWEB 2008) are available. There are several "must read" for a content classification fan like me:

And of course, the results of the Web Spam Challenge!