@inproceedings {4222,
	title = {Batch and Online Spam Filter Comparison},
	booktitle = {International Conference on Email and Anti-Spam (CEAS)},
	year = {2006},
	url = {http://www.ceas.cc/2006/listabs.html$\#$12.pdf},
	author = {Gordon Cormack and Andrej Bratko}
}
