@inproceedings {4228,
	title = {TREC 2005 Spam Track Overview},
	booktitle = {Text Retrieval Conference (TREC)},
	year = {2005},
	url = {http://trec.nist.gov/pubs/trec14/papers/SPAM.OVERVIEW.pdf},
	author = {Gordon Cormack and Thomas R. Lynam}
}
