@article {3503,
	title = {Efficient and Effective Spam Filtering and Re-Ranking for Large Web Datasets},
	journal = {ArXiv},
	volume = {abs/1004.5168},
	year = {2010},
	url = {http://arxiv.org/abs/1004.5168},
	author = {Gordon Cormack and Mark Smucker and Charles Clarke}
}
