@article {3511,
	title = {Relevance Ranking for One to Three Term Queries},
	journal = {Information Processing and Management},
	volume = {36},
	year = {2000},
	pages = {291--311},
	doi = {10.1016/S0306-4573(99)00017-5},
	author = {Charles Clarke and Gordon Cormack and Elizabeth A. Tudhope}
}
