@inproceedings {4160,
	title = {Question Answering by Passage Selection (MultiText Experiments For Trec-9)},
	booktitle = {Text Retrieval Conference (TREC)},
	year = {2000},
	url = {http://trec.nist.gov/pubs/trec9/papers/mt9.pdf},
	author = {Charles Clarke and Gordon Cormack and D. I. E. Kisman and Thomas R. Lynam}
}
