@inproceedings {4668,
	title = {Overview of the TREC 2006 Question Answering Track 99},
	booktitle = {Text Retrieval Conference (TREC)},
	year = {2006},
	url = {http://trec.nist.gov/pubs/trec15/papers/QA06.OVERVIEW.pdf},
	author = {Hoa Trang Dang and Jimmy Lin and Diane Kelly}
}
