@inproceedings {4204,
	title = {University of Waterloo at TREC 2011 Microblog Track},
	booktitle = {Text Retrieval Conference (TREC)},
	year = {2011},
	url = {http://trec.nist.gov/pubs/trec20/papers/waterloo.microblog.update.pdf},
	author = {Adam Roegiest and Gordon Cormack}
}
