@inproceedings {4172,
	title = {Interactive Substring Retrieval (MultiText Experiments for TREC-5)},
	booktitle = {Text Retrieval Conference (TREC)},
	year = {1996},
	url = {http://trec.nist.gov/pubs/trec5/papers/waterloo.ps.gz},
	author = {Charles Clarke and Gordon Cormack}
}
