@conference {Wen_01:Query,
	title = {Query Clustering Using Content Words and User Feedback},
	booktitle = {24th ACM-SIGIR, New Orleans},
	year = {2001},
	month = {sep},
	pages = {442-443},
	pdf = {http://rali.iro.umontreal.ca/rali/sites/default/files/publis/ACMTOIS2002.pdf},
	author = {J. Wen and Jian-Yun Nie and H. Zhang}
}
