@conference {Cui_02:Probabilistic,
	title = {Probabilistic Query Expansion Using Query Logs},
	booktitle = {WWW?02, Honolulu, Hawaii, USA},
	year = {2002},
	month = {may},
	author = {Hang Cui and Ji-Rong Wen and Jian-Yun Nie and Wei-Ying Ma}
}
