@conference {G_07:Using,
	title = {Using Markov Chains to Exploit Word Relationships in Information Retrieval},
	booktitle = {RIAO},
	year = {2007},
	pdf = {http://rali.iro.umontreal.ca/rali/sites/default/files/publis/p388-cao.pdf},
	author = {Guihong Cao and Jian-Yun Nie and Jing Bai}
}
