@conference {li_document_2012,
	title = {Document Re-ranking Using Partial Social Tagging},
	booktitle = {Web Intelligence and Intelligent Agent Technology (WI-IAT), 2012 IEEE/WIC/ACM International Conferences},
	volume = {1},
	year = {2012},
	pages = {274{\textendash}281},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Li, Peng and Jian-Yun Nie and Wang, Bin and He, Jing}
}
