@conference {huang2010query,
	title = {Query model refinement using word graphs},
	booktitle = {Proceedings of the 19th ACM international conference on Information and knowledge management},
	year = {2010},
	pages = {1453{\textendash}1456},
	publisher = {ACM},
	organization = {ACM},
	author = {Huang, Yunping and Sun, Le and Jian-Yun Nie}
}
