@conference {bouchoucha_diversified_2013,
	title = {Diversified query expansion using conceptnet},
	booktitle = {Proceedings of the 22nd ACM international conference on Conference on information \& knowledge management},
	year = {2013},
	pages = {1861{\textendash}1864},
	url = {http://dl.acm.org/citation.cfm?id=2507881},
	author = {Bouchoucha, Arbi and He, Jing and Jian-Yun Nie}
}
