@inbook {bouchoucha_towards_2015,
	title = {Towards Query Level Resource Weighting for Diversified Query Expansion},
	booktitle = {Advances in Information Retrieval},
	year = {2015},
	pages = {1{\textendash}12},
	publisher = {Springer International Publishing},
	organization = {Springer International Publishing},
	url = {http://link.springer.com/chapter/10.1007/978-3-319-16354-3_1},
	author = {Bouchoucha, Arbi and Liu, Xiaohua and Jian-Yun Nie}
}
