@inproceedings{ mei.2014.asonam,
                author          = "Mei, S. and Li, H. and Fan, J. and Zhu, X. and Dyer, C. R.",
		title           = "Inferring air pollution by sniffing social media",
		booktitle       = "Proc. 2014 IEEE/ACM Int. Conf. on Advances in Social Networks Analysis and Mining",
		year            = 2014 }