@inproceedings{SIGMOD-2015-GuoCC,
	author        = "Tao Guo and Xin Cao and Gao Cong",
	booktitle     = "{Proceedings of the 33rd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/2723372.2723723",
	isbn          = "978-1-4503-2758-9",
	pages         = "405--418",
	publisher     = "{ACM}",
	title         = "{Efficient Algorithms for Answering the m-Closest Keywords Query}",
	year          = 2015,
}