@inproceedings{SIGMOD-2014-ShiMWC,
	author        = "Jieming Shi and Nikos Mamoulis and Dingming Wu and David W. Cheung",
	booktitle     = "{Proceedings of the 32nd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/2588555.2610497",
	isbn          = "978-1-4503-2376-5",
	pages         = "99--110",
	publisher     = "{ACM}",
	title         = "{Density-based place clustering in geo-social networks}",
	year          = 2014,
}