@inproceedings{SIGMOD-2009-LiuMBJILG,
	author        = "Mengmeng Liu and Svilen R. Mihaylov and Zhuowei Bao and Marie Jacob and Zachary G. Ives and Boon Thau Loo and Sudipto Guha",
	booktitle     = "{Proceedings of the 27th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1559845.1559996",
	isbn          = "978-1-60558-551-2",
	pages         = "1111--1114",
	publisher     = "{ACM}",
	title         = "{SmartCIS: integrating digital and physical environments}",
	year          = 2009,
}