@inproceedings{SIGMOD-1998-AdamY,
	author        = "Nabil R. Adam and Yelena Yesha",
	booktitle     = "{Proceedings of the 28th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD98/P498.PDF",
	doi           = "10.1145/276304.276350",
	isbn          = "0-89791-995-5",
	pages         = "498",
	publisher     = "{ACM Press}",
	title         = "{Electronic Commerce: Tutorial}",
	year          = 1998,
}