@inproceedings{SIGMOD-2003-GotoK,
	author        = "Koichi Goto and Yahiko Kambayashi",
	booktitle     = "{Proceedings of the 31st ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/872757.872837",
	isbn          = "1-58113-634-X",
	pages         = "642--646",
	publisher     = "{ACM}",
	title         = "{Integration of Electronic Tickets and Personal Guide System for Public Transport using Mobile Terminals}",
	year          = 2003,
}