@inproceedings{HIMI-IKD-2015-MorizumiA,
	author        = "Ryota Morizumi and Yumi Asahi",
	booktitle     = "{Proceedings of the 17th International Conference on Human Interface and the Management of Information. Part I: Information and Knowledge Design}",
	doi           = "10.1007/978-3-319-20612-7_60",
	isbn          = "978-3-319-20611-0",
	pages         = "640--647",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Analysis Using Purchasing Data in Japan}",
	volume        = 9172,
	year          = 2015,
}