@inproceedings{HCI-IT-2015-YamamotoYS,
	author        = "Rie Yamamoto and Takashi Yoshino and Noboru Sonehara",
	booktitle     = "{Proceedings of the 17th International Conference on Human-Computer Interaction. Part II: Interaction Technologies}",
	doi           = "10.1007/978-3-319-20916-6_60",
	isbn          = "978-3-319-20915-9",
	pages         = "649--659",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Gamification Effect of Collection System for Digital Photographs with Geographic Information which Utilizes Land Acquisition Game}",
	volume        = 9170,
	year          = 2015,
}