@inproceedings{CHI-2015-XuFTI,
	author        = "Pengfei Xu and Hongbo Fu and Chiew-Lan Tai and Takeo Igarashi",
	booktitle     = "{Proceedings of the 33rd ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/2702123.2702198",
	isbn          = "978-1-4503-3145-6",
	pages         = "2787--2795",
	publisher     = "{ACM}",
	title         = "{GACA: Group-Aware Command-based Arrangement of Graphic Elements}",
	year          = 2015,
}