@inproceedings{FDG-2009-ZagalLJ,
	author        = "José Pablo Zagal and Amanda Ladd and Terris Johnson",
	booktitle     = "{Proceedings of the Fourth International Conference on Foundations of Digital Games}",
	doi           = "10.1145/1536513.1536553",
	isbn          = "978-1-60558-437-9",
	pages         = "215--222",
	publisher     = "{ACM}",
	title         = "{Characterizing and understanding game reviews}",
	year          = 2009,
}