@inproceedings{ICEIS-v4-2011-LiuT11a,
	author        = "Manlu Liu and Qiang Tu",
	booktitle     = "{Proceedings of the 13th International Conference on Enterprise Information Systems, Volume 4}",
	isbn          = "978-989-8425-56-0",
	pages         = "419--424",
	publisher     = "{SciTePress}",
	title         = "{Community-based Open Source — The Phenomenon and Research Opportunities}",
	year          = 2011,
}