@ARTICLE {
	AUTHOR = "Pedro Antunes and Valeria Herskovic and Sergio Ochoa and Jos{\'e} A. Pino",
	TITLE ="Structuring Dimensions for Collaborative Systems Evaluation",
	JOURNAL = "ACM Computing Surveys (CSUR)",
	VOLUME = "44",
	NUMBER = "2",
	PAGES = "article 8",
	MONTH = "Feb",
	YEAR = "2012",
	PUBLISHER = "ACM Press",
	ADDRESS = "New York, NY, USA",
	ISSN = "0360-0300"
	}