@INPROCEEDINGS {
	AUTHOR = "Nelson Baloian and Jos{\'e} A. Pino and Jens Hardings and H. Ulrich Hoppe",
	TITLE = "Monitoring Student Activities with a Querying System over Electronic Worksheets",
	BOOKTITLE = "20th Collaboration Researchers' International Workshop on Groupware (CRIWG)",
	PAGES = "38-52",
	MONTH = "Sep",
	YEAR = "2014",
	ADDRESS = "Santiago, Chile",
	PUBLISHER = "Springer-Verlag",
	SERIES ="Lecture Notes in Computer Science",
	NUMBER = "8658",
	ISBN = "978-3-319-10165-1",
	}